octave: src/gl2ps-renderer.cc annotate

annotate src/gl2ps-renderer.cc @ 14389:6b2448555bbd

Fix Z-order stacking of axis background for FLTK printing (bug #35559) * __fltk_print__.m: Pass a 2D option to gl2ps renderer. * gl2ps-renderer.cc (draw): Switch sort order for passing objects to renderer based on 2D option.

author	Rik <octave@nomad.inbox5.com>
date	Tue, 21 Feb 2012 14:04:05 -0800
parents	81ee6b12adbc
children	933101fd5cbb

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
10955 2786e3b7072e gl2ps print to fid instead of filename Shai Ayal <shaiay@users.sourceforge.net> parents: 10857 diff changeset	46 FILE *fp = fdopen (fid, "wb");
12322 11427f71699b gl2ps-renderer.cc (glps_renderer::draw): return immediately if fdopen fails Michael Godfrey <godfrey@isl.stanford.edu> parents: 11586 diff changeset	47
11427f71699b gl2ps-renderer.cc (glps_renderer::draw): return immediately if fdopen fails Michael Godfrey <godfrey@isl.stanford.edu> parents: 11586 diff changeset	48 if (! fp)
11427f71699b gl2ps-renderer.cc (glps_renderer::draw): return immediately if fdopen fails Michael Godfrey <godfrey@isl.stanford.edu> parents: 11586 diff changeset	49 {
11427f71699b gl2ps-renderer.cc (glps_renderer::draw): return immediately if fdopen fails Michael Godfrey <godfrey@isl.stanford.edu> parents: 11586 diff changeset	50 error ("gl2ps-renderer: fdopen failed");
11427f71699b gl2ps-renderer.cc (glps_renderer::draw): return immediately if fdopen fails Michael Godfrey <godfrey@isl.stanford.edu> parents: 11586 diff changeset	51 return;
11427f71699b gl2ps-renderer.cc (glps_renderer::draw): return immediately if fdopen fails Michael Godfrey <godfrey@isl.stanford.edu> parents: 11586 diff changeset	52 }
11427f71699b gl2ps-renderer.cc (glps_renderer::draw): return immediately if fdopen fails Michael Godfrey <godfrey@isl.stanford.edu> parents: 11586 diff changeset	53
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	54 GLint buffsize = 0, state = GL2PS_OVERFLOW;
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	55 GLint viewport[4];
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	56
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	57 glGetIntegerv (GL_VIEWPORT, viewport);
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	58
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	59 GLint gl2ps_term;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	60 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	61 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	62 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	63 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	64 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	65 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	66 else
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	67 {
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	68 error ("gl2ps-renderer:: Unknown terminal");
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	69 return;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	70 }
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	71
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	72 GLint gl2ps_text = 0;
2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	73 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	74
14389 6b2448555bbd Fix Z-order stacking of axis background for FLTK printing (bug #35559) Rik <octave@nomad.inbox5.com> parents: 14203 diff changeset	75 // 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	76 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	77 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	78
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	79 while (state == GL2PS_OVERFLOW)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	80 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	81 buffsize += 1024*1024;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	82 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	83 gl2ps_term, gl2ps_sort,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	84 (GL2PS_SILENT \| GL2PS_SIMPLE_LINE_OFFSET
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	85 \| 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	86 \| GL2PS_BEST_ROOT \| gl2ps_text
81ee6b12adbc Disable the PS Level 3 shading feature in gl2ps. Ben Abbott <bpabbott@mac.com> parents: 14138 diff changeset	87 \| GL2PS_NO_PS3_SHADING),
10857 2224236440c0 add more terminal types to gl2ps-renderer Shai Ayal <shaiay@users.sourceforge.net> parents: 10464 diff changeset	88 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	89 buffsize, fp, "" );
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	90
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	91 opengl_renderer::draw (go);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	92 state = gl2psEndPage ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	93 }
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	94
10464 2da43cfcd414 tag call to fclose with gnulib:: John W. Eaton <jwe@octave.org> parents: 10315 diff changeset	95 gnulib::fclose (fp);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	96
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	97 in_draw = 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 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	100 opengl_renderer::draw (go);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	101 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	102
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	103 int
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	104 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	105 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	106 int gl2psa=GL2PS_TEXT_BL;
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	107 if (ha == 0)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	108 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	109 if (va == 0 \|\| va == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	110 gl2psa=GL2PS_TEXT_BL;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	111 else if (va == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	112 gl2psa=GL2PS_TEXT_TL;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	113 else if (va == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	114 gl2psa=GL2PS_TEXT_CL;
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 else if (ha == 2)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	117 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	118 if (va == 0 \|\| va == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	119 gl2psa=GL2PS_TEXT_BR;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	120 else if (va == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	121 gl2psa=GL2PS_TEXT_TR;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	122 else if (va == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	123 gl2psa=GL2PS_TEXT_CR;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	124 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	125 else if (ha == 1)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	126 {
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	127 if (va == 0 \|\| va == 3)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	128 gl2psa=GL2PS_TEXT_B;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	129 else if (va == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	130 gl2psa=GL2PS_TEXT_T;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	131 else if (va == 1)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	132 gl2psa=GL2PS_TEXT_C;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	133 }
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	134 return gl2psa;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	135 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	136
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	137 Matrix
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	138 glps_renderer::render_text (const std::string& txt,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	139 double x, double y, double z,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	140 int ha, int va, double rotation)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	141 {
