octave: libinterp/corefcn/ft-text-renderer.cc annotate

annotate libinterp/corefcn/ft-text-renderer.cc @ 29683:5ffe7159f94b

Add substitution font to SVG font stack if necessary * ft-text-rrenderer (ft_text_renderer::process_character): Make "previous" arg mandatory. New std::string& argument "sub_name" to eventually return substitution font name. (ft_text_renderer::visit (text_element_string& e), ft_text_renderer::visit (text_element_symbol& e)): Eventually add subtitution font to the string's family name stack.

author	Pantxo Diribarne <pantxo.diribarne@gmail.com>
date	Sun, 16 May 2021 19:11:15 +0200
parents	7ad7991e946a
children	f148aff802b6

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
29358 0a5b15007766 update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 28483 diff changeset	3 // Copyright (C) 2009-2021 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21568 diff changeset	26 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21209 diff changeset	27 # include "config.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	28 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	29
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	30 #include "base-text-renderer.h"
23462 314d980bee93 maint: Add '#include "XXX.h"' to XXX.cc files. Rik <rik@octave.org> parents: 23457 diff changeset	31 #include "ft-text-renderer.h"
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	32
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	33 #if defined (HAVE_FREETYPE)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	34
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	35 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC)
24444 53ca76c5cc8d maint: Indent pragmas as other preprocessor directives. John W. Eaton <jwe@octave.org> parents: 24126 diff changeset	36 # pragma GCC diagnostic push
53ca76c5cc8d maint: Indent pragmas as other preprocessor directives. John W. Eaton <jwe@octave.org> parents: 24126 diff changeset	37 # pragma GCC diagnostic ignored "-Wold-style-cast"
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	38 #endif
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	39
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	40 #include <ft2build.h>
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	41 #include FT_FREETYPE_H
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	42 #include FT_GLYPH_H
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	43
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	44 #if defined (HAVE_FONTCONFIG)
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21102 diff changeset	45 # include <fontconfig/fontconfig.h>
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	46 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	47
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	48 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC)
24444 53ca76c5cc8d maint: Indent pragmas as other preprocessor directives. John W. Eaton <jwe@octave.org> parents: 24126 diff changeset	49 # pragma GCC diagnostic pop
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	50 #endif
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	51
17352 4a348443de9b Support multibyte characters in Freetype-based renderer (bug #31596). Michael Goffioul <michael.goffioul@gmail.com> parents: 17330 diff changeset	52 #include <clocale>
4a348443de9b Support multibyte characters in Freetype-based renderer (bug #31596). Michael Goffioul <michael.goffioul@gmail.com> parents: 17330 diff changeset	53 #include <cwchar>
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	54 #include <map>
ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	55 #include <utility>
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	56
13992 e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	57 #include "singleton-cleanup.h"
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	58 #include "unistr-wrappers.h"
13992 e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	59
25460 627d6bde9b8d solve installation info initialization problem differently John W. Eaton <jwe@octave.org> parents: 25440 diff changeset	60 #include "defaults.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	61 #include "error.h"
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	62 #include "file-ops.h"
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	63 #include "oct-env.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	64 #include "pr-output.h"
29489 ee66869c30d6 Fix loading fonts from path with non-ASCII characters on Windows. Markus Mützel <markus.muetzel@gmx.de> parents: 29470 diff changeset	65 #include "sysdep.h"
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	66 #include "text-renderer.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	67
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	68 namespace octave
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	69 {
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	70 // FIXME: maybe issue at most one warning per glyph/font/size/weight
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	71 // combination.
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	72
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	73 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	74 warn_missing_glyph (FT_ULong c)
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	75 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	76 warning_with_id ("Octave:missing-glyph",
26152 b68c41cb0f99 Silence compiler warning about incorrect format specifier (bug #55046). Markus Mützel <markus.muetzel@gmx.de> parents: 25460 diff changeset	77 "text_renderer: skipping missing glyph for character '%lx'", c);
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	78 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	79
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	80 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	81 warn_glyph_render (FT_ULong c)
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	82 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	83 warning_with_id ("Octave:glyph-render",
26152 b68c41cb0f99 Silence compiler warning about incorrect format specifier (bug #55046). Markus Mützel <markus.muetzel@gmx.de> parents: 25460 diff changeset	84 "text_renderer: unable to render glyph for character '%lx'", c);
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	85 }
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	86
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	87 #if defined (_MSC_VER)
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	88 // FIXME: is this really needed?
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	89 //
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	90 // This is just a trick to avoid multiple symbol definitions.
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	91 // PermMatrix.h contains a dllexport'ed Array<octave_idx_type>
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	92 // that will cause MSVC not to generate a new instantiation and
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	93 // use the imported one instead.
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	94 # include "PermMatrix.h"
13730 a2c74b5c02de [MSVC] Prevent duplicate symbol. Michael Goffioul <michael.goffioul@gmail.com> parents: 13317 diff changeset	95 #endif
a2c74b5c02de [MSVC] Prevent duplicate symbol. Michael Goffioul <michael.goffioul@gmail.com> parents: 13317 diff changeset	96
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	97 // Forward declaration
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	98 static void ft_face_destroyed (void *object);
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	99
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	100 class
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	101 ft_manager
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	102 {
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	103 private:
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	104
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	105 ft_manager (void)
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	106 : m_library (), m_freetype_initialized (false),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	107 m_fontconfig_initialized (false)
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	108 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	109 if (FT_Init_FreeType (&m_library))
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	110 error ("unable to initialize FreeType library");
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	111 else
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	112 m_freetype_initialized = true;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	113
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	114 #if defined (HAVE_FONTCONFIG)
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	115 if (! FcInit ())
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	116 error ("unable to initialize fontconfig library");
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	117 else
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	118 m_fontconfig_initialized = true;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	119 #endif
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	120 }
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	121
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	122 public:
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	123
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	124 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	125
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	126 ft_manager (const ft_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	127
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	128 ft_manager& operator = (const ft_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	129
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	130 private:
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	131
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	132 ~ft_manager (void)
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	133 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	134 if (m_freetype_initialized)
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	135 FT_Done_FreeType (m_library);
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	136
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	137 #if defined (HAVE_FONTCONFIG)
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	138 // FIXME: Skip the call to FcFini because it can trigger the assertion
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	139 //
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	140 // octave: fccache.c:507: FcCacheFini: Assertion 'fcCacheChains[i] == ((void *)0)' failed.
