octave-nkf: src/gl2ps-renderer.cc annotate

annotate src/gl2ps-renderer.cc @ 14468:d16638f73691

Modify gl2ps_renderer.cc to properly specificy 2D/3D text object positions. Regression of changeset 7a49519913e3. Bug # 34907. * gl2ps_renderer.cc (gl2ps_renderer::draw_text):

author	Konstantinos Poulios <logari81@googlemail.com>
date	Thu, 15 Mar 2012 18:49:52 -0400
parents	933101fd5cbb
children

rev	line source
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	1 /*
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	2
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	3 Copyright (C) 2009-2012 Shai Ayal
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	4
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	5 This file is part of Octave.
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	6
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	8 under the terms of the GNU General Public License as published by the
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	10 option) any later version.
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	11
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	15 for more details.
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	16
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	17 You should have received a copy of the GNU General Public License
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	18 along with Octave; see the file COPYING. If not, see
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	19 <http://www.gnu.org/licenses/>.
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	20
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	21 */
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	22
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	23 #ifdef HAVE_CONFIG_H
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	24 #include <config.h>
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	25 #endif
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	26
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	27 #if defined (HAVE_OPENGL)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	28
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	29 #include <cstdio>
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	30
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	31 #include "lo-mappers.h"
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	32 #include "oct-locbuf.h"
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	33
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	34 #include "gl2ps-renderer.h"
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	35 #include "gl2ps.h"
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	36
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	37 void
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	38 glps_renderer::draw (const graphics_object& go)
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	39 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	40 static bool in_draw = false;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	41
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	42 if (!in_draw)
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	43 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	44 in_draw = true;
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	45
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	46 GLint buffsize = 0, state = GL2PS_OVERFLOW;
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	47 GLint viewport[4];
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	48
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	49 glGetIntegerv (GL_VIEWPORT, viewport);
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	50
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	51 GLint gl2ps_term;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	52 if (term.find ("eps") != std::string::npos) gl2ps_term = GL2PS_EPS;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	53 else if (term.find ("pdf") != std::string::npos) gl2ps_term = GL2PS_PDF;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	54 else if (term.find ("svg") != std::string::npos) gl2ps_term = GL2PS_SVG;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	55 else if (term.find ("ps") != std::string::npos) gl2ps_term = GL2PS_PS;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	56 else if (term.find ("pgf") != std::string::npos) gl2ps_term = GL2PS_PGF;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	57 else if (term.find ("tex") != std::string::npos) gl2ps_term = GL2PS_TEX;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	58 else
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	59 {
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	60 error ("gl2ps-renderer:: Unknown terminal");
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	61 return;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	62 }
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	63
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	64 GLint gl2ps_text = 0;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	65 if (term.find ("notxt") != std::string::npos) gl2ps_text = GL2PS_NO_TEXT;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	66
14389 6b2448555bbd Fix Z-order stacking of axis background for FLTK printing (bug #35559) Rik <octave@nomad.inbox5.com> parents: 14203 diff changeset	67 // Default sort order optimizes for 3D plots
6b2448555bbd Fix Z-order stacking of axis background for FLTK printing (bug #35559) Rik <octave@nomad.inbox5.com> parents: 14203 diff changeset	68 GLint gl2ps_sort = GL2PS_BSP_SORT;
6b2448555bbd Fix Z-order stacking of axis background for FLTK printing (bug #35559) Rik <octave@nomad.inbox5.com> parents: 14203 diff changeset	69 if (term.find ("is2D") != std::string::npos) gl2ps_sort = GL2PS_NO_SORT;
6b2448555bbd Fix Z-order stacking of axis background for FLTK printing (bug #35559) Rik <octave@nomad.inbox5.com> parents: 14203 diff changeset	70
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	71 while (state == GL2PS_OVERFLOW)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	72 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	73 buffsize += 1024*1024;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	74 gl2psBeginPage ("glps_renderer figure", "Octave", viewport,
14389 6b2448555bbd Fix Z-order stacking of axis background for FLTK printing (bug #35559) Rik <octave@nomad.inbox5.com> parents: 14203 diff changeset	75 gl2ps_term, gl2ps_sort,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	76 (GL2PS_SILENT \| GL2PS_SIMPLE_LINE_OFFSET
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	77 \| GL2PS_NO_BLENDING \| GL2PS_OCCLUSION_CULL
14203 81ee6b12adbc Disable the PS Level 3 shading feature in gl2ps. Ben Abbott <bpabbott@mac.com> parents: 14138 diff changeset	78 \| GL2PS_BEST_ROOT \| gl2ps_text
81ee6b12adbc Disable the PS Level 3 shading feature in gl2ps. Ben Abbott <bpabbott@mac.com> parents: 14138 diff changeset	79 \| GL2PS_NO_PS3_SHADING),
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	80 GL_RGBA, 0, NULL, 0, 0, 0,
10955 2786e3b7072e gl2ps print to fid instead of filename Shai Ayal <shaiay@users.sourceforge.net> parents: 10857 diff changeset	81 buffsize, fp, "" );
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	82
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	83 opengl_renderer::draw (go);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	84 state = gl2psEndPage ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	85 }
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	86
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	87 in_draw = 0;
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	88 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	89 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	90 opengl_renderer::draw (go);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	91 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	92
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	93 int
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	94 glps_renderer::alignment_to_mode (int ha, int va) const
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	95 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	96 int gl2psa=GL2PS_TEXT_BL;
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	97 if (ha == 0)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	98 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	99 if (va == 0 \|\| va == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	100 gl2psa=GL2PS_TEXT_BL;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	101 else if (va == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	102 gl2psa=GL2PS_TEXT_TL;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	103 else if (va == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	104 gl2psa=GL2PS_TEXT_CL;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	105 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	106 else if (ha == 2)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	107 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	108 if (va == 0 \|\| va == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	109 gl2psa=GL2PS_TEXT_BR;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	110 else if (va == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	111 gl2psa=GL2PS_TEXT_TR;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	112 else if (va == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	113 gl2psa=GL2PS_TEXT_CR;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	114 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	115 else if (ha == 1)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	116 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	117 if (va == 0 \|\| va == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	118 gl2psa=GL2PS_TEXT_B;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	119 else if (va == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	120 gl2psa=GL2PS_TEXT_T;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	121 else if (va == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	122 gl2psa=GL2PS_TEXT_C;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	123 }
