octave-lyh: src/gl-render.cc annotate

annotate src/gl-render.cc @ 7954:3ffc34caec65

configure fixes

author	John W. Eaton <jwe@octave.org>
date	Mon, 21 Jul 2008 11:47:30 -0400
parents	4976f66d469b
children	22c078fd926b

rev	line source
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1 /*
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	3 Copyright (C) 2008 Michael Goffioul
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	4
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	5 This file is part of Octave.
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	6
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	8 under the terms of the GNU General Public License as published by the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	10 option) any later version.
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	11
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	15 for more details.
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	16
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	17 You should have received a copy of the GNU General Public License
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	18 along with Octave; see the file COPYING. If not, see
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	19 <http://www.gnu.org/licenses/>.
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	20
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	21 */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	22
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	23 #ifdef HAVE_CONFIG_H
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	24 #include <config.h>
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	25 #endif
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	26
7954 3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	27 #if defined (HAVE_OPENGL)
3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	28
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	29 #include <lo-mappers.h>
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	30 #include "gl-render.h"
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	31
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	32 #define LIGHT_MODE GL_FRONT_AND_BACK
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	33
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	34 // Win32 API requires the CALLBACK attributes for
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	35 // GLU callback functions. Define it to empty on
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	36 // other platforms.
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	37 #ifndef CALLBACK
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	38 #define CALLBACK
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	39 #endif
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	40
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	41 enum {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	42 AXE_ANY_DIR = 0,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	43 AXE_DEPTH_DIR = 1,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	44 AXE_HORZ_DIR = 2,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	45 AXE_VERT_DIR = 3
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	46 };
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	47
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	48 static octave_idx_type
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	49 xmin (octave_idx_type x, octave_idx_type y)
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	50 {
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	51 return x < y ? x : y;
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	52 }
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	53
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	54 class
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	55 opengl_texture
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	56 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	57 protected:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	58 class texture_rep
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	59 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	60 public:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	61 texture_rep (void) : valid (false), count (1) { }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	62
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	63 texture_rep (GLuint _id, int _w, int _h, int _tw, int _th)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	64 : id (_id), w (_w), h (_h), tw (_tw), th (_th),
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	65 tx (double(w)/tw), ty (double(h)/th), valid (true),
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	66 count (1) { }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	67
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	68 ~texture_rep (void)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	69 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	70 if (valid)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	71 glDeleteTextures (1, &id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	72 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	73
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	74 void bind (int mode) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	75 { if (valid) glBindTexture (mode, id); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	76
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	77 void tex_coord (double q, double r) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	78 { if (valid) glTexCoord2d (qtx, rty); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	79
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	80 GLuint id;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	81 int w, h;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	82 int tw, th;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	83 double tx, ty;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	84 bool valid;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	85 int count;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	86 };
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	87
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	88 texture_rep *rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	89
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	90 private:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	91 opengl_texture (texture_rep *_rep) : rep (_rep) { }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	92
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	93 public:
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	94 opengl_texture (void) : rep (new texture_rep ()) { }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	95
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	96 opengl_texture (const opengl_texture& tx)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	97 : rep (tx.rep)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	98 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	99 rep->count++;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	100 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	101
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	102 ~opengl_texture (void)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	103 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	104 if (--rep->count == 0)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	105 delete rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	106 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	107
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	108 opengl_texture& operator = (const opengl_texture& tx)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	109 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	110 if (--rep->count == 0)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	111 delete rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	112
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	113 rep = tx.rep;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	114 rep->count++;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	115
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	116 return *this;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	117 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	118
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	119 static opengl_texture create (const octave_value& data);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	120
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	121 void bind (int mode = GL_TEXTURE_2D) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	122 { rep->bind (mode); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	123
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	124 void tex_coord (double q, double r) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	125 { rep->tex_coord (q, r); }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	126
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	127 bool is_valid (void) const
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	128 { return rep->valid; }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	129 };
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	130
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	131 static int
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	132 next_power_of_2 (int n)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	133 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	134 int m = 1;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	135
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	136 while (m < n && m < INT_MAX)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	137 m <<= 1;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	138
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	139 return m;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	140 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	141
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	142 opengl_texture
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	143 opengl_texture::create (const octave_value& data)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	144 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	145 opengl_texture retval;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	146
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	147 dim_vector dv (data.dims ());
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	148
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	149 // Expect RGB data
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	150 if (dv.length () == 3 && dv(2) == 3)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	151 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	152 int h = dv(0), w = dv(1), tw, th;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	153 GLuint id;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	154 bool ok = true;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	155
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	156 tw = next_power_of_2 (w);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	157 th = next_power_of_2 (w);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	158
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	159 glGenTextures (1, &id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	160 glBindTexture (GL_TEXTURE_2D, id);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	161
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	162 if (data.is_double_type ())
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	163 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	164 NDArray _a = data.array_value ();
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	165
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	166 OCTAVE_LOCAL_BUFFER (float, a, (3twth));
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	167
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	168 for (int i = 0; i < h; i++)
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	169 for (int j = 0, idx = itw3; j < w; j++, idx += 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	170 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	171 a[idx] = _a(i,j,0);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	172 a[idx+1] = _a(i,j,1);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	173 a[idx+2] = _a(i,j,2);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	174 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	175
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	176 glTexImage2D (GL_TEXTURE_2D, 0, 3, tw, th, 0,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	177 GL_RGB, GL_FLOAT, a);
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	178 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	179 else if (data.is_uint8_type ())
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	180 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	181 uint8NDArray _a = data.uint8_array_value ();
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	182
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	183 OCTAVE_LOCAL_BUFFER (octave_uint8, a, (3twth));
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	184
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	185 for (int i = 0; i < h; i++)
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	186 for (int j = 0, idx = itw3; j < w; j++, idx += 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	187 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	188 a[idx] = _a(i,j,0);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	189 a[idx+1] = _a(i,j,1);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	190 a[idx+2] = _a(i,j,2);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	191 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	192
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	193 glTexImage2D (GL_TEXTURE_2D, 0, 3, tw, th, 0,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	194 GL_RGB, GL_UNSIGNED_BYTE, a);
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	195 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	196 else
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	197 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	198 ok = false;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	199 warning ("opengl_texture::create: invalid texture data type (expected double or uint8)");
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	200 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	201
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	202 if (ok)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	203 {
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	204 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	205 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	206
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	207 if (glGetError () != GL_NO_ERROR)
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	208 warning ("opengl_texture::create: OpenGL error while generating texture data");
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	209 else
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	210 retval = opengl_texture (new texture_rep (id, w, h, tw, th));
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	211 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	212 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	213 else
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	214 warning ("opengl_texture::create: invalid texture data size");
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	215
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	216 return retval;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	217 }
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	218
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	219 class
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	220 opengl_tesselator
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	221 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	222 public:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	223 typedef void (CALLBACK *fcn) (void);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	224
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	225 public:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	226
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	227 opengl_tesselator (void) : glu_tess (0) { init (); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	228
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	229 virtual ~opengl_tesselator (void)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	230 { if (glu_tess) gluDeleteTess (glu_tess); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	231
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	232 void begin_polygon (bool filled = true)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	233 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	234 gluTessProperty (glu_tess, GLU_TESS_BOUNDARY_ONLY,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	235 (filled ? GL_FALSE : GL_TRUE));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	236 fill = filled;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	237 gluTessBeginPolygon (glu_tess, this);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	238 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	239
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	240 void end_polygon (void) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	241 { gluTessEndPolygon (glu_tess); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	242
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	243 void begin_contour (void) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	244 { gluTessBeginContour (glu_tess); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	245
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	246 void end_contour (void) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	247 { gluTessEndContour (glu_tess); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	248
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	249 void add_vertex (double loc, void data) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	250 { gluTessVertex (glu_tess, loc, data); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	251
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	252 protected:
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	253 virtual void begin (GLenum /type/) { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	254
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	255 virtual void end (void) { }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	256
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	257 virtual void vertex (void /data*/) { }
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	258
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	259 virtual void combine (GLdouble /c/[3], void /data*/[4],
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	260 GLfloat /w/[4], void */out_data*/) { }
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	261
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	262 virtual void edge_flag (GLboolean /flag/) { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	263
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	264 virtual void error (GLenum err)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	265 { ::error ("OpenGL tesselation error (%d)", err); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	266
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	267 virtual void init (void)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	268 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	269 glu_tess = gluNewTess ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	270
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	271 gluTessCallback (glu_tess, GLU_TESS_BEGIN_DATA,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	272 reinterpret_cast<fcn> (tess_begin));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	273 gluTessCallback (glu_tess, GLU_TESS_END_DATA,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	274 reinterpret_cast<fcn> (tess_end));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	275 gluTessCallback (glu_tess, GLU_TESS_VERTEX_DATA,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	276 reinterpret_cast<fcn> (tess_vertex));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	277 gluTessCallback (glu_tess, GLU_TESS_COMBINE_DATA,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	278 reinterpret_cast<fcn> (tess_combine));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	279 gluTessCallback (glu_tess, GLU_TESS_EDGE_FLAG_DATA,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	280 reinterpret_cast<fcn> (tess_edge_flag));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	281 gluTessCallback (glu_tess, GLU_TESS_ERROR_DATA,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	282 reinterpret_cast<fcn> (tess_error));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	283 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	284
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	285 bool is_filled (void) const { return fill; }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	286
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	287 private:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	288 static void CALLBACK tess_begin (GLenum type, void *t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	289 { reinterpret_cast<opengl_tesselator *> (t)->begin (type); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	290
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	291 static void CALLBACK tess_end (void *t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	292 { reinterpret_cast<opengl_tesselator *> (t)->end (); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	293
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	294 static void CALLBACK tess_vertex (void v, void t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	295 { reinterpret_cast<opengl_tesselator *> (t)->vertex (v); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	296
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	297 static void CALLBACK tess_combine (GLdouble c[3], void *v[4], GLfloat w[4],
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	298 void *out, void t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	299 { reinterpret_cast<opengl_tesselator *> (t)->combine (c, v, w, out); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	300
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	301 static void CALLBACK tess_edge_flag (GLboolean flag, void *t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	302 { reinterpret_cast<opengl_tesselator *> (t)->edge_flag (flag); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	303
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	304 static void CALLBACK tess_error (GLenum err, void *t)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	305 { reinterpret_cast<opengl_tesselator *> (t)->error (err); }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	306
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	307 private:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	308 GLUtesselator *glu_tess;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	309 bool fill;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	310 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	311
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	312 class
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	313 vertex_data
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	314 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	315 public:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	316 class vertex_data_rep
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	317 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	318 public:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	319 Matrix coords;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	320 Matrix color;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	321 Matrix normal;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	322 double alpha;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	323 float ambient;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	324 float diffuse;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	325 float specular;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	326 float specular_exp;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	327
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	328 // reference counter
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	329 int count;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	330
7904 1fddd9b8e862 Fix nil_rep reference counting in gl-render.cc::vertex_data internal class John W. Eaton <jwe@octave.org> parents: 7874 diff changeset	331 vertex_data_rep (void) : count (1) { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	332
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	333 vertex_data_rep (const Matrix& c, const Matrix& col, const Matrix& n,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	334 double a, float as, float ds, float ss, float se)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	335 : coords (c), color (col), normal (n), alpha (a),
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	336 ambient (as), diffuse (ds), specular (ss), specular_exp (se),
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	337 count (1) { }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	338 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	339
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	340 private:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	341 vertex_data_rep *rep;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	342
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	343 vertex_data_rep *nil_rep (void) const
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	344 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	345 static vertex_data_rep *nr = new vertex_data_rep ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	346
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	347 return nr;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	348 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	349
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	350 public:
7904 1fddd9b8e862 Fix nil_rep reference counting in gl-render.cc::vertex_data internal class John W. Eaton <jwe@octave.org> parents: 7874 diff changeset	351 vertex_data (void) : rep (nil_rep ())
1fddd9b8e862 Fix nil_rep reference counting in gl-render.cc::vertex_data internal class John W. Eaton <jwe@octave.org> parents: 7874 diff changeset	352 { rep->count++; }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	353
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	354 vertex_data (const vertex_data& v) : rep (v.rep)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	355 { rep->count++; }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	356