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	141 //
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	142 // if (m_fontconfig_initialized)
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	143 // FcFini ();
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	144 #endif
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	145 }
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	146
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	147 public:
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	148
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	149 static bool instance_ok (void)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	150 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	151 bool retval = true;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	152
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	153 if (! instance)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	154 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	155 instance = new ft_manager ();
26369 0249ba4c9589 Fix static analyzer detected V668 issues (bug #55347). Andreas Weber <octave@josoansi.de> parents: 26340 diff changeset	156 singleton_cleanup_list::add (cleanup_instance);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	157 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	158
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	159 return retval;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	160 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	161
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	162 static void cleanup_instance (void) { delete instance; instance = nullptr; }
13992 e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	163
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	164 static FT_Face get_font (const std::string& name, const std::string& weight,
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	165 const std::string& angle, double size,
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	166 FT_ULong c = 0)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	167 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	168 return (instance_ok ()
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	169 ? instance->do_get_font (name, weight, angle, size, c)
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	170 : nullptr);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	171 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	172
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	173 static octave_map get_system_fonts (void)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	174 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	175 return (instance_ok ()
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	176 ? instance->do_get_system_fonts ()
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	177 : octave_map ());
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	178 }
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	179
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	180 static void font_destroyed (FT_Face face)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	181 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	182 if (instance_ok ())
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	183 instance->do_font_destroyed (face);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	184 }
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	185
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	186 private:
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	187
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	188 static ft_manager *instance;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	189
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	190 typedef std::pair<std::string, double> ft_key;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	191 typedef std::map<ft_key, FT_Face> ft_cache;
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	192
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	193 // Cache the fonts loaded by FreeType. This cache only contains
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	194 // weak references to the fonts, strong references are only present
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	195 // in class text_renderer.
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	196 ft_cache cache;
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	197
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	198 static octave_map do_get_system_fonts (void)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	199 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	200 static octave_map font_map;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	201
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	202 if (font_map.isempty ())
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	203 {
28483 98889de398dd * ft-text-renderer.cc: Allow build to succeed if HAVE_FONTCONFIG is undefined. John W. Eaton <jwe@octave.org> parents: 28305 diff changeset	204 #if defined (HAVE_FONTCONFIG)
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	205 FcConfig *config = FcConfigGetCurrent();
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	206 FcPattern *pat = FcPatternCreate ();
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	207 FcObjectSet *os = FcObjectSetBuild (FC_FAMILY, FC_SLANT, FC_WEIGHT,
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	208 FC_CHARSET, nullptr);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	209 FcFontSet *fs = FcFontList (config, pat, os);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	210
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	211 if (fs->nfont > 0)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	212 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	213 // Mark fonts that have at least all printable ASCII chars
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	214 FcCharSet *minimal_charset = FcCharSetCreate ();
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	215 for (int i = 32; i < 127; i++)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	216 FcCharSetAddChar (minimal_charset, static_cast<FcChar32> (i));
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	217
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	218 string_vector fields (4);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	219 fields(0) = "family";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	220 fields(1) = "angle";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	221 fields(2) = "weight";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	222 fields(3) = "suitable";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	223
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	224 dim_vector dv (1, fs->nfont);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	225 Cell families (dv);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	226 Cell angles (dv);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	227 Cell weights (dv);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	228 Cell suitable (dv);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	229
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	230 unsigned char *family;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	231 int val;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	232 for (int i = 0; fs && i < fs->nfont; i++)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	233 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	234 FcPattern *font = fs->fonts[i];
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	235 if (FcPatternGetString (font, FC_FAMILY, 0, &family)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	236 == FcResultMatch)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	237 families(i) = std::string (reinterpret_cast<char*> (family));
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	238 else
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	239 families(i) = "unknown";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	240
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	241 if (FcPatternGetInteger (font, FC_SLANT, 0, &val)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	242 == FcResultMatch)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	243 angles(i) = (val == FC_SLANT_ITALIC
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	244 \|\| val == FC_SLANT_OBLIQUE)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	245 ? "italic" : "normal";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	246 else
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	247 angles(i) = "unknown";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	248
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	249 if (FcPatternGetInteger (font, FC_WEIGHT, 0, &val)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	250 == FcResultMatch)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	251 weights(i) = (val == FC_WEIGHT_BOLD
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	252 \|\| val == FC_WEIGHT_DEMIBOLD)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	253 ? "bold" : "normal";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	254 else
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	255 weights(i) = "unknown";
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	256
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	257 FcCharSet *cset;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	258 if (FcPatternGetCharSet (font, FC_CHARSET, 0, &cset)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	259 == FcResultMatch)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	260 suitable(i) = (FcCharSetIsSubset (minimal_charset, cset)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	261 ? true : false);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	262 else
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	263 suitable(i) = false;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	264 }
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	265
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	266 font_map = octave_map (dv, fields);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	267
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	268 font_map.assign ("family", families);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	269 font_map.assign ("angle", angles);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	270 font_map.assign ("weight", weights);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	271 font_map.assign ("suitable", suitable);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	272
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	273 if (fs)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	274 FcFontSetDestroy (fs);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	275 }
28483 98889de398dd * ft-text-renderer.cc: Allow build to succeed if HAVE_FONTCONFIG is undefined. John W. Eaton <jwe@octave.org> parents: 28305 diff changeset	276 #endif
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	277 }
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	278
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	279 return font_map;
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	280 }
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	281
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	282 FT_Face do_get_font (const std::string& name, const std::string& weight,
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	283 const std::string& angle, double size,
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	284 FT_ULong search_code_point)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	285 {
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	286 FT_Face retval = nullptr;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	287
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	288 #if defined (HAVE_FT_REFERENCE_FACE)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	289 // Look first into the font cache, then use fontconfig. If the font
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	290 // is present in the cache, simply add a reference and return it.
