octave-nkf: libinterp/corefcn/gl2ps-renderer.cc annotate

annotate libinterp/corefcn/gl2ps-renderer.cc @ 18821:652d9ed6f88d

Fix printing of axis grid lines above/below line objects based on "layer". * gl2ps-renderer.cc (draw): For 2D plots, use GL2PS_SIMPLE_SORT for Z-depth sorting rather than GL2PS_NO_SORT which does no calculation whatsoever.

author	Rik <rik@octave.org>
date	Wed, 23 Apr 2014 11:01:30 -0700
parents	6a71e5030df5
children	78fac67300e8

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
17744 d63878346099 maint: Update copyright notices for release. John W. Eaton <jwe@octave.org> parents: 16892 diff changeset	3 Copyright (C) 2009-2013 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
17797 06a850f83dd4 build: Remove embedded gl2ps. Require gl2ps as external dependency. Rik <rik@octave.org> parents: 17787 diff changeset	27 #ifdef HAVE_GL2PS_H
9798 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
16732 3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	38 glps_renderer::draw (const graphics_object& go, const std::string print_cmd)
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;
16732 3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	41 static std::string old_print_cmd;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	42
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	43 if (!in_draw)
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	44 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	45 in_draw = true;
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	46
18099 6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17861 diff changeset	47 GLint buffsize = 0;
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17861 diff changeset	48 GLint state = GL2PS_OVERFLOW;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	49 GLint viewport[4];
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	50
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	51 glGetIntegerv (GL_VIEWPORT, viewport);
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	52
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	53 GLint gl2ps_term;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	54 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	55 else if (term.find ("pdf") != std::string::npos) gl2ps_term = GL2PS_PDF;
18821 652d9ed6f88d Fix printing of axis grid lines above/below line objects based on "layer". Rik <rik@octave.org> parents: 18099 diff changeset	56 else if (term.find ("ps") != std::string::npos) gl2ps_term = GL2PS_PS;
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	57 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	58 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	59 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	60 else
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	61 {
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	62 error ("gl2ps-renderer:: Unknown terminal");
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	63 return;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	64 }
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	65
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	66 GLint gl2ps_text = 0;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	67 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	68
14389 6b2448555bbd Fix Z-order stacking of axis background for FLTK printing (bug #35559) Rik <octave@nomad.inbox5.com> parents: 14203 diff changeset	69 // 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	70 GLint gl2ps_sort = GL2PS_BSP_SORT;
18821 652d9ed6f88d Fix printing of axis grid lines above/below line objects based on "layer". Rik <rik@octave.org> parents: 18099 diff changeset	71 // For 2D plots we can use a simpler Z-depth sorting algorithm
652d9ed6f88d Fix printing of axis grid lines above/below line objects based on "layer". Rik <rik@octave.org> parents: 18099 diff changeset	72 if (term.find ("is2D") != std::string::npos)
652d9ed6f88d Fix printing of axis grid lines above/below line objects based on "layer". Rik <rik@octave.org> parents: 18099 diff changeset	73 gl2ps_sort = GL2PS_SIMPLE_SORT;
14389 6b2448555bbd Fix Z-order stacking of axis background for FLTK printing (bug #35559) Rik <octave@nomad.inbox5.com> parents: 14203 diff changeset	74
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	75 while (state == GL2PS_OVERFLOW)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	76 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	77 // For LaTeX output the fltk print process uses 2 drawnow() commands.
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	78 // The first one is for the pdf/ps/eps graph to be included. The
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	79 // print_cmd is saved as old_print_cmd. Then the second drawnow()
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	80 // outputs the tex-file and the graphic filename to be included is
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	81 // extracted from old_print_cmd.
16732 3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	82 std::string include_graph;
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	83 std::size_t found_redirect = old_print_cmd.find (">");
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	84 if (found_redirect != std::string::npos)
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	85 include_graph = old_print_cmd.substr (found_redirect + 1);
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	86 else
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	87 include_graph = old_print_cmd;
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	88 std::size_t n_begin = include_graph.find_first_not_of (" ");
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	89 if (n_begin != std::string::npos)
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	90 {
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	91 std::size_t n_end = include_graph.find_last_not_of (" ");
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	92 include_graph = include_graph.substr (n_begin,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	93 n_end - n_begin + 1);
16732 3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	94 }
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	95 else
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	96 include_graph = "foobar-inc";
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	97 buffsize += 1024*1024;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	98 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	99 gl2ps_term, gl2ps_sort,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	100 (GL2PS_SILENT \| GL2PS_SIMPLE_LINE_OFFSET
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	101 \| 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	102 \| GL2PS_BEST_ROOT \| gl2ps_text
81ee6b12adbc Disable the PS Level 3 shading feature in gl2ps. Ben Abbott <bpabbott@mac.com> parents: 14138 diff changeset	103 \| GL2PS_NO_PS3_SHADING),
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	104 GL_RGBA, 0, NULL, 0, 0, 0,
16732 3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	105 buffsize, fp, include_graph.c_str ());
3806afcf974a Include graphics image file name in latex file for {eps,pdf,ps}latex output. Ben Abbott <bpabbott@mac.com> parents: 15195 diff changeset	106 old_print_cmd = print_cmd;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	107 opengl_renderer::draw (go);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	108 state = gl2psEndPage ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	109 }
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	110
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	111 in_draw = 0;
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	112 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	113 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	114 opengl_renderer::draw (go);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	115 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	116
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	117 int
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	118 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	119 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	120 int gl2psa=GL2PS_TEXT_BL;
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	121 if (ha == 0)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	122 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	123 if (va == 0 \|\| va == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	124 gl2psa=GL2PS_TEXT_BL;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	125 else if (va == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	126 gl2psa=GL2PS_TEXT_TL;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	127 else if (va == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	128 gl2psa=GL2PS_TEXT_CL;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	129 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	130 else if (ha == 2)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	131 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	132 if (va == 0 \|\| va == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	133 gl2psa=GL2PS_TEXT_BR;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	134 else if (va == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	135 gl2psa=GL2PS_TEXT_TR;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	136 else if (va == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	137 gl2psa=GL2PS_TEXT_CR;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	138 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	139 else if (ha == 1)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	140 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	141 if (va == 0 \|\| va == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	142 gl2psa=GL2PS_TEXT_B;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	143 else if (va == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	144 gl2psa=GL2PS_TEXT_T;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	145 else if (va == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	146 gl2psa=GL2PS_TEXT_C;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	147 }
