octave: src/txt-eng-ft.cc annotate

annotate src/txt-eng-ft.cc @ 13141:e81ddf9cacd5

maint: untabify and remove trailing whitespace from source files * bicg.m, gmres.m, pkg.m: Untabify and remove trailing whitespace. * libcruft/Makefile.am, libcruft/blas-xtra/cdotc3.f, libcruft/blas-xtra/cmatm3.f, libcruft/blas-xtra/ddot3.f, libcruft/blas-xtra/dmatm3.f, libcruft/blas-xtra/sdot3.f, libcruft/blas-xtra/smatm3.f, libcruft/blas-xtra/zdotc3.f, libcruft/blas-xtra/zmatm3.f, libcruft/lapack-xtra/crsf2csf.f, libcruft/lapack-xtra/zrsf2csf.f, liboctave/Array.cc, liboctave/DASPK-opts.in, liboctave/DASRT-opts.in, liboctave/DASSL-opts.in, liboctave/LSODE-opts.in, liboctave/Makefile.a,mliboctave/Quad-opts.in, liboctave/Sparse-perm-op-defs.h, scripts/Makefile.a,mscripts/deprecated/glpkmex.m, scripts/general/blkdiag.m, scripts/general/interp1.m, scripts/general/profshow.m, scripts/general/quadl.m, scripts/general/triplequad.m, scripts/help/__makeinfo__.m, scripts/io/strread.m, scripts/io/textread.m, scripts/io/textscan.m, scripts/linear-algebra/rank.m, scripts/miscellaneous/gzip.m, scripts/miscellaneous/private/__xzip__.m, scripts/miscellaneous/tempdir.m, scripts/miscellaneous/unpack.m, scripts/pkg/pkg.m, scripts/plot/allchild.m, scripts/plot/ancestor.m, scripts/plot/cla.m, scripts/plot/clf.m, scripts/plot/findall.m, scripts/plot/findobj.m, scripts/plot/gca.m, scripts/plot/gcf.m, scripts/plot/hggroup.m, scripts/plot/isfigure.m, scripts/plot/ishghandle.m, scripts/plot/legend.m, scripts/plot/line.m, scripts/plot/loglog.m, scripts/plot/patch.m, scripts/plot/print.m, scripts/plot/private/__quiver__.m, scripts/plot/private/__scatter__.m, scripts/plot/rectangle.m, scripts/plot/semilogx.m, scripts/plot/semilogy.m, scripts/plot/surface.m, scripts/plot/text.m, scripts/plot/title.m, scripts/plot/trisurf.m, scripts/plot/view.m, scripts/plot/whitebg.m, scripts/plot/xlabel.m, scripts/plot/xlim.m, scripts/plot/ylabel.m, scripts/plot/ylim.m, scripts/plot/zlabel.m, scripts/plot/zlim.m, scripts/polynomial/mkpp.m, scripts/polynomial/polygcd.m, scripts/polynomial/ppint.m, scripts/polynomial/ppjumps.m, scripts/polynomial/ppval.m, scripts/set/setxor.m, scripts/sparse/bicgstab.m, scripts/sparse/cgs.m, scripts/sparse/spconvert.m, scripts/specfun/nthroot.m, scripts/strings/strmatch.m, scripts/strings/untabify.m, scripts/testfun/demo.m, scripts/testfun/example.m, src/DLD-FUNCTIONS/filter.cc, src/DLD-FUNCTIONS/mgorth.cc, src/DLD-FUNCTIONS/quadcc.cc, src/DLD-FUNCTIONS/str2double.cc, src/Makefile.a,msrc/gl-render.cc, src/gl2ps-renderer.cc, src/graphics.cc, src/octave-config.cc.in, src/octave-config.in, src/ov-class.h, src/ov-fcn.h, src/profiler.cc, src/profiler.h, src/pt-binop.cc, src/pt-unop.cc, src/symtab.cc, src/txt-eng-ft.cc: Remove trailing whitespace.