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	291
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	292 ft_key key (name + ':' + weight + ':' + angle + ':'
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	293 + std::to_string (search_code_point), size);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	294 ft_cache::const_iterator it = cache.find (key);
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	295
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	296 if (it != cache.end ())
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	297 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	298 FT_Reference_Face (it->second);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	299 return it->second;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	300 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	301 #endif
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	302
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	303 static std::string fonts_dir;
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	304
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	305 if (fonts_dir.empty ())
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	306 {
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	307 fonts_dir = sys::env::getenv ("OCTAVE_FONTS_DIR");
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	308
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	309 if (fonts_dir.empty ())
24900 00d42b86d0a5 configure: new option --with-system-freefont to use system fonts (bug #53348) Mike Miller <mtmiller@octave.org> parents: 24899 diff changeset	310 #if defined (SYSTEM_FREEFONT_DIR)
25460 627d6bde9b8d solve installation info initialization problem differently John W. Eaton <jwe@octave.org> parents: 25440 diff changeset	311 fonts_dir = SYSTEM_FREEFONT_DIR;
24900 00d42b86d0a5 configure: new option --with-system-freefont to use system fonts (bug #53348) Mike Miller <mtmiller@octave.org> parents: 24899 diff changeset	312 #else
25460 627d6bde9b8d solve installation info initialization problem differently John W. Eaton <jwe@octave.org> parents: 25440 diff changeset	313 fonts_dir = config::oct_fonts_dir ();
24900 00d42b86d0a5 configure: new option --with-system-freefont to use system fonts (bug #53348) Mike Miller <mtmiller@octave.org> parents: 24899 diff changeset	314 #endif
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	315 }
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	316
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	317
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	318 // Default font file
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	319 std::string file;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	320
24899 1a46d174a483 include a proper definition of Octave's private font fallback directory Mike Miller <mtmiller@octave.org> parents: 24722 diff changeset	321 if (! fonts_dir.empty ())
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	322 {
25336 389757b7b6af eliminate redundant octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	323 file = fonts_dir + sys::file_ops::dir_sep_str () + "FreeSans";
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	324
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	325 if (weight == "bold")
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	326 file += "Bold";
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	327
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	328 if (angle == "italic" \|\| angle == "oblique")
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	329 file += "Oblique";
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	330
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	331 file += ".otf";
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	332 }
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	333
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	334 #if defined (HAVE_FONTCONFIG)
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	335 if ((search_code_point != 0 \|\| name != "*") && m_fontconfig_initialized)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	336 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	337 int fc_weight, fc_angle;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	338
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	339 if (weight == "bold")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	340 fc_weight = FC_WEIGHT_BOLD;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	341 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	342 fc_weight = FC_WEIGHT_NORMAL;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	343
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	344 if (angle == "italic")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	345 fc_angle = FC_SLANT_ITALIC;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	346 else if (angle == "oblique")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	347 fc_angle = FC_SLANT_OBLIQUE;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	348 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	349 fc_angle = FC_SLANT_ROMAN;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	350
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	351 FcPattern *pat = FcPatternCreate ();
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	352
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	353 FcPatternAddString (pat, FC_FAMILY,
23447 db1fdf4384dd maint: Use convention "static_cast<void >" for casting of pointers. Rik <rik@octave.org>* parents: 23220 diff changeset	354 (reinterpret_cast<const FcChar8 *>
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	355 (name.c_str ())));
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	356
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	357 FcPatternAddInteger (pat, FC_WEIGHT, fc_weight);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	358 FcPatternAddInteger (pat, FC_SLANT, fc_angle);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	359 FcPatternAddDouble (pat, FC_PIXEL_SIZE, size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	360
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	361 if (search_code_point > 0)
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	362 {
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	363 FcCharSet *minimal_charset = FcCharSetCreate ();
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	364 FcCharSetAddChar (minimal_charset,
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	365 static_cast<FcChar32> (search_code_point));
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	366 FcPatternAddCharSet (pat, FC_CHARSET, minimal_charset);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	367 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	368
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	369 if (FcConfigSubstitute (nullptr, pat, FcMatchPattern))
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	370 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	371 FcResult res;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	372 FcPattern *match;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	373
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	374 FcDefaultSubstitute (pat);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	375
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	376 match = FcFontMatch (nullptr, pat, &res);
9833 637fa784d102 Allow more font matches godfrey@isl.Stanford.EDU parents: 9619 diff changeset	377
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	378 // FIXME: originally, this test also required that
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	379 // res != FcResultNoMatch. Is that really needed?
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	380 if (match)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	381 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	382 unsigned char *tmp;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	383
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	384 FcPatternGetString (match, FC_FILE, 0, &tmp);
23447 db1fdf4384dd maint: Use convention "static_cast<void >" for casting of pointers. Rik <rik@octave.org>* parents: 23220 diff changeset	385 file = reinterpret_cast<char *> (tmp);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	386 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	387 else
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	388 ::warning ("could not match any font: %s-%s-%s-%g, using default font",
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	389 name.c_str (), weight.c_str (), angle.c_str (),
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	390 size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	391
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	392 if (match)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	393 FcPatternDestroy (match);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	394 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	395
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	396 FcPatternDestroy (pat);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	397 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	398 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	399
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	400 if (file.empty ())
24126 2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	401 ::warning ("unable to find default font files");
2390079a8aed Provide default font files and use them (bug #52150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24076 diff changeset	402 else
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	403 {
29489 ee66869c30d6 Fix loading fonts from path with non-ASCII characters on Windows. Markus Mützel <markus.muetzel@gmx.de> parents: 29470 diff changeset	404 std::string ascii_file = sys::get_ASCII_filename (file);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	405
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	406 if (FT_New_Face (m_library, ascii_file.c_str (), 0, &retval))
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	407 ::warning ("ft_manager: unable to load font: %s", file.c_str ());
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	408 #if defined (HAVE_FT_REFERENCE_FACE)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	409 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	410 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	411 // Install a finalizer to notify ft_manager that the font is
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	412 // being destroyed. The class ft_manager only keeps weak
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	413 // references to font objects.
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	414
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	415 retval->generic.data = new ft_key (key);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	416 retval->generic.finalizer = ft_face_destroyed;
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	417
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	418 // Insert loaded font into the cache.