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	148 return gl2psa;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	149 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	150
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	151 Matrix
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	152 glps_renderer::render_text (const std::string& txt,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	153 double x, double y, double z,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	154 int ha, int va, double rotation)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	155 {
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	156 if (txt.empty ())
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	157 return Matrix (1, 4, 0.0);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	158
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	159 glRasterPos3d (x, y, z);
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	160 gl2psTextOpt (txt.c_str (), fontname.c_str (), fontsize,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	161 alignment_to_mode (ha, va), rotation);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	162
17861 870f3e12e163 maint: Use phrase "FIXME:" for problem areas in code. Rik <rik@octave.org> parents: 17797 diff changeset	163 // FIXME?
870f3e12e163 maint: Use phrase "FIXME:" for problem areas in code. Rik <rik@octave.org> parents: 17797 diff changeset	164 // We have no way of getting a bounding box from gl2ps, so we use freetype.
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	165 Matrix bbox;
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	166 uint8NDArray pixels;
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	167 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	168 return bbox;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	169 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	170
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	171 void
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	172 glps_renderer::set_font (const base_properties& props)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	173 {
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	174 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	175
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	176 fontsize = props.get ("fontsize").double_value ();
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	177
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	178 caseless_str fn = props.get ("fontname").string_value ();
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	179 fontname = "";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	180 if (fn == "times" \|\| fn == "times-roman")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	181 fontname = "Times-Roman";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	182 else if (fn == "courier")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	183 fontname = "Courier";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	184 else if (fn == "symbol")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	185 fontname = "Symbol";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	186 else if (fn == "zapfdingbats")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	187 fontname = "ZapfDingbats";
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	188 else
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	189 fontname = "Helvetica";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	190
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	191 // FIXME: add support for bold and italic
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	192 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	193
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	194 template <typename T>
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	195 static void
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	196 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	197 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	198 OCTAVE_LOCAL_BUFFER (GLfloat, a, 3wh);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	199
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	200 for (int i = 0; i < 3wh; i++)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	201 a[i] = data[i];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	202
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	203 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	204 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	205
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	206 void
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	207 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	208 GLenum type, const GLvoid *data)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	209 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	210 if (type == GL_UNSIGNED_SHORT)
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	211 ::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	212 else if (type == GL_UNSIGNED_BYTE)
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	213 ::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	214 else
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	215 gl2psDrawPixels (w, h, 0, 0, format, type, data);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	216 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	217
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	218 void
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	219 glps_renderer::draw_text (const text::properties& props)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	220 {
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 if (props.get_string ().is_empty ())
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	222 return;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	223
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	224 set_font (props);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	225 set_color (props.get_color_rgb ());
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	226
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	227 const Matrix pos = get_transform ().scale (props.get_data_position ());
18099 6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17861 diff changeset	228 int halign = 0;
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17861 diff changeset	229 int valign = 0;
11455 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 if (props.horizontalalignment_is ("center"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	232 halign = 1;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	233 else if (props.horizontalalignment_is ("right"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	234 halign = 2;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	235
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	236 if (props.verticalalignment_is ("top"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	237 valign = 2;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	238 else if (props.verticalalignment_is ("baseline"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	239 valign = 3;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	240 else if (props.verticalalignment_is ("middle"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	241 valign = 1;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	242
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	243 // FIXME: handle margin and surrounding box
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	244
14468 d16638f73691 Modify gl2ps_renderer.cc to properly specificy 2D/3D text object positions. Konstantinos Poulios <logari81@googlemail.com> parents: 14418 diff changeset	245 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	246
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	247 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	248
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	249 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	250
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	251 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	252
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12965 diff changeset	253 gl2psTextOpt (s.c_str (), fontname.c_str (), fontsize,
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	254 alignment_to_mode (halign, valign), props.get_rotation ());
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	255 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	256
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	257 #endif

Mercurial > hg > octave-nkf

annotate libinterp/corefcn/gl2ps-renderer.cc @ 18821:652d9ed6f88d