author	John W. Eaton <jwe@octave.org>
date	Thu, 15 Sep 2011 12:51:10 -0400
parents	6fc2c61660f2
children	d2b799e3178a

rev	line source
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1 /*
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11455 diff changeset	3 Copyright (C) 2009-2011 Michael Goffioul
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	4
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	5 This file is part of Octave.
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	6
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	8 under the terms of the GNU General Public License as published by the
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	10 option) any later version.
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	11
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	15 for more details.
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	16
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	17 You should have received a copy of the GNU General Public License
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	18 along with Octave; see the file COPYING. If not, see
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	19 <http://www.gnu.org/licenses/>.
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	20
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	21 */
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	22
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	23 #ifdef HAVE_CONFIG_H
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	24 #include <config.h>
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	25 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	26
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	27 #if HAVE_FREETYPE
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	28
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	29 #if HAVE_FONTCONFIG
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	30 #include <fontconfig/fontconfig.h>
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	31 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	32
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	33 #include <iostream>
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	34
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	35 #include "error.h"
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	36 #include "pr-output.h"
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	37 #include "txt-eng-ft.h"
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	38
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	39 class
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	40 ft_manager
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	41 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	42 public:
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	43 static bool instance_ok (void)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	44 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	45 bool retval = true;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	46
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	47 if (! instance)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	48 instance = new ft_manager ();
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	49
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	50 if (! instance)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	51 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	52 ::error ("unable to create ft_manager!");
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	53
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	54 retval = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	55 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	56
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	57 return retval;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	58 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	59
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	60 static FT_Face get_font (const std::string& name, const std::string& weight,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	61 const std::string& angle, double size)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	62 { return (instance_ok ()
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	63 ? instance->do_get_font (name, weight, angle, size)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	64 : 0); }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	65
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	66 private:
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	67
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	68 static ft_manager *instance;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	69
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	70 private:
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	71
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	72 // No copying!
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	73
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	74 ft_manager (const ft_manager&);
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	75
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	76 ft_manager& operator = (const ft_manager&);
f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	77
12225 cb4ac5e4d987 txt-eng-ft.cc (ft_manager::ft_manager): omit fc_init_done from init list if fontconfig is missing John W. Eaton <jwe@octave.org> parents: 12123 diff changeset	78 ft_manager (void) : library ()
cb4ac5e4d987 txt-eng-ft.cc (ft_manager::ft_manager): omit fc_init_done from init list if fontconfig is missing John W. Eaton <jwe@octave.org> parents: 12123 diff changeset	79 #if HAVE_FONTCONFIG
cb4ac5e4d987 txt-eng-ft.cc (ft_manager::ft_manager): omit fc_init_done from init list if fontconfig is missing John W. Eaton <jwe@octave.org> parents: 12123 diff changeset	80 , fc_init_done (false)
cb4ac5e4d987 txt-eng-ft.cc (ft_manager::ft_manager): omit fc_init_done from init list if fontconfig is missing John W. Eaton <jwe@octave.org> parents: 12123 diff changeset	81 #endif
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	82 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	83 if (FT_Init_FreeType (&library))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	84 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	85 ::error ("unable to initialize freetype library");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	86 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	87
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	88 #if HAVE_FONTCONFIG
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	89 fc_init_done = false;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	90 if (! FcInit ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	91 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	92 ::error ("unable to initialize fontconfig library");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	93 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	94 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	95 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	96 fc_init_done = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	97 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	98 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	99 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	100
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	101 ~ft_manager (void)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	102 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	103 #if HAVE_FONTCONFIG
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	104 FcFini ();
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	105 fc_init_done = false;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	106 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	107 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	108
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	109 FT_Face do_get_font (const std::string& name, const std::string& weight,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	110 const std::string& angle, double size)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	111 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	112 FT_Face retval = 0;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	113
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	114 std::string file;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	115