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	357 vertex_data (const Matrix& c, const Matrix& col, const Matrix& n,
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	358 double a, float as, float ds, float ss, float se)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	359 : rep (new vertex_data_rep (c, col, n, a, as, ds, ss, se))
7904 1fddd9b8e862 Fix nil_rep reference counting in gl-render.cc::vertex_data internal class John W. Eaton <jwe@octave.org> parents: 7874 diff changeset	360 { }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	361
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	362 vertex_data (vertex_data_rep *new_rep)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	363 : rep (new_rep) { }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	364
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	365 ~vertex_data (void)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	366 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	367 if (--rep->count == 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	368 delete rep;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	369 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	370
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	371 vertex_data& operator = (const vertex_data& v)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	372 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	373 if (--rep->count == 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	374 delete rep;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	375
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	376 rep = v.rep;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	377 rep->count++;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	378
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	379 return *this;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	380 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	381
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	382 vertex_data_rep *get_rep (void) const { return rep; }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	383 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	384
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	385 class
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	386 opengl_renderer::patch_tesselator : public opengl_tesselator
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	387 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	388 public:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	389 patch_tesselator (opengl_renderer *r, int cmode, int lmode, int idx = 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	390 : opengl_tesselator (), renderer (r),
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	391 color_mode (cmode), light_mode (lmode), index (idx),
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	392 first (true) { }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	393
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	394 protected:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	395 void begin (GLenum type)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	396 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	397 //printf("patch_tesselator::begin (%d)\n", type);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	398 first = true;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	399
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	400 if (color_mode == 2 \|\| light_mode == 2)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	401 glShadeModel (GL_SMOOTH);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	402 else
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	403 glShadeModel (GL_FLAT);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	404
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	405 if (is_filled ())
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	406 renderer->set_polygon_offset (true, 1+index);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	407
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	408 glBegin (type);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	409 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	410
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	411 void end (void)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	412 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	413 //printf("patch_tesselator::end\n");
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	414 glEnd ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	415 renderer->set_polygon_offset (false);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	416 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	417
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	418 void vertex (void *data)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	419 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	420 vertex_data::vertex_data_rep *v
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	421 = reinterpret_cast<vertex_data::vertex_data_rep *> (data);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	422 //printf("patch_tesselator::vertex (%g, %g, %g)\n", v->coords(0), v->coords(1), v->coords(2));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	423
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	424 // FIXME: why did I need to keep the first vertex of the face
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	425 // in JHandles? I think it's related to the fact that the
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	426 // tessellation process might re-order the vertices, such that
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	427 // the first one you get here might not be the first one of the face;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	428 // but I can't figure out the actual reason.
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	429 if (color_mode > 0 && (first \|\| color_mode == 2))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	430 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	431 Matrix col = v->color;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	432
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	433 if (col.numel () == 3)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	434 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	435 glColor3dv (col.data ());
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	436 if (light_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	437 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	438 float buf[4] = { 0, 0, 0, 1 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	439
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	440 for (int k = 0; k < 3; k++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	441 buf[k] = (v->ambient * col(k));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	442 glMaterialfv (LIGHT_MODE, GL_AMBIENT, buf);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	443
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	444 for (int k = 0; k < 3; k++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	445 buf[k] = (v->diffuse * col(k));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	446 glMaterialfv (LIGHT_MODE, GL_AMBIENT, buf);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	447 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	448 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	449 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	450
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	451 if (light_mode > 0 && (first \|\| light_mode == 2))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	452 glNormal3dv (v->normal.data ());
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	453
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	454 glVertex3dv (v->coords.data ());
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	455
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	456 first = false;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	457 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	458
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	459 void combine (GLdouble xyz[3], void *data[4], GLfloat w[4],
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	460 void **out_data)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	461 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	462 //printf("patch_tesselator::combine\n");
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	463
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	464 vertex_data::vertex_data_rep *v[4];
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	465 int vmax = 4;
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	466
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	467 for (int i = 0; i < 4; i++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	468 {
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	469 v[i] = reinterpret_cast<vertex_data::vertex_data_rep *> (data[i]);
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	470
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	471 if (vmax == 4 && ! v[i])
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	472 vmax = i;
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	473 }
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	474
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	475 Matrix vv (1, 3, 0.0);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	476 Matrix cc;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	477 Matrix nn (1, 3, 0.0);
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	478 double aa = 0.0;
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	479
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	480 vv(0) = xyz[0];
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	481 vv(1) = xyz[1];
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	482 vv(2) = xyz[2];
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	483
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	484 if (v[0]->color.numel ())
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	485 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	486 cc.resize (1, 3, 0.0);
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	487 for (int ic = 0; ic < 3; ic++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	488 for (int iv = 0; iv < vmax; iv++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	489 cc(ic) += (w[iv] * v[iv]->color(ic));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	490 }
7837 57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	491
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	492 if (v[0]->normal.numel () > 0)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	493 {
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	494 for (int in = 0; in < 3; in++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	495 for (int iv = 0; iv < vmax; iv++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	496 nn(in) += (w[iv] * v[iv]->normal(in));
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	497 }
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	498
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	499 for (int iv = 0; iv < vmax; iv++)
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	500 aa += (w[iv] * v[iv]->alpha);
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	501
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	502 vertex_data new_v (vv, cc, nn, aa, v[0]->ambient, v[0]->diffuse,
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	503 v[0]->specular, v[0]->specular_exp);
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	504 tmp_vdata.push_back (new_v);
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	505
57095ca98533 Make OpenGL tessellation combine callback robust against NULL vertex data. Michael Goffioul <michael.goffioul@gmail.com> parents: 7834 diff changeset	506 *out_data = new_v.get_rep ();
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	507 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	508
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	509 private:
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	510 opengl_renderer *renderer;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	511 int color_mode; // 0: uni, 1: flat, 2: interp
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	512 int light_mode; // 0: none, 1: flat, 2: gouraud
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	513 int index;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	514 bool first;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	515 std::list<vertex_data> tmp_vdata;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	516 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	517
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	518 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	519 opengl_renderer::draw (const graphics_object& go)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	520 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	521 if (! go.valid_object ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	522 return;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	523
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	524 const base_properties& props = go.get_properties ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	525
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	526 if (go.isa ("figure"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	527 draw (dynamic_cast<const figure::properties&> (props));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	528 else if (go.isa ("axes"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	529 draw (dynamic_cast<const axes::properties&> (props));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	530 else if (go.isa ("line"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	531 draw (dynamic_cast<const line::properties&> (props));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	532 else if (go.isa ("surface"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	533 draw (dynamic_cast<const surface::properties&> (props));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	534 else if (go.isa ("patch"))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	535 draw (dynamic_cast<const patch::properties&> (props));
7866 35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	536 else if (go.isa ("hggroup"))
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	537 draw (dynamic_cast<const hggroup::properties&> (props));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	538 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	539 warning ("opengl_renderer: cannot render object of type `%s'",
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	540 props.graphics_object_name ().c_str ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	541 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	542
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	543 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	544 opengl_renderer::draw (const figure::properties& props)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	545 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	546 backend = props.get_backend ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	547
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	548 // Initialize OpenGL context
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	549
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	550 glEnable (GL_DEPTH_TEST);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	551 glDepthFunc (GL_LEQUAL);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	552 glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	553 glEnable (GL_NORMALIZE);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	554
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	555 if (props.is___enhanced__ ())
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	556 {
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	557 glEnable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	558 glEnable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	559 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	560 else
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	561 {
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	562 glDisable (GL_BLEND);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	563 glDisable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	564 }
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	565
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	566 // Clear background
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	567
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	568 Matrix c = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	569
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	570 if (c.length() >= 3)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	571 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	572 glClearColor (c(0), c(1), c(2), 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	573 glClear (GL_COLOR_BUFFER_BIT \| GL_DEPTH_BUFFER_BIT);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	574 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	575
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	576 // Draw children
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	577
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	578 draw (props.get_children ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	579 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	580
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	581 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	582 opengl_renderer::draw (const axes::properties& props)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	583 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	584 // setup OpenGL transformation
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	585
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	586 Matrix x_zlim = props.get_transform_zlim ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	587 Matrix x_mat1 = props.get_opengl_matrix_1 ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	588 Matrix x_mat2 = props.get_opengl_matrix_2 ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	589
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	590 xZ1 = x_zlim(0)-(x_zlim(1)-x_zlim(0))/2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	591 xZ2 = x_zlim(1)+(x_zlim(1)-x_zlim(0))/2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	592
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	593 int vw[4];
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	594 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	595
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	596 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	597 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	598 glScaled(1, 1, -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	599 glMultMatrixd (x_mat1.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	600 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	601 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	602 glOrtho (0, vw[2], vw[3], 0, xZ1, xZ2);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	603 glMultMatrixd (x_mat2.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	604 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	605
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	606 glClear (GL_DEPTH_BUFFER_BIT);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	607
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	608 // store axes transformation data
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	609
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	610 xform = props.get_transform ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	611
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	612 // draw axes object
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	613
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	614 GLboolean antialias;
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	615 glGetBooleanv (GL_LINE_SMOOTH, &antialias);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	616 glDisable (GL_LINE_SMOOTH);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	617
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	618 Matrix xlim = xform.xscale (props.get_xlim ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	619 Matrix ylim = xform.yscale (props.get_ylim ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	620 Matrix zlim = xform.zscale (props.get_zlim ().matrix_value ());
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	621 double x_min = xlim(0), x_max = xlim(1);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	622 double y_min = ylim(0), y_max = ylim(1);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	623 double z_min = zlim(0), z_max = zlim(1);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	624
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	625 double xd = (props.xdir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	626 double yd = (props.ydir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	627 double zd = (props.zdir_is ("normal") ? 1 : -1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	628
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	629 ColumnVector p1, p2, xv (3), yv (3), zv (3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	630 int xstate, ystate, zstate;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	631
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	632 xstate = ystate = zstate = AXE_ANY_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	633
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	634 p1 = xform.transform (x_min, (y_min+y_max)/2, (z_min+z_max)/2, false);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	635 p2 = xform.transform (x_max, (y_min+y_max)/2, (z_min+z_max)/2, false);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	636 xv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	637 xv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	638 xv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	639 if (xv(0) == 0 && xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	640 xstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	641 else if (xv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	642 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	643 if (xv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	644 xstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	645 else if (xv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	646 xstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	647 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	648 double xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	649 if (xv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	650 if (xv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	651 xPlane = (xv(0) > 0 ? x_max : x_min);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	652 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	653 xPlane = (xv(1) < 0 ? x_max : x_min);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	654 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	655 xPlane = (xv(2) < 0 ? x_min : x_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	656 double xPlaneN = (xPlane == x_min ? x_max : x_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	657 double fx = (x_max-x_min)/sqrt(xv(0)xv(0)+xv(1)xv(1));
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	658
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	659 p1 = xform.transform ((x_min+x_max)/2, y_min, (z_min+z_max)/2, false);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	660 p2 = xform.transform ((x_min+x_max)/2, y_max, (z_min+z_max)/2, false);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	661 yv(0) = xround (p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	662 yv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	663 yv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	664 if (yv(0) == 0 && yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	665 ystate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	666 else if (yv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	667 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	668 if (yv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	669 ystate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	670 else if (yv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	671 ystate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	672 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	673 double yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	674 if (yv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	675 if (yv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	676 yPlane = (yv(0) > 0 ? y_max : y_min);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	677 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	678 yPlane = (yv(1) < 0 ? y_max : y_min);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	679 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	680 yPlane = (yv(2) < 0 ? y_min : y_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	681 double yPlaneN = (yPlane == y_min ? y_max : y_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	682 double fy = (y_max-y_min)/sqrt(yv(0)yv(0)+yv(1)yv(1));
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	683
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	684 p1 = xform.transform((x_min+x_max)/2, (y_min+y_max)/2, z_min, false);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	685 p2 = xform.transform((x_min+x_max)/2, (y_min+y_max)/2, z_max, false);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	686 zv(0) = xround(p2(0)-p1(0));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	687 zv(1) = xround (p2(1)-p1(1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	688 zv(2) = (p2(2)-p1(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	689 if (zv(0) == 0 && zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	690 zstate = AXE_DEPTH_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	691 else if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	692 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	693 if (zv(0) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	694 zstate = AXE_VERT_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	695 else if (zv(1) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	696 zstate = AXE_HORZ_DIR;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	697 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	698 double zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	699 if (zv(2) == 0)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	700 if (zv(1) == 0)
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	701 zPlane = (zv(0) > 0 ? z_min : z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	702 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	703 zPlane = (zv(1) < 0 ? z_min : z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	704 else