28206 11d66485fc19 Correctly cache fonts in ft_manager (bug #58150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27923 diff changeset	419 if (FT_Reference_Face (retval) == 0)
11d66485fc19 Correctly cache fonts in ft_manager (bug #58150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27923 diff changeset	420 cache[key] = retval;
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	421 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	422 #endif
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	423 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	424
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	425 return retval;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	426 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	427
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	428 void do_font_destroyed (FT_Face face)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	429 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	430 if (face->generic.data)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	431 {
23447 db1fdf4384dd maint: Use convention "static_cast<void >" for casting of pointers. Rik <rik@octave.org>* parents: 23220 diff changeset	432 ft_key pkey = reinterpret_cast<ft_key > (face->generic.data);
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	433
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	434 cache.erase (*pkey);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	435 delete pkey;
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	436 face->generic.data = nullptr;
28206 11d66485fc19 Correctly cache fonts in ft_manager (bug #58150) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27923 diff changeset	437 FT_Done_Face (face);
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	438 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	439 }
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	440
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	441 private:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	442 FT_Library m_library;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	443 bool m_freetype_initialized;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	444 bool m_fontconfig_initialized;
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	445 };
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	446
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23447 diff changeset	447 ft_manager *ft_manager::instance = nullptr;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	448
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	449 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	450 ft_face_destroyed (void *object)
af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	451 {
25336 389757b7b6af eliminate redundant octave:: namespace tags John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	452 ft_manager::font_destroyed (reinterpret_cast<FT_Face> (object));
24722 af6c1ed60581 avoid splitting namespace blocks unnecessarily John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	453 }
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	454
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	455 class
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	456 OCTINTERP_API
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	457 ft_text_renderer : public base_text_renderer
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	458 {
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	459 public:
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	460
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	461 enum
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	462 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	463 MODE_BBOX = 0,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	464 MODE_RENDER = 1
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	465 };
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	466
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	467 public:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	468
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	469 ft_text_renderer (void)
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	470 : base_text_renderer (), m_font (), m_bbox (1, 4, 0.0), m_halign (0),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	471 m_xoffset (0), m_line_yoffset (0), m_yoffset (0), m_mode (MODE_BBOX),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	472 m_color (dim_vector (1, 3), 0), m_do_strlist (false), m_strlist (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	473 m_line_xoffset (0), m_ymin (0), m_ymax (0), m_deltax (0),
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	474 m_max_fontsize (0), m_antialias (true)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	475 { }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	476
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	477 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	478
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	479 ft_text_renderer (const ft_text_renderer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	480
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	481 ft_text_renderer& operator = (const ft_text_renderer&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	482
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	483 ~ft_text_renderer (void) = default;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	484
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	485 void visit (text_element_string& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	486
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	487 void visit (text_element_list& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	488
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	489 void visit (text_element_subscript& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	490
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	491 void visit (text_element_superscript& e);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	492
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	493 void visit (text_element_color& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	494
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	495 void visit (text_element_fontsize& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	496
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	497 void visit (text_element_fontname& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	498
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	499 void visit (text_element_fontstyle& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	500
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	501 void visit (text_element_symbol& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	502
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	503 void visit (text_element_combined& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	504
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	505 void reset (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	506
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	507 uint8NDArray get_pixels (void) const { return pixels; }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	508
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	509 Matrix get_boundingbox (void) const { return m_bbox; }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	510
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	511 uint8NDArray render (text_element *elt, Matrix& box,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	512 int rotation = ROTATION_0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	513
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	514 Matrix get_extent (text_element *elt, double rotation = 0.0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	515 Matrix get_extent (const std::string& txt, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	516 const caseless_str& interpreter);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	517
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	518 void set_anti_aliasing (bool val) { m_antialias = val; };
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	519
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	520 void set_font (const std::string& name, const std::string& weight,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	521 const std::string& angle, double size);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	522
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	523 octave_map get_system_fonts (void);
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	524
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	525 void set_color (const Matrix& c);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	526
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	527 void set_mode (int m);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	528
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	529 void text_to_pixels (const std::string& txt,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	530 uint8NDArray& pxls, Matrix& bbox,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	531 int halign, int valign, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	532 const caseless_str& interpreter,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	533 bool handle_rotation);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	534
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	535 private:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	536
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	537 // Class to hold information about fonts and a strong
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	538 // reference to the font objects loaded by FreeType.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	539
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	540 class ft_font : public text_renderer::font
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	541 {
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	542 public:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	543
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	544 ft_font (void)
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	545 : text_renderer::font (), face (nullptr) { }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	546
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	547 ft_font (const std::string& nm, const std::string& wt,
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	548 const std::string& ang, double sz, FT_Face f = nullptr)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	549 : text_renderer::font (nm, wt, ang, sz), face (f)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	550 { }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	551
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	552 ft_font (const ft_font& ft);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	553
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	554 ~ft_font (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	555 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	556 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	557 FT_Done_Face (face);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	558 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	559
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	560 ft_font& operator = (const ft_font& ft);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	561
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	562 bool is_valid (void) const { return get_face (); }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	563
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	564 FT_Face get_face (void) const;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	565
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	566 private:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	567
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	568 mutable FT_Face face;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	569 };
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	570
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	571 void push_new_line (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	572
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	573 void update_line_bbox (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	574
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	575 void compute_bbox (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	576
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	577 int compute_line_xoffset (const Matrix& lb) const;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	578
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	579 FT_UInt process_character (FT_ULong code, FT_UInt previous,
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	580 std::string& sub_font);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	581
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	582 public:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	583
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	584 void text_to_strlist (const std::string& txt,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	585 std::list<text_renderer::string>& lst, Matrix& bbox,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	586 int halign, int valign, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	587 const caseless_str& interp);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	588
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	589 private:
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	590
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	591 // The current font used by the renderer.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	592 ft_font m_font;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	593
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	594 // Used to stored the bounding box corresponding to the rendered text.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	595 // The bounding box has the form [x, y, w, h] where x and y represent the
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	596 // coordinates of the bottom left corner relative to the anchor point of
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	597 // the text (== start of text on the baseline). Due to font descent or
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	598 // multiple lines, the value y is usually negative.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	599 Matrix m_bbox;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	600
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	601 // Used to stored the rendered text. It's a 3D matrix with size MxNx4
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	602 // where M and N are the width and height of the bounding box.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	603 uint8NDArray pixels;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	604
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	605 // Used to store the bounding box of each line. This is used to layout
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	606 // multiline text properly.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	607 std::list<Matrix> line_bbox;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	608
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	609 // The current horizontal alignment. This is used to align multi-line text.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	610 int m_halign;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	611
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	612 // The X offset for the next glyph.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	613 int m_xoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	614
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	615 // The Y offset of the baseline for the current line.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	616 int m_line_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	617
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	618 // The Y offset of the baseline for the next glyph. The offset is relative
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	619 // to line_yoffset. The total Y offset is computed with:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	620 // line_yoffset + yoffset.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	621 int m_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	622
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	623 // The current mode of the rendering process (box computing or rendering).