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	116 #if HAVE_FONTCONFIG
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	117 if (fc_init_done)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	118 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	119 int fc_weight, fc_angle;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	120
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	121 if (weight == "bold")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	122 fc_weight = FC_WEIGHT_BOLD;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	123 else if (weight == "light")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	124 fc_weight = FC_WEIGHT_LIGHT;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	125 else if (weight == "demi")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	126 fc_weight = FC_WEIGHT_DEMIBOLD;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	127 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	128 fc_weight = FC_WEIGHT_NORMAL;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	129
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	130 if (angle == "italic")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	131 fc_angle = FC_SLANT_ITALIC;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	132 else if (angle == "oblique")
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	133 fc_angle = FC_SLANT_OBLIQUE;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	134 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	135 fc_angle = FC_SLANT_ROMAN;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	136
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	137 FcPattern *pat = FcPatternCreate ();
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	138
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	139 FcPatternAddString (pat, FC_FAMILY,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	140 (reinterpret_cast<const FcChar8*>
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	141 (name == "*" ? "sans" : name.c_str ())));
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	142
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	143 FcPatternAddInteger (pat, FC_WEIGHT, fc_weight);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	144 FcPatternAddInteger (pat, FC_SLANT, fc_angle);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	145 FcPatternAddDouble (pat, FC_PIXEL_SIZE, size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	146
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	147 if (FcConfigSubstitute (0, pat, FcMatchPattern))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	148 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	149 FcResult res;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	150 FcPattern *match;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	151
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	152 FcDefaultSubstitute (pat);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	153 match = FcFontMatch (0, pat, &res);
9833 637fa784d102 Allow more font matches godfrey@isl.Stanford.EDU parents: 9619 diff changeset	154
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	155 // FIXME -- originally, this test also required that
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	156 // res != FcResultNoMatch. Is that really needed?
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	157 if (match)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	158 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	159 unsigned char *tmp;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	160
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	161 FcPatternGetString (match, FC_FILE, 0, &tmp);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	162 file = reinterpret_cast<char*> (tmp);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	163 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	164 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	165 ::warning ("could not match any font: %s-%s-%s-%g",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	166 name.c_str (), weight.c_str (), angle.c_str (),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	167 size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	168
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	169 if (match)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	170 FcPatternDestroy (match);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	171 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	172
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	173 FcPatternDestroy (pat);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	174 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	175 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	176
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	177 if (file.empty ())
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	178 {
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	179 #ifdef __WIN32__
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	180 file = "C:/WINDOWS/Fonts/verdana.ttf";
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	181 #else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	182 // FIXME: find a "standard" font for UNIX platforms
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	183 #endif
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	184 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	185
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	186 if (! file.empty () && FT_New_Face (library, file.c_str (), 0, &retval))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	187 ::warning ("ft_manager: unable to load font: %s", file.c_str ());
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	188
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	189 return retval;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	190 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	191
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	192 private:
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	193 FT_Library library;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	194 #if HAVE_FONTCONFIG
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	195 bool fc_init_done;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	196 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	197 };
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	198
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	199 ft_manager* ft_manager::instance = 0;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	200
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	201 // ---------------------------------------------------------------------------
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	202
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	203 ft_render::ft_render (void)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	204 : text_processor (), face (0), bbox (1, 4, 0.0),
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	205 xoffset (0), yoffset (0), multiline_halign (0),
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	206 multiline_align_xoffsets(), mode (MODE_BBOX),
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	207 red (0), green (0), blue (0)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	208 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	209 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	210
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	211 ft_render::~ft_render (void)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	212 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	213 if (face)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	214 FT_Done_Face (face);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	215 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	216
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	217 void
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	218 ft_render::set_font (const std::string& name, const std::string& weight,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	219 const std::string& angle, double size)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	220 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	221 if (face)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	222 FT_Done_Face (face);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	223
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	224 // FIXME: take "fontunits" into account