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	705 zPlane = (zv(2) < 0 ? z_min : z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	706 double zPlaneN = (zPlane == z_min ? z_max : z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	707 double fz = (z_max-z_min)/sqrt(zv(0)zv(0)+zv(1)zv(1));
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	708
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	709 bool mode2d = (((xstate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	710 (ystate > AXE_DEPTH_DIR ? 1 : 0) +
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	711 (zstate > AXE_DEPTH_DIR ? 1 : 0)) == 2);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	712 if (props.tickdirmode_is ("auto"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	713 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	714 // FIXME: tickdir should be updated (code below comes
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	715 // from JHandles)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	716 //autoMode++;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	717 //TickDir.set(mode2d ? "in" : "out", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	718 //autoMode--;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	719 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	720
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	721 // FIXME: use ticklength property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	722 double xticklen = 7, yticklen = 7, zticklen = 7;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	723
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	724 //double tickdir = (props.tickdir_is ("in") ? -1 : 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	725 double tickdir = (props.tickdirmode_is ("auto") ?
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	726 (mode2d ? -1 : 1) :
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	727 (props.tickdir_is ("in") ? -1 : 1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	728 double xtickoffset = (mode2d && tickdir < 0 ? 0 : xticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	729 double ytickoffset = (mode2d && tickdir < 0 ? 0 : yticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	730 double ztickoffset = (mode2d && tickdir < 0 ? 0 : zticklen) + 5;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	731
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	732 bool xySym = (xdyd(xPlane-xPlaneN)*(yPlane-yPlaneN) > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	733 bool x2Dtop = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	734 bool y2Dright = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	735 double zpTick = zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	736
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	737 /* 2D mode */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	738 if (xstate == AXE_HORZ_DIR && ystate == AXE_VERT_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	739 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	740 if (props.xaxislocation_is ("top"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	741 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	742 double tmp = yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	743 yPlane = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	744 yPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	745 x2Dtop = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	746 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	747 if (props.yaxislocation_is ("right"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	748 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	749 double tmp = xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	750 xPlane = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	751 xPlaneN = tmp;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	752 y2Dright = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	753 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	754 if (props.layer_is ("top"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	755 zpTick = zPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	756 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	757
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	758 Matrix axe_color = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	759 bool visible = props.is_visible ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	760 bool box = props.is_box ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	761
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	762 // Axes planes
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	763
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	764 if (axe_color.numel () > 0 && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	765 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	766 set_color (axe_color);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	767 set_polygon_offset (true, 2.5);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	768
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	769 glBegin (GL_QUADS);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	770
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	771 // X plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	772 glVertex3d (xPlane, y_min, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	773 glVertex3d (xPlane, y_max, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	774 glVertex3d (xPlane, y_max, z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	775 glVertex3d (xPlane, y_min, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	776
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	777 // Y plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	778 glVertex3d (x_min, yPlane, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	779 glVertex3d (x_max, yPlane, z_min);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	780 glVertex3d (x_max, yPlane, z_max);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	781 glVertex3d (x_min, yPlane, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	782
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	783 // Z plane
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	784 glVertex3d (x_min, y_min, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	785 glVertex3d (x_max, y_min, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	786 glVertex3d (x_max, y_max, zPlane);
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	787 glVertex3d (x_min, y_max, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	788
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	789 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	790
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	791 set_polygon_offset (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	792 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	793
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	794 // Axes box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	795
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	796 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	797 set_linewidth (props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	798
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	799 if (visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	800 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	801 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	802
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	803 // X box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	804 set_color (props.get_xcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	805 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	806 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	807 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	808 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	809 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	810 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	811 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	812 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	813 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	814 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	815 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	816
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	817 // Y box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	818 set_color (props.get_ycolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	819 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	820 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	821 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	822 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	823 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	824 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	825 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	826 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	827 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	828 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	829 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	830
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	831 // Z box
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	832 set_color (props.get_zcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	833 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	834 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	835 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	836 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	837 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	838 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	839 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	840 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	841 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	842 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	843 if (box)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	844 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	845 glVertex3d (xPlane, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	846 glVertex3d (xPlane, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	847 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	848 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	849 glVertex3d (xPlane, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	850 glVertex3d (xPlane, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	851 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	852 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	853 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	854 glVertex3d (xPlaneN, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	855 glVertex3d (xPlaneN, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	856 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	857 glVertex3d (xPlaneN, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	858 glVertex3d (xPlaneN, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	859 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	860
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	861 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	862 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	863
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	864 std::string gridstyle = props.get_gridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	865 std::string minorgridstyle = props.get_minorgridlinestyle ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	866
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	867 // X grid
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	868
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	869 if (visible && xstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	870 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	871 bool do_xgrid = (props.is_xgrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	872 bool do_xminorgrid = (props.is_xminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	873 bool do_xminortick = props.is_xminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	874 Matrix xticks = xform.xscale (props.get_xtick ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	875 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	876 Matrix xmticks;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	877 // FIXME: use xticklabels property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	878 string_vector xticklabels;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	879 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	880 bool tick_along_z = xisinf (fy);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	881 Matrix tickpos (xticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	882
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	883 set_color (props.get_xcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	884
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	885 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	886 if (do_xgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	887 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	888 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	889 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	890 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	891 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	892 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	893
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	894 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	895 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	896 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	897 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	898 glVertex3d (xval, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	899 glVertex3d (xval, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	900 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	901 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	902 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	903 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	904 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	905
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	906 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	907 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	908 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	909 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	910 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	911 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	912 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	913
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	914 glVertex3d (xval, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	915 glVertex3d (xval, yPlaneN, zPlane+signum(zPlane-zPlaneN)fzxticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	916 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	917 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	918 glVertex3d (xval, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	919 glVertex3d (xval, yPlaneN,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	920 zPlaneN+signum(zPlaneN-zPlane)fzxticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	921 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	922 tickpos(i,0) = xval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	923 tickpos(i,1) = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	924 tickpos(i,2) = zPlane+signum(zPlane-zPlaneN)fzxtickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	925 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	926 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	927 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	928 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	929 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	930 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	931 for (int i = 0; i < xticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	932 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	933 double xval = xticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	934
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	935 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	936 glVertex3d (xval, yPlaneN+signum(yPlaneN-yPlane)fyxticklen*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	937 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	938 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	939 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	940 glVertex3d (xval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	941 yPlane+signum(yPlane-yPlaneN)fyxticklen*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	942 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	943 tickpos(i,0) = xval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	944 tickpos(i,1) = yPlaneN+signum(yPlaneN-yPlane)fyxtickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	945 tickpos(i,2) = zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	946 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	947 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	948 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	949
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	950 // FIXME: tick texts
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	951
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	952 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	953 if (do_xminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	954 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	955 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	956 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	957 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	958 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	959 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	960
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	961 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	962 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	963 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	964 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	965 glVertex3d (xval, yPlane, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	966 glVertex3d (xval, yPlane, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	967 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	968 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	969 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	970 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	971 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	972
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	973 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	974 if (do_xminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	975 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	976 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	977 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	978 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	979 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	980 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	981 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	982
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	983 glVertex3d (xval, yPlaneN, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	984 glVertex3d (xval, yPlaneN,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	985 zPlane+signum(zPlane-zPlaneN)fzxticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	986 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	987 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	988 glVertex3d (xval, yPlaneN, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	989 glVertex3d (xval, yPlaneN,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	990 zPlaneN+signum(zPlaneN-zPlane)fzxticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	991 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	992 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	993 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	994 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	995 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	996 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	997 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	998 for (int i = 0; i < xmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	999 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1000 double xval = xmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1001
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1002 glVertex3d (xval, yPlaneN, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1003 glVertex3d (xval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1004 yPlaneN+signum(yPlaneN-yPlane)fyxticklen/2*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1005 if (box && xstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1006 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1007 glVertex3d (xval, yPlane, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1008 glVertex3d (xval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1009 yPlane+signum(yPlane-yPlaneN)fyxticklen/2*tickdir, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1010 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1011 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1012 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1013 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1014 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1015
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1016 text::properties& xlabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1017 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_xlabel ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1018
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1019 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1020 // label has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1021 if (! xlabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1022 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1023 xlabel_props.set_horizontalalignment (xstate > AXE_DEPTH_DIR ? "center" : (xySym ? "left" : "right"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1024 xlabel_props.set_verticalalignment (xstate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1025
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1026 double angle = 0;
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1027 ColumnVector p = graphics_xform::xform_vector ((x_min+x_max)/2, yPlaneN, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1028
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1029 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1030 p(2) += (signum(zPlane-zPlaneN)fzxtickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1031 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1032 p(1) += (signum(yPlaneN-yPlane)fyxtickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1033 p = xform.transform (p(0), p(1), p(2), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1034 switch (xstate)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1035 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1036 case AXE_ANY_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1037 p(0) += (xySym ? wmax : -wmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1038 p(1) += (zd*zv(2) <= 0 ? hmax : -hmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1039 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1040 case AXE_VERT_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1041 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1042 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1043 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1044 case AXE_HORZ_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1045 p(1) += hmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1046 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1047 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1048 p = xform.untransform (p(0), p(1), p(2), true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1049 xlabel_props.set_position (p.extract_n (0, 3).transpose ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1050 xlabel_props.set_rotation (angle);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1051 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1052 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1053
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1054 // Y grid
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1055
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1056 if (ystate != AXE_DEPTH_DIR && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1057 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1058 bool do_ygrid = (props.is_ygrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1059 bool do_yminorgrid = (props.is_yminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1060 bool do_yminortick = props.is_yminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1061 Matrix yticks = xform.yscale (props.get_ytick ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1062 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1063 Matrix ymticks;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1064 // FIXME: use yticklabels property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1065 string_vector yticklabels;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1066 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1067 bool tick_along_z = xisinf (fx);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1068 Matrix tickpos (yticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1069
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1070 set_color (props.get_ycolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1071
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1072 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1073 if (do_ygrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1074 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1075 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1076 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1077 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1078 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1079 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1080
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1081 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1082 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1083 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1084 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1085 glVertex3d (xPlane, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1086 glVertex3d (xPlane, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1087 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1088 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1089 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1090 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1091 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1092
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1093 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1094 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1095 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1096 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1097 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1098 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1099 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1100