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	124 return gl2psa;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	125 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	126
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	127 Matrix
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	128 glps_renderer::render_text (const std::string& txt,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	129 double x, double y, double z,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	130 int ha, int va, double rotation)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	131 {
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	132 if (txt.empty ())
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	133 return Matrix (1, 4, 0.0);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	134
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	135 glRasterPos3d (x, y, z);
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	136 gl2psTextOpt (txt.c_str (), fontname.c_str (), fontsize,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	137 alignment_to_mode (ha, va), rotation);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	138
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	139 // FIXME? -- we have no way of getting a bounding box from gl2ps, so
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	140 // we use freetype
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	141 Matrix bbox;
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	142 uint8NDArray pixels;
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	143 text_to_pixels (txt, pixels, bbox, 0, 0, rotation);
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	144 return bbox;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	145 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	146
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	147 void
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	148 glps_renderer::set_font (const base_properties& props)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	149 {
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	150 opengl_renderer::set_font (props);
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	151
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	152 fontsize = props.get ("fontsize").double_value ();
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	153
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	154 caseless_str fn = props.get ("fontname").string_value ();
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	155 fontname = "";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	156 if (fn == "times" \|\| fn == "times-roman")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	157 fontname = "Times-Roman";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	158 else if (fn == "courier")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	159 fontname = "Courier";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	160 else if (fn == "symbol")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	161 fontname = "Symbol";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	162 else if (fn == "zapfdingbats")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	163 fontname = "ZapfDingbats";
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	164 else
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	165 fontname = "Helvetica";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	166
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	167 // FIXME -- add support for bold and italic
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	168 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	169
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	170 template <typename T>
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	171 static void
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	172 draw_pixels (GLsizei w, GLsizei h, GLenum format, const T *data)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	173 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	174 OCTAVE_LOCAL_BUFFER (GLfloat, a, 3wh);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	175
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	176 for (int i = 0; i < 3wh; i++)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	177 a[i] = data[i];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	178
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	179 gl2psDrawPixels (w, h, 0, 0, format, GL_FLOAT, a);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	180 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	181
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	182 void
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	183 glps_renderer::draw_pixels (GLsizei w, GLsizei h, GLenum format,
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	184 GLenum type, const GLvoid *data)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	185 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	186 if (type == GL_UNSIGNED_SHORT)
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	187 ::draw_pixels (w, h, format, static_cast<const GLushort *> (data));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	188 else if (type == GL_UNSIGNED_BYTE)
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	189 ::draw_pixels (w, h, format, static_cast<const GLubyte *> (data));
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	190 else
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	191 gl2psDrawPixels (w, h, 0, 0, format, type, data);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	192 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	193
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	194 void
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	195 glps_renderer::draw_text (const text::properties& props)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	196 {
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	197 if (props.get_string ().is_empty ())
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	198 return;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	199
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	200 set_font (props);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	201 set_color (props.get_color_rgb ());
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	202
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	203 const Matrix pos = get_transform ().scale (props.get_data_position ());
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	204 int halign = 0, valign = 0;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	205
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	206 if (props.horizontalalignment_is ("center"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	207 halign = 1;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	208 else if (props.horizontalalignment_is ("right"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	209 halign = 2;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	210
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	211 if (props.verticalalignment_is ("top"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	212 valign = 2;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	213 else if (props.verticalalignment_is ("baseline"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	214 valign = 3;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	215 else if (props.verticalalignment_is ("middle"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	216 valign = 1;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	217
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	218 // FIXME: handle margin and surrounding box
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	219
14468 d16638f73691 Modify gl2ps_renderer.cc to properly specificy 2D/3D text object positions. Konstantinos Poulios <logari81@googlemail.com> parents: 14418 diff changeset	220 glRasterPos3d (pos(0), pos(1), pos.numel () > 2 ? pos(2) : 0.0);
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	221
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	222 octave_value string_prop = props.get_string ();
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	223
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	224 string_vector sv = string_prop.all_strings ();
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	225
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	226 std::string s = sv.join ("\n");
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	227
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12965 diff changeset	228 gl2psTextOpt (s.c_str (), fontname.c_str (), fontsize,
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	229 alignment_to_mode (halign, valign), props.get_rotation ());
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	230 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	231
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	232 #endif

Mercurial > hg > octave-nkf

annotate src/gl2ps-renderer.cc @ 14468:d16638f73691