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	225 face = ft_manager::get_font (name, weight, angle, size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	226
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	227 if (face)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	228 {
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	229 if (FT_Set_Char_Size (face, 0, size*64, 0, 0))
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	230 ::warning ("ft_render: unable to set font size to %d", size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	231 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	232 else
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	233 ::warning ("ft_render: unable to load appropriate font");
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	234 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	235
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	236 void
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	237 ft_render::set_mode (int m)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	238 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	239 mode = m;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	240
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	241 switch (mode)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	242 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	243 case MODE_BBOX:
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	244 xoffset = yoffset = 0;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	245 bbox = Matrix (1, 4, 0.0);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	246 break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	247 case MODE_RENDER:
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	248 if (bbox.numel () != 4)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	249 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	250 ::warning ("ft_render: invalid bounding box, cannot render");
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	251
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	252 xoffset = yoffset = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	253 pixels = uint8NDArray ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	254 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	255 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	256 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	257 pixels = uint8NDArray (dim_vector (4, bbox(2), bbox(3)),
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	258 static_cast<uint8_t> (0));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	259 xoffset = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	260 yoffset = -bbox(1)-1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	261 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	262 break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	263 default:
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	264 ::error ("ft_render: invalid mode `%d'", mode);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	265 break;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	266 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	267 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	268
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	269 void
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	270 ft_render::visit (text_element_string& e)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	271 {
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	272 if (face)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	273 {
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	274 int line_index = 0;
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	275 FT_UInt box_line_width = 0;
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	276 std::string str = e.string_value ();
2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	277 FT_UInt glyph_index, previous = 0;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	278
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	279 if (mode == MODE_BBOX)
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	280 multiline_align_xoffsets.clear();
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	281 else if (mode == MODE_RENDER)
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	282 xoffset += multiline_align_xoffsets[line_index];
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	283
10553 f88e3d5d88e2 avoid GCC warnings John W. Eaton <jwe@octave.org> parents: 10402 diff changeset	284 for (size_t i = 0; i < str.length (); i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	285 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	286 glyph_index = FT_Get_Char_Index (face, str[i]);
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	287
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	288 if (str[i] != '\n'
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	289 && (! glyph_index
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	290 \|\| FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	291 ::warning ("ft_render: skipping missing glyph for character `%c'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	292 str[i]);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	293 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	294 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	295 switch (mode)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	296 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	297 case MODE_RENDER:
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	298 if (str[i] == '\n')
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	299 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	300 glyph_index = FT_Get_Char_Index(face, ' ');
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	301 if (!glyph_index \|\| FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	302 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	303 ::warning ("ft_render: skipping missing glyph for character ` '");
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	304 }
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	305 else
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	306 {
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	307 line_index++;
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	308 xoffset = multiline_align_xoffsets[line_index];
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	309 yoffset -= (face->size->metrics.height >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	310 }
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	311 }
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	312 else if (FT_Render_Glyph (face->glyph, FT_RENDER_MODE_NORMAL))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	313 ::warning ("ft_render: unable to render glyph for character `%c'",
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	314 str[i]);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	315 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	316 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	317 FT_Bitmap& bitmap = face->glyph->bitmap;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	318 int x0, y0;
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	319
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	320 if (previous)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	321 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	322 FT_Vector delta;
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	323
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	324 FT_Get_Kerning (face, previous, glyph_index, FT_KERNING_DEFAULT, &delta);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	325 xoffset += (delta.x >> 6);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	326 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	327
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	328 x0 = xoffset+face->glyph->bitmap_left;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	329 y0 = yoffset+face->glyph->bitmap_top;
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	330
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	331 // 'w' seems to have a negative -1
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	332 // face->glyph->bitmap_left, this is so we don't
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	333 // index out of bound, and assumes we we allocated
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	334 // the right amount of horizontal space in the bbox.