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1101 glVertex3d (xPlaneN, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1102 glVertex3d (xPlaneN, yval, zPlane+signum(zPlane-zPlaneN)fzyticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1103 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1104 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1105 glVertex3d (xPlaneN, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1106 glVertex3d (xPlaneN, yval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1107 zPlaneN+signum(zPlaneN-zPlane)fzyticklen*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1108 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1109 tickpos(i,0) = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1110 tickpos(i,1) = yval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1111 tickpos(i,2) = zPlane+signum(zPlane-zPlaneN)fzytickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1112 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1113 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1114 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1115 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1116 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1117 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1118 for (int i = 0; i < yticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1119 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1120 double yval = yticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1121
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1122 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1123 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxyticklen*tickdir, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1124 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1125 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1126 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1127 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxyticklen*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1128 yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1129 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1130 tickpos(i,0) = xPlaneN+signum(xPlaneN-xPlane)fxytickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1131 tickpos(i,1) = yval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1132 tickpos(i,2) = zPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1133 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1134 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1135 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1136
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1137 // FIXME: tick texts
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1138
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1139 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1140 if (do_yminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1141 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1142 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1143 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1144 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1145 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1146 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1147
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1148 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1149 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1150 if (zstate != AXE_DEPTH_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1151 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1152 glVertex3d (xPlane, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1153 glVertex3d (xPlane, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1154 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1155 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1156 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1157 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1158 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1159
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1160 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1161 if (do_yminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1162 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1163 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1164 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1165 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1166 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1167 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1168 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1169
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1170 glVertex3d (xPlaneN, yval, zPlane);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1171 glVertex3d (xPlaneN, yval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1172 zPlane+signum(zPlane-zPlaneN)fzyticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1173 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1174 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1175 glVertex3d (xPlaneN, yval, zPlaneN);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1176 glVertex3d (xPlaneN, yval,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1177 zPlaneN+signum(zPlaneN-zPlane)fzyticklen/2*tickdir);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1178 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1179 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1180 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1181 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1182 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1183 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1184 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1185 for (int i = 0; i < ymticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1186 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1187 double yval = ymticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1188
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1189 glVertex3d (xPlaneN, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1190 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxyticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1191 yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1192 if (box && ystate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1193 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1194 glVertex3d (xPlane, yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1195 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxyticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1196 yval, zpTick);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1197 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1198 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1199 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1200 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1201 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1202
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1203 text::properties& ylabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1204 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_ylabel ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1205
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1206 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1207 // label has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1208 if (! ylabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1209 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1210 ylabel_props.set_horizontalalignment (ystate > AXE_DEPTH_DIR ? "center" : (!xySym ? "left" : "right"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1211 ylabel_props.set_verticalalignment (ystate == AXE_VERT_DIR ? "bottom" : (zd*zv(2) <= 0 ? "top" : "bottom"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1212
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1213 double angle = 0;
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1214 ColumnVector p = graphics_xform::xform_vector (xPlaneN, (y_min+y_max)/2, zPlane);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1215
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1216 if (tick_along_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1217 p(2) += (signum(zPlane-zPlaneN)fzytickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1218 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1219 p(0) += (signum(xPlaneN-xPlane)fxytickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1220 p = xform.transform (p(0), p(1), p(2), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1221 switch (ystate)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1222 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1223 case AXE_ANY_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1224 p(0) += (!xySym ? wmax : -wmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1225 p(1) += (zd*zv(2) <= 0 ? hmax : -hmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1226 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1227 case AXE_VERT_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1228 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1229 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1230 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1231 case AXE_HORZ_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1232 p(1) += hmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1233 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1234 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1235 p = xform.untransform(p(0), p(1), p(2), true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1236 ylabel_props.set_position (p.extract_n (0, 3).transpose ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1237 ylabel_props.set_rotation (angle);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1238 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1239 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1240
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1241 // Z Grid
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1242
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1243 if (zstate != AXE_DEPTH_DIR && visible)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1244 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1245 bool do_zgrid = (props.is_zgrid () && (gridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1246 bool do_zminorgrid = (props.is_zminorgrid () && (minorgridstyle != "none"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1247 bool do_zminortick = props.is_zminortick ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1248 Matrix zticks = xform.zscale (props.get_ztick ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1249 // FIXME: use pre-computed minor ticks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1250 Matrix zmticks;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1251 // FIXME: use zticklabels property
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1252 string_vector zticklabels;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1253 int wmax = 0, hmax = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1254 Matrix tickpos (zticks.numel (), 3);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1255
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1256 set_color (props.get_zcolor_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1257
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1258 // grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1259 if (do_zgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1260 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1261 set_linestyle (gridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1262 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1263 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1264 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1265 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1266
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1267 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1268 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1269 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1270 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1271 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1272 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1273 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1274 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1275
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1276 // tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1277 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1278 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1279 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1280 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1281 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1282 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1283 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1284 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1285
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1286 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1287 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxzticklen*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1288 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1289 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1290 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1291 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1292 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1293 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1294 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1295 tickpos(i,0) = xPlaneN+signum(xPlaneN-xPlane)fxztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1296 tickpos(i,1) = yPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1297 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1298 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1299 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1300 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1301 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1302 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1303 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1304 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1305 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1306 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1307
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1308 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1309 glVertex3d (xPlaneN, yPlane+signum(yPlane-yPlaneN)fyzticklen*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1310 tickpos(i,0) = xPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1311 tickpos(i,1) = yPlane+signum(yPlane-yPlaneN)fyztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1312 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1313 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1314 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1315 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1316 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1317 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1318 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1319 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1320 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1321 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1322 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1323 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1324 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1325
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1326 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1327 glVertex3d (xPlane, yPlaneN+signum(yPlaneN-yPlane)fyzticklen*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1328 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1329 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1330 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1331 glVertex3d (xPlane, yPlane+signum(yPlane-yPlaneN)fyzticklen*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1332 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1333 tickpos(i,0) = xPlane;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1334 tickpos(i,1) = yPlaneN+signum(yPlaneN-yPlane)fyztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1335 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1336 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1337 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1338 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1339 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1340 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1341 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1342 for (int i = 0; i < zticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1343 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1344 double zval = zticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1345
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1346 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1347 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen*tickdir, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1348 tickpos(i,0) = xPlane+signum(xPlane-xPlaneN)fxztickoffset;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1349 tickpos(i,1) = yPlaneN;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1350 tickpos(i,2) = zval;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1351 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1352 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1353 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1354 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1355
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1356 // FIXME: tick texts
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1357
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1358 // minor grid lines
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1359 if (do_zminorgrid)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1360 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1361 set_linestyle (minorgridstyle, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1362 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1363 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1364 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1365 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1366
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1367 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1368 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1369 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1370 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1371 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1372 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1373 set_linestyle ("-", true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1374 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1375
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1376 // minor tick marks
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1377 if (do_zminortick)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1378 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1379 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1380 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1381 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1382 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1383 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1384 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1385 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1386 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1387
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1388 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1389 glVertex3d (xPlaneN+signum(xPlaneN-xPlane)fxzticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1390 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1391 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1392 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1393 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1394 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen/2*tickdir,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1395 yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1396 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1397 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1398 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1399 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1400 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1401 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1402 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1403 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1404 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1405 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1406
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1407 glVertex3d (xPlaneN, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1408 glVertex3d (xPlaneN, yPlane+signum(yPlane-yPlaneN)fyzticklen/2*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1409 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1410 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1411 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1412 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1413 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1414 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1415 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1416 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1417 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1418 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1419 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1420 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1421
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1422 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1423 glVertex3d (xPlane, yPlaneN+signum(yPlaneN-yPlane)fyzticklen/2*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1424 if (box && zstate != AXE_ANY_DIR)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1425 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1426 glVertex3d (xPlane, yPlane, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1427 glVertex3d (xPlane, yPlane+signum(yPlane-yPlaneN)fyzticklen/2*tickdir, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1428 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1429 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1430 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1431 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1432 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1433 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1434 glBegin (GL_LINES);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1435 for (int i = 0; i < zmticks.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1436 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1437 double zval = zmticks(i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1438
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1439 glVertex3d (xPlane, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1440 glVertex3d (xPlane+signum(xPlane-xPlaneN)fxzticklen/2*tickdir, yPlaneN, zval);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1441 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1442 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1443 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1444 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1445 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1446
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1447 text::properties& zlabel_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1448 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_zlabel ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1449
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1450 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1451 // label has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1452 if (! zlabel_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1453 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1454 bool camAuto = props.cameraupvectormode_is ("auto");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1455
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1456 zlabel_props.set_horizontalalignment ((zstate > AXE_DEPTH_DIR \|\| camAuto) ? "center" : "right");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1457 zlabel_props.set_verticalalignment(zstate == AXE_VERT_DIR ? "bottom" : ((zd*zv(2) < 0 \|\| camAuto) ? "bottom" : "top"));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1458
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1459 double angle = 0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1460 ColumnVector p;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1461
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1462 if (xySym)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1463 {
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1464 p = graphics_xform::xform_vector (xPlaneN, yPlane, (z_min+z_max)/2);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1465 if (xisinf (fy))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1466 p(0) += (signum(xPlaneN-xPlane)fxztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1467 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1468 p(1) += (signum(yPlane-yPlaneN)fyztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1469 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1470 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1471 {
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1472 p = graphics_xform::xform_vector (xPlane, yPlaneN, (z_min+z_max)/2);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1473 if (xisinf (fx))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1474 p(1) += (signum(yPlaneN-yPlane)fyztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1475 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1476 p(0) += (signum(xPlane-xPlaneN)fxztickoffset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1477 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1478 p = xform.transform (p(0), p(1), p(2), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1479 switch (zstate)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1480 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1481 case AXE_ANY_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1482 if (camAuto)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1483 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1484 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1485 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1486 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1487 /* FIXME: what's the correct offset?