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	624 int m_mode;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	625
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	626 // The base color of the rendered text.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	627 uint8NDArray m_color;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	628
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	629 // A list of parsed strings to be used for printing.
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	630 bool m_do_strlist;
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	631 std::list<text_renderer::string> m_strlist;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	632
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	633 // The X offset of the baseline for the current line.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	634 int m_line_xoffset;
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	635
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	636 // Min and max y coordinates of all glyphs in a line.
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	637 FT_Pos m_ymin;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	638 FT_Pos m_ymax;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	639
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	640 // Difference between the advance and the actual extent of the latest glyph
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	641 FT_Pos m_deltax;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	642
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	643 // Used for computing the distance between lines.
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	644 double m_max_fontsize;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	645
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	646 // Anti-aliasing.
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	647 bool m_antialias;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	648
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	649 };
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	650
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	651 void
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	652 ft_text_renderer::set_font (const std::string& name,
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	653 const std::string& weight,
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	654 const std::string& angle, double size)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	655 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	656 // FIXME: take "fontunits" into account
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	657 m_font = ft_font (name, weight, angle, size, nullptr);
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	658 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	659
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	660 octave_map
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	661 ft_text_renderer::get_system_fonts (void)
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	662 {
698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	663 return ft_manager::get_system_fonts ();
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	664 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	665
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	666 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	667 ft_text_renderer::push_new_line (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	668 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	669 switch (m_mode)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	670 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	671 case MODE_BBOX:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	672 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	673 // Create a new bbox entry based on the current font.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	674
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	675 FT_Face face = m_font.get_face ();
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	676
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	677 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	678 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	679 Matrix bb (1, 5, 0.0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	680
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	681 line_bbox.push_back (bb);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	682
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	683 m_xoffset = m_yoffset = 0;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	684 m_ymin = m_ymax = m_deltax = 0;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	685 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	686 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	687 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	688
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	689 case MODE_RENDER:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	690 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	691 // Move to the next line bbox, adjust xoffset based on alignment
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	692 // and yoffset based on the old and new line bbox.
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	693
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	694 Matrix old_bbox = line_bbox.front ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	695 line_bbox.pop_front ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	696 Matrix new_bbox = line_bbox.front ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	697
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	698 m_xoffset = m_line_xoffset = compute_line_xoffset (new_bbox);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	699 m_line_yoffset -= (-old_bbox(1) + math::round (0.4 * m_max_fontsize)
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	700 + (new_bbox(3) + new_bbox(1)));
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	701 m_yoffset = 0;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	702 m_ymin = m_ymax = m_deltax = 0;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	703 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	704 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	705 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	706 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	707
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	708 int
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	709 ft_text_renderer::compute_line_xoffset (const Matrix& lb) const
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	710 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	711 if (! m_bbox.isempty ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	712 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	713 switch (m_halign)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	714 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	715 case 0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	716 return 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	717 case 1:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	718 return (m_bbox(2) - lb(2)) / 2;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	719 case 2:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	720 return (m_bbox(2) - lb(2));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	721 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	722 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	723
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	724 return 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	725 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	726
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	727 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	728 ft_text_renderer::compute_bbox (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	729 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	730 // Stack the various line bbox together and compute the final
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	731 // bounding box for the entire text string.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	732
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	733 m_bbox = Matrix ();
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	734
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	735 switch (line_bbox.size ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	736 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	737 case 0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	738 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	739
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	740 case 1:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	741 m_bbox = line_bbox.front ().extract (0, 0, 0, 3);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	742 break;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	743
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	744 default:
22862 e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	745 for (const auto& lbox : line_bbox)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	746 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	747 if (m_bbox.isempty ())
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	748 m_bbox = lbox.extract (0, 0, 0, 3);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	749 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	750 {
26221 76ac35f71573 Fix regression in multi-line text rendering (bug #55218) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26187 diff changeset	751 double delta = math::round (0.4 * m_max_fontsize) + lbox(3);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	752 m_bbox(1) -= delta;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	753 m_bbox(3) += delta;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	754 m_bbox(2) = math::max (m_bbox(2), lbox(2));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	755 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	756 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	757 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	758 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	759 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	760
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	761 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	762 ft_text_renderer::update_line_bbox (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	763 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	764 // Called after a font change, when in MODE_BBOX mode, to update the
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	765 // current line bbox with the new font metrics. This also includes the
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	766 // current yoffset, that is the offset of the current glyph's baseline
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	767 // the line's baseline.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	768
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	769 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	770 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	771 Matrix& bb = line_bbox.back ();
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	772 bb(1) = m_ymin;
26330 45cf2ada3e39 Make sure text bounding box is high enough (bug #55328). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26221 diff changeset	773 // Add one pixel to the bbox height to avoid occasional text clipping.
45cf2ada3e39 Make sure text bounding box is high enough (bug #55328). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26221 diff changeset	774 // See bug #55328.