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	335 if (x0 < 0)
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	336 x0 = 0;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	337
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	338 for (int r = 0; r < bitmap.rows; r++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	339 for (int c = 0; c < bitmap.width; c++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	340 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	341 unsigned char pix = bitmap.buffer[r*bitmap.width+c];
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	342 if (x0+c < 0 \|\| x0+c >= pixels.dim2()
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	343 \|\| y0-r < 0 \|\| y0-r >= pixels.dim3())
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	344 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	345 //::error ("out-of-bound indexing!!");
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	346 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	347 else if (pixels(3, x0+c, y0-r).value () == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	348 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	349 pixels(0, x0+c, y0-r) = red;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	350 pixels(1, x0+c, y0-r) = green;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	351 pixels(2, x0+c, y0-r) = blue;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	352 pixels(3, x0+c, y0-r) = pix;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	353 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	354 }
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	355
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	356 xoffset += (face->glyph->advance.x >> 6);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	357 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	358 break;
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	359
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	360 case MODE_BBOX:
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	361 if (str[i] == '\n')
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	362 {
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	363 glyph_index = FT_Get_Char_Index(face, ' ');
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	364 if (! glyph_index
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	365 \|\| FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	366 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	367 ::warning ("ft_render: skipping missing glyph for character ` '");
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	368 }
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	369 else
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	370 {
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	371 multiline_align_xoffsets.push_back(box_line_width);
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	372 // Reset the pixel width for this newline, so we don't
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	373 // allocate a bounding box larger than the horizontal
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	374 // width of the multi-line
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	375 box_line_width = 0;
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	376 bbox(1) -= (face->size->metrics.height >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	377 }
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	378 }
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	379 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	380 {
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	381 // width
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	382 if (previous)
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	383 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	384 FT_Vector delta;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	385
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	386 FT_Get_Kerning (face, previous, glyph_index,
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	387 FT_KERNING_DEFAULT, &delta);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	388
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	389 box_line_width += (delta.x >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	390 }
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	391
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	392 box_line_width += (face->glyph->advance.x >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	393
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	394 int asc, desc;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	395
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	396 if (false /tight/)
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	397 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	398 desc = face->glyph->metrics.horiBearingY - face->glyph->metrics.height;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	399 asc = face->glyph->metrics.horiBearingY;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	400 }
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	401 else
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	402 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	403 asc = face->size->metrics.ascender;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	404 desc = face->size->metrics.descender;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	405 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	406
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	407 asc = yoffset + (asc >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	408 desc = yoffset + (desc >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	409
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	410 if (desc < bbox(1))
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	411 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	412 bbox(3) += (bbox(1) - desc);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	413 bbox(1) = desc;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	414 }
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	415 if (asc > (bbox(3)+bbox(1)))
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	416 bbox(3) = asc-bbox(1);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	417 if (bbox(2) < box_line_width)
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	418 bbox(2) = box_line_width;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	419 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	420 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	421 }
12965 22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	422 if (str[i] == '\n')
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	423 previous = 0;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	424 else
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices Ben Abbott <bpabbott@mac.com> parents: 12334 diff changeset	425 previous = glyph_index;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	426 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	427 }
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	428 if (mode == MODE_BBOX)
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	429 {
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	430 /* Push last the width associated with the last line */
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	431 multiline_align_xoffsets.push_back(box_line_width);
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	432
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	433 for (unsigned int i = 0; i < multiline_align_xoffsets.size(); i++)
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	434 {
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	435 /* Center align */
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	436 if (multiline_halign == 1)
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	437 multiline_align_xoffsets[i] = (bbox(2) - multiline_align_xoffsets[i])/2;