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1488 p[0] += (!xySym ? wmax : -wmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1489 p[1] += (zd*zv[2] <= 0 ? hmax : -hmax);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1490 */
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1491 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1492 case AXE_VERT_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1493 p(0) -= wmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1494 angle = 90;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1495 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1496 case AXE_HORZ_DIR:
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1497 p(1) += hmax;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1498 break;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1499 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1500 p = xform.untransform (p(0), p(1), p(2), true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1501 zlabel_props.set_position (p.extract_n (0, 3).transpose ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1502 zlabel_props.set_rotation (angle);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1503 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1504 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1505
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1506 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1507
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1508 // Title
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1509
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1510 text::properties& title_props =
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1511 reinterpret_cast<text::properties&> (gh_manager::get_object (props.get_title ()).get_properties ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1512
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1513 // FIXME: auto-positioning should be disabled if the
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1514 // title has been positioned manually
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1515 if (! title_props.get_string ().empty ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1516 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1517 Matrix bb = props.get_boundingbox (true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1518 ColumnVector p = xform.untransform (bb(0)+bb(2)/2, (bb(1)-10),
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1519 (x_zlim(0)+x_zlim(1))/2, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1520 title_props.set_position (p.extract_n(0, 3).transpose ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1521 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1522
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	1523 set_clipbox (x_min, x_max, y_min, y_max, z_min, z_max);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1524
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1525 // Children
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1526
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1527 if (antialias == GL_TRUE)
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1528 glEnable (GL_LINE_SMOOTH);
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1529
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1530 Matrix children = props.get_children ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1531 std::list<graphics_object> obj_list;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1532 std::list<graphics_object>::iterator it;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1533
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1534 // 1st pass: draw light objects
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1535
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1536 for (int i = 0; i < children.numel (); i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1537 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1538 graphics_object go = gh_manager::get_object (children (i));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1539
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1540 if (go.get_properties ().is_visible ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1541 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1542 if (go.isa ("light"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1543 draw (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1544 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1545 obj_list.push_back (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1546 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1547 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1548
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1549 // 2nd pass: draw other objects (with units set to "data")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1550
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1551 it = obj_list.begin ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1552 while (it != obj_list.end ())
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1553 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1554 graphics_object go = (*it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1555
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1556 // FIXME: check whether object has "units" property and it is set to "data"
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1557 if (! go.isa ("text") \|\| go.get ("units").string_value () == "data")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1558 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1559 set_clipping (go.get_properties ().is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1560 draw (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1561
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1562 it = obj_list.erase (it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1563 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1564 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1565 it++;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1566 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1567
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1568 // 3rd pass: draw remaining objects
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1569
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1570 for (it = obj_list.begin (); it != obj_list.end (); it++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1571 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1572 graphics_object go = (*it);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1573
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1574 set_clipping (go.get_properties ().is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1575 draw (go);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1576 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1577
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1578 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1579 // FIXME: finalize rendering (transparency processing)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1580 // FIXME: draw zoom box, if needed
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1581 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1582
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1583 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1584 opengl_renderer::draw (const line::properties& props)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1585 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1586 Matrix x = xform.xscale (props.get_xdata ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1587 Matrix y = xform.yscale (props.get_ydata ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1588 Matrix z = xform.zscale (props.get_zdata ().matrix_value ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1589
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1590 bool has_z = (z.numel () > 0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1591 int n = static_cast<int> (::xmin (::xmin (x.numel (), y.numel ()), (has_z ? z.numel () : INT_MAX)));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1592 octave_uint8 clip_mask = (props.is_clipping () ? 0x7F : 0x40), clip_ok (0x40);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1593
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1594 std::vector<octave_uint8> clip (n);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1595
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1596 if (has_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1597 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1598 clip[i] = (clip_code (x(i), y(i), z(i)) & clip_mask);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1599 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1600 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1601 double z_mid = (zmin+zmax)/2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1602
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1603 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1604 clip[i] = (clip_code (x(i), y(i), z_mid) & clip_mask);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1605 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1606
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1607 if (! props.linestyle_is ("none"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1608 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1609 set_color (props.get_color_rgb ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1610 set_linestyle (props.get_linestyle (), false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1611 set_linewidth (props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1612
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1613 if (has_z)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1614 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1615 bool flag = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1616
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1617 for (int i = 1; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1618 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1619 if ((clip[i-1] & clip[i]) == clip_ok)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1620 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1621 if (! flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1622 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1623 flag = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1624 glBegin (GL_LINE_STRIP);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1625 glVertex3d (x(i-1), y(i-1), z(i-1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1626 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1627 glVertex3d (x(i), y(i), z(i));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1628 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1629 else if (flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1630 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1631 flag = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1632 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1633 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1634 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1635
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1636 if (flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1637 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1638 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1639 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1640 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1641 bool flag = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1642
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1643 for (int i = 1; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1644 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1645 if ((clip[i-1] & clip[i]) == clip_ok)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1646 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1647 if (! flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1648 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1649 flag = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1650 glBegin (GL_LINE_STRIP);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1651 glVertex2d (x(i-1), y(i-1));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1652 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1653 glVertex2d (x(i), y(i));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1654 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1655 else if (flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1656 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1657 flag = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1658 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1659 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1660 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1661
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1662 if (flag)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1663 glEnd ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1664 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1665
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1666 set_linewidth (0.5);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1667 set_linestyle ("-");
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1668 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1669
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1670 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1671
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1672 if (! props.marker_is ("none") &&
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1673 ! (props.markeredgecolor_is ("none")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1674 && props.markerfacecolor_is ("none")))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1675 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1676 Matrix lc, fc;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1677
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1678 if (props.markeredgecolor_is ("auto"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1679 lc = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1680 else if (! props.markeredgecolor_is ("none"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1681 lc = props.get_markeredgecolor_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1682
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1683 if (props.markerfacecolor_is ("auto"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1684 fc = props.get_color_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1685 else if (! props.markerfacecolor_is ("none"))
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1686 fc = props.get_markerfacecolor_rgb ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1687
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1688 init_marker (props.get_marker (), props.get_markersize (),
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1689 props.get_linewidth ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1690
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1691 for (int i = 0; i < n; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1692 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1693 if (clip[i] == clip_ok)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1694 draw_marker (x(i), y(i), (has_z ? z(i) : 0), lc, fc);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1695 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1696
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1697 end_marker ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1698 }
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	1699
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1700 set_clipping (props.is_clipping ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1701 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1702
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1703 void
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1704 opengl_renderer::draw (const surface::properties& props)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1705 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1706 Matrix x = xform.xscale (props.get_xdata ().matrix_value ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1707 Matrix y = xform.yscale (props.get_ydata ().matrix_value ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1708 Matrix z = xform.zscale (props.get_zdata ().matrix_value ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1709
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1710 int zr = z.rows (), zc = z.columns ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1711
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1712 NDArray c;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1713 NDArray n = props.get_vertexnormals ().array_value ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1714
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1715 // FIXME: handle transparency
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1716 Matrix a;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1717
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1718 if (props.facelighting_is ("phong") \|\| props.edgelighting_is ("phong"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1719 warning ("opengl_renderer::draw: phong light model not supported");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1720
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1721 int fc_mode = (props.facecolor_is_rgb () ? 0 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1722 (props.facecolor_is ("flat") ? 1 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1723 (props.facecolor_is ("interp") ? 2 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1724 (props.facecolor_is ("texturemap") ? 3 : -1))));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1725 int fl_mode = (props.facelighting_is ("none") ? 0 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1726 (props.facelighting_is ("flat") ? 1 : 2));
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1727 int fa_mode = (props.facealpha_is_double () ? 0 :
d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1728 (props.facealpha_is ("flat") ? 1 : 2));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1729 int ec_mode = (props.edgecolor_is_rgb () ? 0 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1730 (props.edgecolor_is ("flat") ? 1 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1731 (props.edgecolor_is ("interp") ? 2 : -1)));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1732 int el_mode = (props.edgelighting_is ("none") ? 0 :
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1733 (props.edgelighting_is ("flat") ? 1 : 2));
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1734 int ea_mode = (props.edgealpha_is_double () ? 0 :
d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1735 (props.edgealpha_is ("flat") ? 1 : 2));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1736
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1737 Matrix fcolor = (fc_mode == 3 ? Matrix (1, 3, 1.0) : props.get_facecolor_rgb ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1738 Matrix ecolor = props.get_edgecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1739
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1740 float as = props.get_ambientstrength ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1741 float ds = props.get_diffusestrength ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1742 float ss = props.get_specularstrength ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1743 float se = props.get_specularexponent ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1744 float cb[4] = { 0, 0, 0, 1 };
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1745
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1746 opengl_texture tex;
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1747
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1748 int i1, i2, j1, j2;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1749 bool x_mat = (x.rows () == z.rows ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1750 bool y_mat = (y.columns () == z.columns ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1751
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1752 i1 = i2 = j1 = j2 = 0;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1753
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1754 boolMatrix clip (z.dims (), false);
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1755
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1756 for (int i = 0; i < zr; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1757 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1758 if (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1759 i1 = i;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1760
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1761 for (int j = 0; j < zc; j++)
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1762 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1763 if (y_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1764 j1 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1765
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1766 clip(i,j) = is_nan_or_inf (x(i1,j), y(i,j1), z(i,j));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1767 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1768 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1769
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1770 if ((fc_mode > 0 && fc_mode < 3) \|\| ec_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1771 c = props.get_color_data ().array_value ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1772
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1773 if (fa_mode > 0 \|\| ea_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1774 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1775 // FIXME: implement alphadata conversion
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1776 //a = props.get_alpha_data ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1777 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1778
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1779 if (fl_mode > 0 \|\| el_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1780 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1781 float buf[4] = { ss, ss, ss, 1 };
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1782
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1783 glMaterialfv (LIGHT_MODE, GL_SPECULAR, buf);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1784 glMaterialf (LIGHT_MODE, GL_SHININESS, se);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1785 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1786
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1787 // FIXME: good candidate for caching, transfering pixel
c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1788 // data to OpenGL is time consuming.