45cf2ada3e39 Make sure text bounding box is high enough (bug #55328). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26221 diff changeset	775 bb(3) = (m_ymax + 1) - m_ymin;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	776 if (m_deltax > 0)
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	777 bb(2) += m_deltax;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	778 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	779 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	780
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	781 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	782 ft_text_renderer::set_mode (int m)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	783 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	784 m_mode = m;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	785
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	786 switch (m_mode)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	787 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	788 case MODE_BBOX:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	789 m_xoffset = m_line_yoffset = m_yoffset = 0;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	790 m_max_fontsize = 0.0;
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	791 m_bbox = Matrix (1, 4, 0.0);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	792 line_bbox.clear ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	793 push_new_line ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	794 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	795
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	796 case MODE_RENDER:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	797 if (m_bbox.numel () != 4)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	798 {
22515 77b50a83ec11 Error out, rather than segfault, when fontname is "" (bug #49102). Rik <rik@octave.org> parents: 22407 diff changeset	799 ::error ("ft_text_renderer: invalid bounding box, cannot render");
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	800
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	801 m_xoffset = m_line_yoffset = m_yoffset = 0;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	802 pixels = uint8NDArray ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	803 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	804 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	805 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	806 dim_vector d (4, octave_idx_type (m_bbox(2)),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	807 octave_idx_type (m_bbox(3)));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	808 pixels = uint8NDArray (d, static_cast<uint8_t> (0));
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	809 m_xoffset = compute_line_xoffset (line_bbox.front ());
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	810 m_line_yoffset = -m_bbox(1);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	811 m_yoffset = 0;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	812 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	813 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	814
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	815 default:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	816 error ("ft_text_renderer: invalid mode '%d'", m_mode);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	817 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	818 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	819 }
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	820 bool is_opaque (const FT_GlyphSlot &glyph, const int x, const int y)
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	821 {
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	822 // Borrowed from https://stackoverflow.com/questions/14800827/
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	823 // indexing-pixels-in-a-monochrome-freetype-glyph-buffer
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	824 int pitch = std::abs (glyph->bitmap.pitch);
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	825 unsigned char row = &glyph->bitmap.buffer[pitch y];
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	826 char cvalue = row[x >> 3];
26995 ab5bfee22d18 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26858 diff changeset	827
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	828 return ((cvalue & (128 >> (x & 7))) != 0);
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	829 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	830
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	831 FT_UInt
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	832 ft_text_renderer::process_character (FT_ULong code, FT_UInt previous,
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	833 std::string& sub_name)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	834 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	835 FT_Face face = m_font.get_face ();
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	836
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	837 sub_name = face->family_name;
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	838
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	839 FT_UInt glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	840
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	841 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	842 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	843 glyph_index = FT_Get_Char_Index (face, code);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	844
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	845 if (code != '\n' && code != '\t'
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	846 && (! glyph_index
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	847 \|\| FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)))
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	848 {
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	849 #if defined (HAVE_FONTCONFIG)
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	850 // Try to substitue font
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	851 FT_Face sub_face = ft_manager::get_font (m_font.get_name (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	852 m_font.get_weight (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	853 m_font.get_angle (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	854 m_font.get_size (),
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	855 code);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	856
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	857 if (sub_face)
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	858 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	859 FT_Set_Char_Size (sub_face, 0, m_font.get_size ()*64, 0, 0);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	860
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	861 glyph_index = FT_Get_Char_Index (sub_face, code);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	862
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	863 if (glyph_index
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	864 && (FT_Load_Glyph (sub_face, glyph_index, FT_LOAD_DEFAULT)
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	865 == 0))
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	866 {
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	867 static std::string prev_sub_name;
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	868
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	869 if (prev_sub_name.empty ()
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	870 \|\| prev_sub_name != std::string (sub_face->family_name))
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	871 {
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	872 prev_sub_name = sub_face->family_name;
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	873 warning_with_id ("Octave:substituted-glyph",
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	874 "text_renderer: substituting font to '%s' for some characters",
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	875 sub_face->family_name);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	876 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	877
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	878 ft_font saved_font = m_font;
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	879
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	880 m_font = ft_font (m_font.get_name (), m_font.get_weight (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	881 m_font.get_angle (), m_font.get_size (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	882 sub_face);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	883
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	884 process_character (code, previous, sub_name);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	885
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	886 m_font = saved_font;
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	887 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	888 else
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	889 {
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	890 glyph_index = 0;
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	891 warn_missing_glyph (code);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	892 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	893 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	894 else
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	895 {
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	896 glyph_index = 0;
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	897 warn_missing_glyph (code);
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	898 }
7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	899 #else
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	900 glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	901 warn_missing_glyph (code);
29678 7511182e5e9b Allow for automatic font substitution in graphics text rendering Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29655 diff changeset	902 #endif
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	903 }
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	904 else if ((code == '\n') \|\| (code == '\t'))
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	905 {
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	906 glyph_index = FT_Get_Char_Index (face, ' ');
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	907 if (! glyph_index
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	908 \|\| FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	909 {
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	910 glyph_index = 0;
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	911 warn_missing_glyph (' ');
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	912 }
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	913 else if (code == '\n')
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	914 push_new_line ();
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	915 else
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	916 {
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	917 // Advance to next multiple of 4 times the width of the "space"
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	918 // character.
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	919 int x_tab = 4 * (face->glyph->advance.x >> 6);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	920 m_xoffset = (1 + std::floor (1. * m_xoffset / x_tab)) * x_tab;
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	921 }
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	922 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	923 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	924 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	925 switch (m_mode)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	926 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	927 case MODE_RENDER:
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	928 if (FT_Render_Glyph (face->glyph, (m_antialias
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	929 ? FT_RENDER_MODE_NORMAL
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	930 : FT_RENDER_MODE_MONO)))
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	931 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	932 glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	933 warn_glyph_render (code);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	934 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	935 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	936 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	937 FT_Bitmap& bitmap = face->glyph->bitmap;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	938 int x0, y0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	939
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	940 if (previous)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	941 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	942 FT_Vector delta;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	943
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	944 FT_Get_Kerning (face, previous, glyph_index,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	945 FT_KERNING_DEFAULT, &delta);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	946
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	947 m_xoffset += (delta.x >> 6);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	948 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	949
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	950 x0 = m_xoffset + face->glyph->bitmap_left;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	951 y0 = m_line_yoffset + m_yoffset
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	952 + (face->glyph->bitmap_top - 1);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	953
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	954 // 'w' seems to have a negative -1
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	955 // face->glyph->bitmap_left, this is so we don't index out
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	956 // of bound, and assumes we've allocated the right amount of
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	957 // horizontal space in the bbox.