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	142 if (txt.empty ())
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	143 return Matrix (1, 4, 0.0);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	144
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	145 glRasterPos3d (x, y, z);
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	146 gl2psTextOpt (txt.c_str (), fontname.c_str (), fontsize,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	147 alignment_to_mode (ha, va), rotation);
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	148
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	149 // 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	150 // we use freetype
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	151 Matrix bbox;
92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	152 uint8NDArray pixels;
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	153 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	154 return bbox;
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	155 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	156
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	157 void
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	158 glps_renderer::set_font (const base_properties& props)
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	159 {
9834 92d8f35ff217 compute bounding boxes for text in opengl graphics backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9798 diff changeset	160 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	161
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	162 fontsize = props.get ("fontsize").double_value ();
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	163
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	164 caseless_str fn = props.get ("fontname").string_value ();
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	165 fontname = "";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	166 if (fn == "times" \|\| fn == "times-roman")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	167 fontname = "Times-Roman";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	168 else if (fn == "courier")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	169 fontname = "Courier";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	170 else if (fn == "symbol")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	171 fontname = "Symbol";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	172 else if (fn == "zapfdingbats")
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	173 fontname = "ZapfDingbats";
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	174 else
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	175 fontname = "Helvetica";
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	176
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	177 // FIXME -- add support for bold and italic
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	178 }
2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	179
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	180 template <typename T>
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	181 static void
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	182 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	183 {
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	184 OCTAVE_LOCAL_BUFFER (GLfloat, a, 3wh);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	185
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	186 for (int i = 0; i < 3wh; i++)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	187 a[i] = data[i];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	188
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	189 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	190 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	191
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	192 void
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	193 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	194 GLenum type, const GLvoid *data)
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	195 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	196 if (type == GL_UNSIGNED_SHORT)
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	197 ::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	198 else if (type == GL_UNSIGNED_BYTE)
9950 7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	199 ::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	200 else
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	201 gl2psDrawPixels (w, h, 0, 0, format, type, data);
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	202 }
7dedfd70dd9f image printing for fltk backend Shai Ayal <shaiay@users.sourceforge.net> parents: 9834 diff changeset	203
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	204 void
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	205 glps_renderer::draw_text (const text::properties& props)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	206 {
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	207 if (props.get_string ().is_empty ())
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	208 return;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	209
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	210 set_font (props);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	211 set_color (props.get_color_rgb ());
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	212
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	213 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	214 int halign = 0, valign = 0;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	215
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	216 if (props.horizontalalignment_is ("center"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	217 halign = 1;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	218 else if (props.horizontalalignment_is ("right"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	219 halign = 2;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	220
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	221 if (props.verticalalignment_is ("top"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	222 valign = 2;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	223 else if (props.verticalalignment_is ("baseline"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	224 valign = 3;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	225 else if (props.verticalalignment_is ("middle"))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	226 valign = 1;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	227
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	228 // FIXME: handle margin and surrounding box
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	229
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	230 glRasterPos3d (pos(0), pos(1), pos(2));
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	231
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	232 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	233
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	234 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	235
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12322 diff changeset	236 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	237
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12965 diff changeset	238 gl2psTextOpt (s.c_str (), fontname.c_str (), fontsize,
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	239 alignment_to_mode (halign, valign), props.get_rotation ());
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	240 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10955 diff changeset	241
9798 2d6a5af744b6 printing for fltk backend using gl2ps Shai Ayal <shaiay@users.sourceforge.net> parents: diff changeset	242 #endif

Mercurial > octave

annotate src/gl2ps-renderer.cc @ 14389:6b2448555bbd