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1789 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1790 tex = opengl_texture::create (props.get_color_data ());
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1791
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1792 if (! props.facecolor_is ("none"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1793 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1794 if (props.get_facealpha_double () == 1)
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1795 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1796 if (fc_mode == 0 \|\| fc_mode == 3)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1797 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1798 glColor3dv (fcolor.data ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1799 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1800 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1801 for (int i = 0; i < 3; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1802 cb[i] = (as * fcolor(i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1803 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1804
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1805 for (int i = 0; i < 3; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1806 cb[i] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1807 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1808 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1809 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1810
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1811 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1812 glEnable (GL_LIGHTING);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1813 glShadeModel ((fc_mode == 2 \|\| fl_mode == 2) ? GL_SMOOTH : GL_FLAT);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1814 set_polygon_offset (true, 1);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1815 if (fc_mode == 3)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1816 glEnable (GL_TEXTURE_2D);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1817
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1818 for (int i = 1; i < zc; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1819 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1820 if (y_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1821 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1822 i1 = i-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1823 i2 = i;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1824 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1825
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1826 for (int j = 1; j < zr; j++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1827 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1828 if (clip(j-1, i-1) \|\| clip (j, i-1)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1829 \|\| clip (j-1, i) \|\| clip (j, i))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1830 continue;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1831
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1832 if (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1833 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1834 j1 = j-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1835 j2 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1836 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1837
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1838 glBegin (GL_QUADS);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1839
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1840 // Vertex 1
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1841 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1842 tex.tex_coord (double (i-1) / (zc-1), double (j-1) / (zr-1));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1843 else if (fc_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1844 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1845 // FIXME: is there a smarter way to do this?
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1846 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1847 cb[k] = c(j-1, i-1, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1848 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1849
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1850 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1851 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1852 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1853 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1854 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1855
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1856 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1857 cb[k] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1858 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1859 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1860 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1861 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1862 glNormal3d (n(j-1,i-1,0), n(j-1,i-1,1), n(j-1,i-1,2));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1863 glVertex3d (x(j1,i-1), y(j-1,i1), z(j-1,i-1));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1864
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1865 // Vertex 2
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1866 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1867 tex.tex_coord (double (i) / (zc-1), double (j-1) / (zr-1));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1868 else if (fc_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1869 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1870 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1871 cb[k] = c(j-1, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1872 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1873
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1874 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1875 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1876 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1877 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1878 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1879
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1880 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1881 cb[k] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1882 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1883 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1884 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1885 if (fl_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1886 glNormal3d (n(j-1,i,0), n(j-1,i,1), n(j-1,i,2));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1887 glVertex3d (x(j1,i), y(j-1,i2), z(j-1,i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1888
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1889 // Vertex 3
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1890 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1891 tex.tex_coord (double (i) / (zc-1), double (j) / (zr-1));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1892 else if (fc_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1893 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1894 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1895 cb[k] = c(j, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1896 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1897
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1898 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1899 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1900 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1901 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1902 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1903
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1904 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1905 cb[k] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1906 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1907 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1908 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1909 if (fl_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1910 glNormal3d (n(j,i,0), n(j,i,1), n(j,i,2));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1911 glVertex3d (x(j2,i), y(j,i2), z(j,i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1912
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1913 // Vertex 4
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1914 if (fc_mode == 3)
7831 c7925666f0bf Add OpenGL texture wrapper class (not complete yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7829 diff changeset	1915 tex.tex_coord (double (i-1) / (zc-1), double (j) / (zr-1));
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1916 else if (fc_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1917 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1918 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1919 cb[k] = c(j, i-1, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1920 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1921
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1922 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1923 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1924 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1925 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1926 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1927
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1928 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1929 cb[k] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1930 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1931 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1932 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1933 if (fl_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1934 glNormal3d (n(j,i-1,0), n(j,i-1,1), n(j,i-1,2));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1935 glVertex3d (x(j2,i-1), y(j,i1), z(j,i-1));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1936
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1937 glEnd ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1938 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1939 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1940
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1941 set_polygon_offset (false);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1942 if (fc_mode == 3)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1943 glDisable (GL_TEXTURE_2D);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1944
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1945 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1946 glDisable (GL_LIGHTING);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1947 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1948 else
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1949 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1950 // FIXME: implement transparency
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1951 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1952 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1953
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1954 if (! props.edgecolor_is ("none"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1955 {
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	1956 if (props.get_edgealpha_double () == 1)
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1957 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1958 if (ec_mode == 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1959 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1960 glColor3dv (ecolor.data ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1961 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1962 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1963 for (int i = 0; i < 3; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1964 cb[i] = (as * ecolor(i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1965 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1966
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1967 for (int i = 0; i < 3; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1968 cb[i] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1969 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1970 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1971 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1972
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1973 if (el_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1974 glEnable (GL_LIGHTING);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1975 glShadeModel ((ec_mode == 2 \|\| el_mode == 2) ? GL_SMOOTH : GL_FLAT);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1976
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1977 set_linestyle (props.get_linestyle (), false);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1978 set_linewidth (props.get_linewidth ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1979
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1980 // Mesh along Y-axis
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1981
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1982 if (props.meshstyle_is ("both") \|\| props.meshstyle_is ("column"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1983 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1984 for (int i = 0; i < zc; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1985 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1986 if (y_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1987 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1988 i1 = i-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1989 i2 = i;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1990 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1991
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1992 for (int j = 1; j < zr; j++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1993 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1994 if (clip(j-1,i) \|\| clip(j,i))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1995 continue;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1996
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1997 if (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1998 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	1999 j1 = j-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2000 j2 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2001 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2002
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2003 glBegin (GL_LINES);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2004
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2005 // Vertex 1
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2006 if (ec_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2007 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2008 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2009 cb[k] = c(j-1, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2010 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2011
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2012 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2013 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2014 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2015 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2016 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2017
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2018 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2019 cb[k] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2020 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2021 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2022 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2023 if (el_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2024 glNormal3d (n(j-1,i,0), n(j-1,i,1), n(j-1,i,2));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2025 glVertex3d (x(j1,i), y(j-1,i2), z(j-1,i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2026
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2027 // Vertex 2
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2028 if (ec_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2029 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2030 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2031 cb[k] = c(j, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2032 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2033
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2034 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2035 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2036 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2037 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2038 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2039
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2040 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2041 cb[k] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2042 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2043 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2044 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2045 if (el_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2046 glNormal3d (n(j,i,0), n(j,i,1), n(j,i,2));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2047 glVertex3d (x(j2,i), y(j,i2), z(j,i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2048
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2049 glEnd ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2050 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2051 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2052 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2053
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2054 // Mesh along X-axis
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2055
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2056 if (props.meshstyle_is ("both") \|\| props.meshstyle_is ("row"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2057 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2058 for (int j = 0; j < zr; j++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2059 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2060 if (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2061 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2062 j1 = j-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2063 j2 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2064 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2065
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2066 for (int i = 1; i < zc; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2067 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2068 if (clip(j,i-1) \|\| clip(j,i))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2069 continue;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2070
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2071 if (y_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2072 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2073 i1 = i-1;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2074 i2 = i;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2075 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2076
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2077 glBegin (GL_LINES);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2078
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2079 // Vertex 1
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2080 if (ec_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2081 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2082 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2083 cb[k] = c(j, i-1, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2084 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2085
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2086 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2087 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2088 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2089 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2090 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2091
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2092 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2093 cb[k] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2094 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2095 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2096 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2097 if (el_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2098 glNormal3d (n(j,i-1,0), n(j,i-1,1), n(j,i-1,2));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2099 glVertex3d (x(j2,i-1), y(j,i1), z(j,i-1));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2100
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2101 // Vertex 2
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2102 if (ec_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2103 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2104 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2105 cb[k] = c(j, i, k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2106 glColor3fv (cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2107
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2108 if (fl_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2109 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2110 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2111 cb[k] *= as;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2112 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2113
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2114 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2115 cb[k] *= (ds / as);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2116 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2117 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2118 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2119 if (el_mode == 2)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2120 glNormal3d (n(j,i,0), n(j,i,1), n(j,i,2));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2121 glVertex3d (x(j2,i), y(j,i2), z(j,i));
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2122
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2123 glEnd ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2124 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2125 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2126 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2127
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2128 set_linestyle ("-");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2129 set_linewidth (0.5);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2130
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2131 if (el_mode > 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2132 glDisable (GL_LIGHTING);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2133 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2134 else
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2135 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2136 // FIXME: implement transparency
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2137 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2138 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2139
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2140 if (! props.marker_is ("none") &&
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2141 ! (props.markeredgecolor_is ("none")
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2142 && props.markerfacecolor_is ("none")))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2143 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2144 // FIXME: check how transparency should be handled in markers
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2145 // FIXME: check what to do with marker facecolor set to auto
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2146 // and facecolor set to none.
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2147
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2148 bool do_edge = ! props.markeredgecolor_is ("none");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2149 bool do_face = ! props.markerfacecolor_is ("none");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2150
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2151 Matrix mecolor = props.get_markeredgecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2152 Matrix mfcolor = props.get_markerfacecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2153 Matrix cc (1, 3, 0.0);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2154
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2155 if (mecolor.numel () == 0 && props.markeredgecolor_is ("auto"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2156 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2157 mecolor = props.get_edgecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2158 do_edge = ! props.edgecolor_is ("none");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2159 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2160
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2161 if (mfcolor.numel () == 0 && props.markerfacecolor_is ("auto"))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2162 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2163 mfcolor = props.get_facecolor_rgb ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2164 do_face = ! props.facecolor_is ("none");
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2165 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2166
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2167 if ((mecolor.numel () == 0 \|\| mfcolor.numel () == 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2168 && c.numel () == 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2169 c = props.get_color_data ().array_value ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2170
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2171 init_marker (props.get_marker (), props.get_markersize (),
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2172 props.get_linewidth ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2173
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2174 for (int i = 0; i < zc; i++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2175 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2176 if (y_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2177 i1 = i;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2178
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2179 for (int j = 0; j < zr; j++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2180 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2181 if (clip(j,i))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2182 continue;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2183
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2184 if (x_mat)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2185 j1 = j;
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2186
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2187 if ((do_edge && mecolor.numel () == 0)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2188 \|\| (do_face && mfcolor.numel () == 0))
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2189 {
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2190 for (int k = 0; k < 3; k++)
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2191 cc(k) = c(j,i,k);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2192 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2193
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2194 Matrix lc = (do_edge ? (mecolor.numel () == 0 ? cc : mecolor) : Matrix ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2195 Matrix fc = (do_face ? (mfcolor.numel () == 0 ? cc : mfcolor) : Matrix ());
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2196
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2197 draw_marker (x(j1,i), y(j,i1), z(j,i), lc, fc);
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2198 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2199 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2200
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2201 end_marker ();
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2202 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2203 }
8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2204
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2205 // FIXME: global optimization (rendering, data structures...), there
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2206 // is probably a smarter/faster/less-memory-consuming way to do this.