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	958 if (x0 < 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	959 x0 = 0;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	960
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	961 for (int r = 0; static_cast<unsigned int> (r) < bitmap.rows; r++)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	962 for (int c = 0; static_cast<unsigned int> (c) < bitmap.width; c++)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	963 {
26858 0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	964 unsigned char pix
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	965 = (m_antialias
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	966 ? bitmap.buffer[r*bitmap.width+c]
0adb232f93b9 Implement axes and text "fontsmoothing" property (bug #55833). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26619 diff changeset	967 : (is_opaque (face->glyph, c, r) ? 255 : 0));
26995 ab5bfee22d18 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26858 diff changeset	968
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	969 if (x0+c < 0 \|\| x0+c >= pixels.dim2 ()
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	970 \|\| y0-r < 0 \|\| y0-r >= pixels.dim3 ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	971 {
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	972 // ::warning ("ft_text_renderer: x %d, y %d",
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	973 // x0+c, y0-r);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	974 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	975 else if (pixels(3, x0+c, y0-r).value () == 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	976 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	977 pixels(0, x0+c, y0-r) = m_color(0);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	978 pixels(1, x0+c, y0-r) = m_color(1);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	979 pixels(2, x0+c, y0-r) = m_color(2);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	980 pixels(3, x0+c, y0-r) = pix;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	981 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	982 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	983
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	984 m_xoffset += (face->glyph->advance.x >> 6);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	985 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	986 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	987
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	988 case MODE_BBOX:
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	989 Matrix& bb = line_bbox.back ();
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	990
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	991 // If we have a previous glyph, use kerning information. This
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	992 // usually means moving a bit backward before adding the next
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	993 // glyph. That is, "delta.x" is usually < 0.
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	994 if (previous)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	995 {
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	996 FT_Vector delta;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	997
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	998 FT_Get_Kerning (face, previous, glyph_index,
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	999 FT_KERNING_DEFAULT, &delta);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1000
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1001 m_xoffset += (delta.x >> 6);
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	1002 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1003
25421 c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	1004 // Extend current X offset box by the width of the current
c335f94766a7 Re-organize to avoid code duplication (bug #54083). Markus Mützel <markus.muetzel@gmx.de> parents: 25420 diff changeset	1005 // glyph. Then extend the line bounding box if necessary.
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1006
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1007 m_xoffset += (face->glyph->advance.x >> 6);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1008 bb(2) = math::max (bb(2), m_xoffset);
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1009
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1010 // Store the actual bbox vertical coordinates of this character
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1011 FT_Glyph glyph;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1012 if (FT_Get_Glyph (face->glyph, &glyph))
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1013 warn_glyph_render (code);
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1014 else
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1015 {
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1016 FT_BBox glyph_bbox;
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1017 FT_Glyph_Get_CBox (glyph, FT_GLYPH_BBOX_UNSCALED,
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1018 &glyph_bbox);
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1019 m_deltax = (glyph_bbox.xMax - face->glyph->advance.x) >> 6;
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1020 m_ymin = math::min ((glyph_bbox.yMin >> 6) + m_yoffset,
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1021 m_ymin);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1022 m_ymax = math::max ((glyph_bbox.yMax >> 6) + m_yoffset,
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1023 m_ymax);
26478 6f22d0c91beb Fix memory leak with FT_Glyph objects (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26376 diff changeset	1024 FT_Done_Glyph (glyph);
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1025 update_line_bbox ();
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1026 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1027 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1028 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1029 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1030 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1031
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1032 return glyph_index;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1033 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1034
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1035 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1036 ft_text_renderer::text_to_strlist (const std::string& txt,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1037 std::list<text_renderer::string>& lst,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1038 Matrix& box,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1039 int ha, int va, double rot,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1040 const caseless_str& interp)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1041 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1042 uint8NDArray pxls;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1043
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1044 // First run text_to_pixels which will also build the string list
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1045
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1046 m_strlist = std::list<text_renderer::string> ();
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1047
28857 43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier John W. Eaton <jwe@octave.org> parents: 28823 diff changeset	1048 unwind_protect_var<bool> restore_var1 (m_do_strlist);
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier John W. Eaton <jwe@octave.org> parents: 28823 diff changeset	1049 unwind_protect_var<std::list<text_renderer::string>>
28823 26cfccfee9a0 Replace unwind_protect with more efficient constructs (bug #59192). Rik <rik@octave.org> parents: 28483 diff changeset	1050 restore_var2 (m_strlist);
28857 43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier John W. Eaton <jwe@octave.org> parents: 28823 diff changeset	1051
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1052 m_do_strlist = true;
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1053
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1054 text_to_pixels (txt, pxls, box, ha, va, rot, interp, false);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1055
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1056 lst = m_strlist;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1057 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1058
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1059 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1060 ft_text_renderer::visit (text_element_string& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1061 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1062 if (m_font.is_valid ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1063 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1064 m_max_fontsize = std::max (m_max_fontsize, m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1065 FT_UInt glyph_index, previous = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1066
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1067 std::string str = e.string_value ();
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1068 const uint8_t c = reinterpret_cast<const uint8_t > (str.c_str ());
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1069 uint32_t u32_c;
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1070
29654 d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1071 std::size_t n = str.size ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1072 std::size_t icurr = 0;
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471) John W. Eaton <jwe@octave.org> parents: 29358 diff changeset	1073 std::size_t ibegin = 0;
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1074
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1075 // Initialize a new string
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1076 text_renderer::string fs (str, m_font, m_xoffset, m_yoffset);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1077
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1078 std::string fname = m_font.get_face ()->family_name;
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1079
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1080 if (fname.find (" ") != std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1081 fname = "'" + fname + "'";
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1082
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1083 fs.set_family (fname);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1084
24076 1b7e49a72c62 improve text rendering in svg printout (bug #48567) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 23807 diff changeset	1085 std::vector<double> xdata;
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1086 std::string sub_name;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1087
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1088 while (n > 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1089 {
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1090 // Retrieve the length and the u32 representation of the current
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1091 // character
8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1092 int mblen = octave_u8_strmbtouc_wrapper (&u32_c, c + icurr);
27142 8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1093 if (mblen < 1)
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1094 {
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1095 // This is not an UTF-8 character, use a replacement character
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1096 mblen = 1;
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1097 u32_c = 0xFFFD;
8a07083c8cfc Use replacement characters to display non UTF-8 strings in figures (bug #55974) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26617 diff changeset	1098 }
27623 698c8b08fe8c New function uisetfont (bug #57130). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 27150 diff changeset	1099
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1100 n -= mblen;
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1101
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1102 if (m_do_strlist && m_mode == MODE_RENDER)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1103 {