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	438 /* Right align */
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	439 else if (multiline_halign == 2)
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	440 multiline_align_xoffsets[i] = (bbox(2) - multiline_align_xoffsets[i]);
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	441 /* Left align */
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	442 else
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	443 multiline_align_xoffsets[i] = 0;
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	444 }
6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	445 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	446 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	447 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	448
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	449 void
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	450 ft_render::reset (void)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	451 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	452 set_mode (MODE_BBOX);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	453 set_color (Matrix (1, 3, 0.0));
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	454 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	455
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	456 void
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	457 ft_render::set_color (Matrix c)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	458 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	459 if (c.numel () == 3)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	460 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	461 red = static_cast<uint8_t> (c(0)*255);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	462 green = static_cast<uint8_t> (c(1)*255);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	463 blue = static_cast<uint8_t> (c(2)*255);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	464 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	465 else
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	466 ::warning ("ft_render::set_color: invalid color");
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	467 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	468
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	469 uint8NDArray
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	470 ft_render::render (text_element* elt, Matrix& box, int rotation)
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	471 {
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	472 set_mode (MODE_BBOX);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	473 elt->accept (*this);
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	474 box = bbox;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	475
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	476 set_mode (MODE_RENDER);
9406 c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	477 if (pixels.numel () > 0)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	478 {
9406 c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	479 elt->accept (*this);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	480
9406 c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	481 switch (rotation)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	482 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	483 case ROTATION_0:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	484 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	485 case ROTATION_90:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	486 {
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	487 Array<octave_idx_type> perm (dim_vector (3, 1));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	488 perm(0) = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	489 perm(1) = 2;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	490 perm(2) = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	491 pixels = pixels.permute (perm);
9406 c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	492
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	493 Array<idx_vector> idx (dim_vector (3, 1));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	494 idx(0) = idx_vector (':');
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	495 idx(1) = idx_vector (pixels.dim2()-1, -1, -1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	496 idx(2) = idx_vector (':');
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	497 pixels = uint8NDArray (pixels.index (idx));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	498 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	499 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	500 case ROTATION_180:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	501 {
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	502 Array<idx_vector> idx (dim_vector (3, 1));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	503 idx(0) = idx_vector (':');
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	504 idx(1) = idx_vector (pixels.dim2()-1, -1, -1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	505 idx(2)= idx_vector (pixels.dim3()-1, -1, -1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	506 pixels = uint8NDArray (pixels.index (idx));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	507 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	508 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	509 case ROTATION_270:
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	510 {
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	511 Array<octave_idx_type> perm (dim_vector (3, 1));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	512 perm(0) = 0;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	513 perm(1) = 2;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	514 perm(2) = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	515 pixels = pixels.permute (perm);
9406 c0c23dbbade7 Improve error handling in text rendering. Michael Goffioul <michael.goffioul@gmail.com> parents: 9405 diff changeset	516
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	517 Array<idx_vector> idx (dim_vector (3, 1));
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	518 idx(0) = idx_vector (':');
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	519 idx(1) = idx_vector (':');
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	520 idx(2) = idx_vector (pixels.dim3()-1, -1, -1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	521 pixels = uint8NDArray (pixels.index (idx));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	522 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	523 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 9833 diff changeset	524 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	525 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	526
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	527 return pixels;
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	528 }
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	529
10402 9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	530 Matrix
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	531 ft_render::get_extent (text_element *elt, double rotation)
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	532 {
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	533 set_mode (MODE_BBOX);
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	534 elt->accept (*this);
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	535
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	536 Matrix extent (1, 2, 0.0);
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	537
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	538 switch (rotation_to_mode (rotation))
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	539 {
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	540 case ROTATION_0:
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	541 case ROTATION_180:
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	542 extent(0) = bbox(2);
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	543 extent(1) = bbox(3);
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	544 break;
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	545 case ROTATION_90:
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	546 case ROTATION_270:
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	547 extent(0) = bbox(3);
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	548 extent(1) = bbox(2);
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	549 }
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	550
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	551 return extent;
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	552 }
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	553
12334 63dc132a1000 Move axes labels and title positioning to axes::properties Konstantinos Poulios <logari81@gmail.com> parents: 12225 diff changeset	554 Matrix
63dc132a1000 Move axes labels and title positioning to axes::properties Konstantinos Poulios <logari81@gmail.com> parents: 12225 diff changeset	555 ft_render::get_extent (const std::string& txt, double rotation)
63dc132a1000 Move axes labels and title positioning to axes::properties Konstantinos Poulios <logari81@gmail.com> parents: 12225 diff changeset	556 {
63dc132a1000 Move axes labels and title positioning to axes::properties Konstantinos Poulios <logari81@gmail.com> parents: 12225 diff changeset	557 text_element *elt = text_parser_none ().parse (txt);
63dc132a1000 Move axes labels and title positioning to axes::properties Konstantinos Poulios <logari81@gmail.com> parents: 12225 diff changeset	558 Matrix extent = get_extent (elt, rotation);
63dc132a1000 Move axes labels and title positioning to axes::properties Konstantinos Poulios <logari81@gmail.com> parents: 12225 diff changeset	559 delete elt;
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	560
12334 63dc132a1000 Move axes labels and title positioning to axes::properties Konstantinos Poulios <logari81@gmail.com> parents: 12225 diff changeset	561 return extent;
63dc132a1000 Move axes labels and title positioning to axes::properties Konstantinos Poulios <logari81@gmail.com> parents: 12225 diff changeset	562 }
63dc132a1000 Move axes labels and title positioning to axes::properties Konstantinos Poulios <logari81@gmail.com> parents: 12225 diff changeset	563
10402 9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	564 int
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	565 ft_render::rotation_to_mode (double rotation) const
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	566 {
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	567 if (rotation == 0.0)
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	568 return ROTATION_0;
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	569 else if (rotation == 90.0)
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	570 return ROTATION_90;
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	571 else if (rotation == 180.0)
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	572 return ROTATION_180;
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	573 else if (rotation == 270.0)
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	574 return ROTATION_270;
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	575 else
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	576 return ROTATION_0;
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	577 }
9f2bf537a651 Implement text extent property Michael Goffioul <michael.goffioul@gmail.com> parents: 10350 diff changeset	578
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	579 void
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	580 ft_render::text_to_pixels (const std::string& txt,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	581 uint8NDArray& pixels_, Matrix& box,
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	582 int halign, int valign, double rotation)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	583 {
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	584 // FIXME: clip "rotation" between 0 and 360
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	585 int rot_mode = rotation_to_mode (rotation);
13141 e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 12969 diff changeset	586
12969 6fc2c61660f2 Native multi-line text alignment. Vanya Sergeev <vsergeev@gmail.com> parents: 12965 diff changeset	587 multiline_halign = halign;
11455 2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	588
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	589 text_element *elt = text_parser_none ().parse (txt);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	590 pixels_ = render (elt, box, rot_mode);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	591 delete elt;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	592
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	593 if (pixels_.numel () == 0)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	594 {
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	595 // nothing to render
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	596 return;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	597 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	598
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	599 switch (halign)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	600 {
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	601 default: box(0) = 0; break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	602 case 1: box(0) = -box(2)/2; break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	603 case 2: box(0) = -box(2); break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	604 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	605 switch (valign)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	606 {
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	607 default: box(1) = 0; break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	608 case 1: box(1) = -box(3)/2; break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	609 case 2: box(1) = -box(3); break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	610 case 3: break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	611 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	612
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	613 switch (rot_mode)
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	614 {
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	615 case ROTATION_90:
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	616 std::swap (box(0), box(1));
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	617 std::swap (box(2), box(3));
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	618 box(0) = -box(0)-box(2);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	619 break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	620 case ROTATION_180:
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	621 box(0) = -box(0)-box(2);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	622 box(1) = -box(1)-box(3);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	623 break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	624 case ROTATION_270:
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	625 std::swap (box(0), box(1));
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	626 std::swap (box(2), box(3));
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	627 box(1) = -box(1)-box(3);
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	628 break;
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	629 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	630 }
2be9e22796d2 improvements in text-extent calculation Konstantinos Poulios <logari81@googlemail.com> parents: 10553 diff changeset	631
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	632 #endif // HAVE_FREETYPE

Mercurial > octave

annotate src/txt-eng-ft.cc @ 13141:e81ddf9cacd5