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2207 void
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2208 opengl_renderer::draw (const patch::properties &props)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2209 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2210 Matrix f = props.get_faces ().matrix_value ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2211 Matrix v = xform.scale (props.get_vertices ().matrix_value ());
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2212 Matrix c;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2213 Matrix n = props.get_vertexnormals ().matrix_value ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2214 Matrix a;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2215
7870 b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2216 int nv = v.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2217 // int vmax = v.columns ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2218 int nf = f.rows ();
b1823dfd6ec7 style fixes John W. Eaton <jwe@octave.org> parents: 7866 diff changeset	2219 int fcmax = f.columns ();
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2220
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2221 bool has_z = (v.columns () > 2);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2222 bool has_facecolor = false;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2223 bool has_facealpha = false;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2224
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2225 int fc_mode = (props.facecolor_is_rgb () ? 0 :
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2226 (props.facecolor_is("flat") ? 1 : 2));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2227 int fl_mode = (props.facelighting_is ("none") ? 0 :
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2228 (props.facelighting_is ("flat") ? 1 : 2));
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2229 int fa_mode = (props.facealpha_is_double () ? 0 :
d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2230 (props.facealpha_is ("flat") ? 1 : 2));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2231 int ec_mode = (props.edgecolor_is_rgb () ? 0 :
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2232 (props.edgecolor_is("flat") ? 1 : 2));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2233 int el_mode = (props.edgelighting_is ("none") ? 0 :
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2234 (props.edgelighting_is ("flat") ? 1 : 2));
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2235 int ea_mode = (props.edgealpha_is_double () ? 0 :
d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2236 (props.edgealpha_is ("flat") ? 1 : 2));
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2237
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2238 Matrix fcolor = props.get_facecolor_rgb ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2239 Matrix ecolor = props.get_edgecolor_rgb ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2240
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2241 float as = props.get_ambientstrength ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2242 float ds = props.get_diffusestrength ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2243 float ss = props.get_specularstrength ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2244 float se = props.get_specularexponent ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2245
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2246 boolMatrix clip (1, nv, false);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2247
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2248 if (has_z)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2249 for (int i = 0; i < nv; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2250 clip(i) = is_nan_or_inf (v(i,0), v(i,1), v(i,2));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2251 else
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2252 for (int i = 0; i < nv; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2253 clip(i) = is_nan_or_inf (v(i,0), v(i,1), 0);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2254
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2255 boolMatrix clip_f (1, nf, false);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2256 Array<int> count_f (nf, 0);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2257
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2258 for (int i = 0; i < nf; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2259 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2260 bool fclip = false;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2261 int count = 0;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2262
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2263 for (int j = 0; j < fcmax && ! xisnan (f(i,j)); j++, count++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2264 fclip = (fclip \|\| clip(int (f(i,j) - 1)));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2265
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2266 clip_f(i) = fclip;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2267 count_f(i) = count;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2268 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2269
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2270 if (fc_mode > 0 \|\| ec_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2271 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2272 c = props.get_color_data ().matrix_value ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2273
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2274 if (c.rows () == 1)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2275 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2276 // Single color specifications, we can simplify a little bit
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2277
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2278 if (fc_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2279 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2280 fcolor = c;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2281 fc_mode = 0;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2282 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2283
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2284 if (ec_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2285 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2286 ecolor = c;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2287 ec_mode = 0;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2288 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2289
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2290 c = Matrix ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2291 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2292 else
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2293 has_facecolor = ((c.numel () > 0) && (c.rows () == f.rows ()));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2294 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2295
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2296 if (fa_mode > 0 \|\| ea_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2297 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2298 // FIXME: retrieve alpha data from patch object
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2299 //a = props.get_alpha_data ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2300 has_facealpha = ((a.numel () > 0) && (a.rows () == f.rows ()));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2301 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2302
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7914 diff changeset	2303 octave_idx_type fr = f.rows ();
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2304 std::vector<vertex_data> vdata (f.numel ());
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2305
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2306 for (int i = 0; i < nf; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2307 for (int j = 0; j < count_f(i); j++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2308 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2309 int idx = int (f(i,j) - 1);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2310
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2311 Matrix vv (1, 3, 0.0);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2312 Matrix cc;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2313 Matrix nn(1, 3, 0.0);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2314 double aa = 1.0;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2315
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2316 vv(0) = v(idx,0); vv(1) = v(idx,1);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2317 if (has_z)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2318 vv(2) = v(idx,2);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2319 // FIXME: uncomment when patch object has normal computation
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2320 //nn(0) = n(idx,0); nn(1) = n(idx,1); nn(2) = n(idx,2);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2321 if (c.numel () > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2322 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2323 cc.resize (1, 3);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2324 if (has_facecolor)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2325 cc(0) = c(i,0), cc(1) = c(i,1), cc(2) = c(i,2);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2326 else
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2327 cc(0) = c(idx,0), cc(1) = c(idx,1), cc(2) = c(idx,2);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2328 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2329 if (a.numel () > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2330 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2331 if (has_facealpha)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2332 aa = a(i);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2333 else
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2334 aa = a(idx);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2335 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2336
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2337 vdata[i+j*fr] =
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2338 vertex_data (vv, cc, nn, aa, as, ds, ss, se);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2339 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2340
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2341 if (fl_mode > 0 \|\| el_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2342 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2343 float buf[4] = { ss, ss, ss, 1 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2344
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2345 glMaterialfv (LIGHT_MODE, GL_SPECULAR, buf);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2346 glMaterialf (LIGHT_MODE, GL_SHININESS, se);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2347 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2348
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2349 if (! props.facecolor_is ("none"))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2350 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2351 // FIXME: adapt to double-radio property
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2352 if (props.get_facealpha_double () == 1)
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2353 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2354 if (fc_mode == 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2355 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2356 glColor3dv (fcolor.data ());
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2357 if (fl_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2358 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2359 float cb[4] = { 0, 0, 0, 1 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2360
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2361 for (int i = 0; i < 3; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2362 cb[i] = (as * fcolor(i));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2363 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2364
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2365 for (int i = 0; i < 3; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2366 cb[i] *= (ds / as);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2367 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2368 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2369 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2370
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2371 if (fl_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2372 glEnable (GL_LIGHTING);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2373
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2374 // FIXME: use __index__ property from patch object
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2375 patch_tesselator tess (this, fc_mode, fl_mode, 0);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2376
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2377 for (int i = 0; i < nf; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2378 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2379 if (clip_f(i))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2380 continue;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2381
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2382 tess.begin_polygon (true);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2383 tess.begin_contour ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2384
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2385 for (int j = 0; j < count_f(i); j++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2386 {
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2387 vertex_data::vertex_data_rep vv = vdata[i+jfr].get_rep ();
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2388
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2389 tess.add_vertex (vv->coords.fortran_vec (), vv);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2390 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2391
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2392 tess.end_contour ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2393 tess.end_polygon ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2394 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2395
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2396 if (fl_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2397 glDisable (GL_LIGHTING);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2398 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2399 else
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2400 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2401 // FIXME: implement transparency
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2402 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2403 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2404
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2405 if (! props.edgecolor_is ("none"))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2406 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2407 // FIXME: adapt to double-radio property
7846 d7737a4268b7 Fix typos in property names (edgealpha/facealpha). Michael Goffioul <michael.goffioul@gmail.com> parents: 7838 diff changeset	2408 if (props.get_edgealpha_double () == 1)
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2409 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2410 if (ec_mode == 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2411 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2412 glColor3dv (ecolor.data ());
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2413 if (el_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2414 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2415 float cb[4] = { 0, 0, 0, 1 };
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2416
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2417 for (int i = 0; i < 3; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2418 cb[i] = (as * ecolor(i));
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2419 glMaterialfv (LIGHT_MODE, GL_AMBIENT, cb);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2420
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2421 for (int i = 0; i < 3; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2422 cb[i] *= (ds / as);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2423 glMaterialfv (LIGHT_MODE, GL_DIFFUSE, cb);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2424 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2425 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2426
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2427 if (el_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2428 glEnable (GL_LIGHTING);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2429
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2430 set_linestyle (props.get_linestyle (), false);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2431 set_linewidth (props.get_linewidth ());
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2432
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2433 // FIXME: use __index__ property from patch object; should we
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2434 // offset patch contour as well?
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2435 patch_tesselator tess (this, ec_mode, el_mode);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2436
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2437 for (int i = 0; i < nf; i++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2438 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2439 if (clip_f(i))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2440 continue;
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2441
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2442 tess.begin_polygon (false);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2443 tess.begin_contour ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2444
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2445 for (int j = 0; j < count_f(i); j++)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2446 {
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2447 vertex_data::vertex_data_rep vv = vdata[i+jfr].get_rep ();
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2448
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2449 tess.add_vertex (vv->coords.fortran_vec (), vv);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2450 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2451
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2452 tess.end_contour ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2453 tess.end_polygon ();
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2454 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2455
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2456 set_linestyle ("-");
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2457 set_linewidth (0.5);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2458
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2459 if (el_mode > 0)
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2460 glDisable (GL_LIGHTING);
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2461 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2462 else
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2463 {
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2464 // FIXME: implement transparency
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2465 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2466 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2467
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2468 if (! props.marker_is ("none") &&
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2469 ! (props.markeredgecolor_is ("none") && props.markerfacecolor_is ("none")))
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2470 {
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2471 bool do_edge = ! props.markeredgecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2472 bool do_face = ! props.markerfacecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2473
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2474 Matrix mecolor = props.get_markeredgecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2475 Matrix mfcolor = props.get_markerfacecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2476 Matrix cc (1, 3, 0.0);
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2477
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2478 if (mecolor.numel () == 0 && props.markeredgecolor_is ("auto"))
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2479 {
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2480 mecolor = props.get_edgecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2481 do_edge = ! props.edgecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2482 }
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2483
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2484 if (mfcolor.numel () == 0 && props.markerfacecolor_is ("auto"))
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2485 {
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2486 mfcolor = props.get_facecolor_rgb ();
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2487 do_face = ! props.facecolor_is ("none");
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2488 }
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2489
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2490 init_marker (props.get_marker (), props.get_markersize (),
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2491 props.get_linewidth ());
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2492
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2493 for (int i = 0; i < nf; i++)
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2494 for (int j = 0; j < count_f(i); j++)
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2495 {
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2496 int idx = int (f(i,j) - 1);
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2497
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2498 if (clip(idx))
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2499 continue;
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2500
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2501 Matrix lc = (do_edge ? (mecolor.numel () == 0 ?
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2502 vdata[i+j*fr].get_rep ()->color : mecolor)
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2503 : Matrix ());
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2504 Matrix fc = (do_face ? (mfcolor.numel () == 0 ?
7914 e998e81224b5 Various compilation fixes for MSVC. John W. Eaton <jwe@octave.org> parents: 7907 diff changeset	2505 vdata[i+j*fr].get_rep ()->color : mfcolor)
7838 0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2506 : Matrix ());
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2507
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2508 draw_marker (v(idx,0), v(idx,1), (has_z ? v(idx,2) : 0), lc, fc);
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2509 }
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2510
0a2ba0053fbd Render marker of patch objects. Michael Goffioul <michael.goffioul@gmail.com> parents: 7837 diff changeset	2511 end_marker ();
7833 8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2512 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2513 }
8ff92634982d Add initial support for patch rendering through GLU tessellation (no transparency, no border, no markers yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7831 diff changeset	2514
7829 8ca8e97e8c0a Add rendering interface for surface object (no implementation yet). Michael Goffioul <michael.goffioul@gmail.com> parents: 7825 diff changeset	2515 void
7866 35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2516 opengl_renderer::draw (const hggroup::properties &props)
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2517 {
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2518 draw (props.get_children ());
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2519 }
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2520
35e8d6199455 Add hggroup support in OpenGL renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: 7851 diff changeset	2521 void
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2522 opengl_renderer::set_viewport (int w, int h)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2523 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2524 glViewport (0, 0, w, h);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2525 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2526
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2527 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2528 opengl_renderer::set_color (const Matrix& c)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2529 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2530 glColor3dv (c.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2531 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2532
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2533 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2534 opengl_renderer::set_polygon_offset (bool on, double offset)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2535 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2536 if (on)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2537 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2538 glPolygonOffset (offset, offset);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2539 glEnable (GL_POLYGON_OFFSET_FILL);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2540 glEnable (GL_POLYGON_OFFSET_LINE);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2541 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2542 else
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2543 {
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2544 glDisable (GL_POLYGON_OFFSET_FILL);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2545 glDisable (GL_POLYGON_OFFSET_LINE);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2546 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2547 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2548
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2549 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2550 opengl_renderer::set_linewidth (float w)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2551 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2552 glLineWidth (w);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2553 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2554
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2555 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2556 opengl_renderer::set_linestyle (const std::string& s, bool use_stipple)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2557 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2558 bool solid = false;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2559
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2560 if (s == "-")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2561 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2562 glLineStipple (1, static_cast<unsigned short> (0xFFFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2563 solid = true;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2564 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2565 else if (s == ":")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2566 glLineStipple (1, static_cast<unsigned short> (0x8888));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2567 else if (s == "--")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2568 glLineStipple (1, static_cast<unsigned short> (0x0FFF));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2569 else if (s == "-.")
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2570 glLineStipple (1, static_cast<unsigned short> (0x020F));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2571 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2572 glLineStipple (1, static_cast<unsigned short> (0x0000));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2573
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2574 if (solid && ! use_stipple)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2575 glDisable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2576 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2577 glEnable (GL_LINE_STIPPLE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2578 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2579
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2580 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2581 opengl_renderer::set_clipbox (double x1, double x2, double y1, double y2,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2582 double z1, double z2)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2583 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2584 double dx = (x2-x1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2585 double dy = (y2-y1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2586 double dz = (z2-z1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2587
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2588 x1 -= 0.001dx; x2 += 0.001dx;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2589 y1 -= 0.001dy; y2 += 0.001dy;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2590 z1 -= 0.001dz; z2 += 0.001dz;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2591
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2592 ColumnVector p (4, 0.0);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2593
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2594 p(0) = -1; p(3) = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2595 glClipPlane (GL_CLIP_PLANE0, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2596 p(0) = 1; p(3) = -x1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2597 glClipPlane (GL_CLIP_PLANE1, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2598 p(0) = 0; p(1) = -1; p(3) = y2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2599 glClipPlane (GL_CLIP_PLANE2, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2600 p(1) = 1; p(3) = -y1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2601 glClipPlane (GL_CLIP_PLANE3, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2602 p(1) = 0; p(2) = -1; p(3) = z2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2603 glClipPlane (GL_CLIP_PLANE4, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2604 p(2) = 1; p(3) = -z1;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2605 glClipPlane (GL_CLIP_PLANE5, p.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2606
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2607 xmin = x1; xmax = x2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2608 ymin = y1; ymax = y2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2609 zmin = z1; zmax = z2;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2610 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2611
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2612 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2613 opengl_renderer::set_clipping (bool enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2614 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2615 bool has_clipping = (glIsEnabled (GL_CLIP_PLANE0) == GL_TRUE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2616
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2617 if (enable != has_clipping)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2618 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2619 if (enable)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2620 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2621 glEnable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2622 else
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2623 for (int i = 0; i < 6; i++)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2624 glDisable (GL_CLIP_PLANE0+i);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2625 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2626 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2627
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2628 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2629 opengl_renderer::init_marker (const std::string& m, double size, float width)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2630 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2631 int vw[4];
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2632
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2633 glGetIntegerv (GL_VIEWPORT, vw);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2634
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2635 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2636 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2637 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2638 glOrtho (0, vw[2], vw[3], 0, xZ1, xZ2);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2639 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2640 glPushMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2641
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2642 set_clipping (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2643 set_linewidth (width);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2644
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2645 marker_id = make_marker_list (m, size, false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2646 filled_marker_id = make_marker_list (m, size, true);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2647 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2648
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2649 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2650 opengl_renderer::end_marker (void)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2651 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2652 glDeleteLists (marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2653 glDeleteLists (filled_marker_id, 1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2654
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2655 glMatrixMode (GL_MODELVIEW);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2656 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2657 glMatrixMode (GL_PROJECTION);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2658 glPopMatrix ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2659 set_linewidth (0.5f);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2660 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2661
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2662 void
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2663 opengl_renderer::draw_marker (double x, double y, double z,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2664 const Matrix& lc, const Matrix& fc)
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2665 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2666 ColumnVector tmp = xform.transform (x, y, z, false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2667
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2668 glLoadIdentity ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2669 glTranslated (tmp(0), tmp(1), -tmp(2));
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2670
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2671 if (filled_marker_id > 0 && fc.numel () > 0)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2672 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2673 glColor3dv (fc.data ());
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2674 set_polygon_offset (true, -1.0);
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2675 glCallList (filled_marker_id);
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2676 if (lc.numel () > 0)
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2677 {
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2678 glColor3dv (lc.data ());
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2679 glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2680 glEdgeFlag (GL_TRUE);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2681 set_polygon_offset (true, -2.0);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2682 glCallList (filled_marker_id);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2683 glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2684 }
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2685 set_polygon_offset (false);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2686 }
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2687 else if (marker_id > 0 && lc.numel () > 0)
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2688 {
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2689 glColor3dv (lc.data ());
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2690 glCallList (marker_id);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2691 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2692 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2693
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2694 unsigned int
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2695 opengl_renderer::make_marker_list (const std::string& marker, double size,
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2696 bool filled) const
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2697 {
7907 c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2698 char c = marker[0];
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2699
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2700 if (filled && (c == '+' \|\| c == 'x' \|\| c == '*' \|\| c == '.'))
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2701 return 0;
c350329da645 Implement basic line antialiasing John W. Eaton <jwe@octave.org> parents: 7906 diff changeset	2702
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2703 unsigned int ID = glGenLists (1);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2704 double sz = size * backend.get_screen_resolution () / 72.0;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2705
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2706 // constants for the * marker
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2707 const double sqrt2d4 = 0.35355339059327;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2708 double tt = sz*sqrt2d4;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2709
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2710 glNewList (ID, GL_COMPILE);
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2711
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2712 switch (marker[0])
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2713 {
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2714 case '+':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2715 glBegin (GL_LINES);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2716 glVertex2f (-sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2717 glVertex2f (sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2718 glVertex2f (0 ,-sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2719 glVertex2f (0 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2720 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2721 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2722 case 'x':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2723 glBegin(GL_LINES);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2724 glVertex2f (-sz/2 ,-sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2725 glVertex2f (sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2726 glVertex2f (-sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2727 glVertex2f (sz/2 ,-sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2728 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2729 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2730 case '*':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2731 glBegin (GL_LINES);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2732 glVertex2f (-sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2733 glVertex2f (sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2734 glVertex2f (0 ,-sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2735 glVertex2f (0 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2736 glVertex2f (-tt ,-tt );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2737 glVertex2f (+tt ,+tt );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2738 glVertex2f (-tt ,+tt );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2739 glVertex2f (+tt ,-tt );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2740 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2741 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2742 case '.':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2743 glBegin (GL_POLYGON);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2744 glVertex2f (-sz/10, -sz/10);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2745 glVertex2f (-sz/10, sz/10 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2746 glVertex2f (sz/10 , sz/10 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2747 glVertex2f (sz/10 , -sz/10);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2748 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2749 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2750 case 's':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2751 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2752 glVertex2d (-sz/2, -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2753 glVertex2d (-sz/2, sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2754 glVertex2d ( sz/2, sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2755 glVertex2d ( sz/2, -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2756 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2757 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2758 case 'o':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2759 {
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2760 double ang_step = M_PI / 5;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2761
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2762 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2763 for (double ang = 0; ang < (2*M_PI); ang += ang_step)
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2764 glVertex2d (szcos(ang)/2, szsin(ang)/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2765 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2766 }
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2767 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2768 case 'd':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2769 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2770 glVertex2d ( 0, -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2771 glVertex2d ( sz/2, 0);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2772 glVertex2d ( 0, sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2773 glVertex2d (-sz/2, 0);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2774 glEnd();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2775 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2776 case '^':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2777 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2778 glVertex2f (0 , sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2779 glVertex2f (sz/2 , -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2780 glVertex2f (-sz/2 , -sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2781 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2782 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2783 case 'v':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2784 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2785 glVertex2f (0 ,-sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2786 glVertex2f (-sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2787 glVertex2f (sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2788 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2789 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2790 case '>':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2791 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2792 glVertex2f (sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2793 glVertex2f (-sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2794 glVertex2f (-sz/2 ,-sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2795 glEnd ();
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2796 break;
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2797 case '<':
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2798 glBegin ((filled ? GL_POLYGON : GL_LINE_LOOP));
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2799 glVertex2f (-sz/2 ,0 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2800 glVertex2f (sz/2 ,-sz/2);
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2801 glVertex2f (sz/2 ,sz/2 );
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2802 glEnd ();
7906 b3becd212f3f Draw markers above lines John W. Eaton <jwe@octave.org> parents: 7904 diff changeset	2803 break;
7851 002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2804 default:
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2805 warning ("opengl_renderer: unsupported marker `%s'",
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2806 marker.c_str ());
002b1d8460d2 added some more markers Shai Ayal <shaiay@users.sourceforge.net> parents: 7846 diff changeset	2807 break;
7825 13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2808 }
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2809
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2810 glEndList ();
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2811
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2812 return ID;
13871b7de124 Import sources for OpenGL-based renderer. Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2813 }
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2814
7954 3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	2815 #endif
3ffc34caec65 configure fixes John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	2816
7874 e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2817 /*
e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2818 ;;; Local Variables: ***
e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2819 ;;; mode: C++ ***
e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2820 ;;; End: ***
e3a502930e2a eliminate src/graphics subdirectory John W. Eaton <jwe@octave.org> parents: 7870 diff changeset	2821 */

Mercurial > hg > octave-lyh

annotate src/gl-render.cc @ 7954:3ffc34caec65