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1104 if (u32_c == 10)
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1105 {
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1106 // Finish previous string in m_strlist before processing
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1107 // the newline character
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1108 fs.set_y (m_line_yoffset + m_yoffset);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1109 fs.set_color (m_color);
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1110
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1111 std::string s = str.substr (ibegin, icurr - ibegin);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1112 if (! s.empty ())
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1113 {
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1114 fs.set_string (s);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1115 fs.set_y (m_line_yoffset + m_yoffset);
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1116 fs.set_xdata (xdata);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1117 fs.set_family (fname);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1118 m_strlist.push_back (fs);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1119 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1120 }
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1121 else
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1122 xdata.push_back (m_xoffset);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1123 }
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1124
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1125 glyph_index = process_character (u32_c, previous, sub_name);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1126
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1127 if (m_do_strlist && m_mode == MODE_RENDER && ! sub_name.empty ())
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1128 {
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1129 // Add substitution font to the family name stack
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1130 std::string tmp_family = fs.get_family ();
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1131
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1132 if (tmp_family.find (sub_name) == std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1133 {
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1134 if (sub_name.find (" ") != std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1135 sub_name = "'" + sub_name + "'";
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1136
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1137 fs.set_family (tmp_family + ", " + sub_name);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1138 }
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1139 }
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1140
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1141 if (u32_c == 10)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1142 {
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1143 previous = 0;
26617 98afb8bbd1f6 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 26573 diff changeset	1144
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1145 if (m_do_strlist && m_mode == MODE_RENDER)
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1146 {
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1147 // Start a new string in m_strlist
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1148 ibegin = icurr+1;
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1149 xdata.clear ();
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1150 fs = text_renderer::string (str.substr (ibegin), m_font,
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1151 m_line_xoffset, m_yoffset);
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1152 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1153 }
25362 def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1154 else
def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1155 previous = glyph_index;
def1b446ba64 Convert strings to UTF-32 for FreeType (bug #53646). Markus Mützel <markus.muetzel@gmx.de> parents: 25336 diff changeset	1156
26187 8d4f23b7f4eb Improve text extent calculation when using freetype text renderer (bug #55075) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26152 diff changeset	1157 icurr += mblen;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1158 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1159
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1160 if (m_do_strlist && m_mode == MODE_RENDER
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1161 && ! fs.get_string ().empty ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1162 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1163 fs.set_y (m_line_yoffset + m_yoffset);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1164 fs.set_color (m_color);
24076 1b7e49a72c62 improve text rendering in svg printout (bug #48567) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 23807 diff changeset	1165 fs.set_xdata (xdata);
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1166 m_strlist.push_back (fs);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1167 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1168 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1169 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1170
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1171 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1172 ft_text_renderer::visit (text_element_list& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1173 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1174 // Save and restore (after processing the list) the current font and color.
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1175
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1176 ft_font saved_font (m_font);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1177 uint8NDArray saved_color (m_color);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1178
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1179 text_processor::visit (e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1180
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1181 m_font = saved_font;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1182 m_color = saved_color;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1183 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1184
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1185 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1186 ft_text_renderer::visit (text_element_subscript& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1187 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1188 ft_font saved_font (m_font);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1189 int saved_line_yoffset = m_line_yoffset;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1190 int saved_yoffset = m_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1191
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1192 double sz = m_font.get_size ();
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1193
6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1194 // Reducing font size by 70% produces decent results.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1195 set_font (m_font.get_name (), m_font.get_weight (), m_font.get_angle (),
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1196 std::max (5.0, sz * 0.7));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1197
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1198 if (m_font.is_valid ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1199 {
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1200 // Shifting the baseline by 15% of the font size gives decent results.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1201 m_yoffset -= std::ceil (sz * 0.15);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1202
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1203 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1204 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1205 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1206
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1207 text_processor::visit (e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1208
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1209 m_font = saved_font;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1210 // If line_yoffset changed, this means we moved to a new line; hence yoffset
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1211 // cannot be restored, because the saved value is not relevant anymore.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1212 if (m_line_yoffset == saved_line_yoffset)
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1213 m_yoffset = saved_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1214 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1215
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1216 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1217 ft_text_renderer::visit (text_element_superscript& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1218 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1219 ft_font saved_font (m_font);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1220 int saved_line_yoffset = m_line_yoffset;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1221 int saved_yoffset = m_yoffset;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1222
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1223 double sz = m_font.get_size ();
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1224
6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1225 // Reducing font size by 70% produces decent results.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1226 set_font (m_font.get_name (), m_font.get_weight (), m_font.get_angle (),
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1227 std::max (5.0, sz * 0.7));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1228
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1229 if (saved_font.is_valid ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1230 {
28305 6e8d5c99263c Produce better looking TeX superscript and subscripts (bug #58376). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 28206 diff changeset	1231 // Shifting the baseline by 40% of the font size gives decent results.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1232 m_yoffset += std::ceil (sz * 0.4);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1233
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1234 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1235 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1236 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1237
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1238 text_processor::visit (e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1239
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1240 m_font = saved_font;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1241 // If line_yoffset changed, this means we moved to a new line; hence yoffset
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1242 // cannot be restored, because the saved value is not relevant anymore.
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1243 if (m_line_yoffset == saved_line_yoffset)
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1244 m_yoffset = saved_yoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1245 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1246
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1247 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1248 ft_text_renderer::visit (text_element_color& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1249 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1250 if (m_mode == MODE_RENDER)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1251 set_color (e.get_color ());
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1252 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1253
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1254 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1255 ft_text_renderer::visit (text_element_fontsize& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1256 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1257 double sz = e.get_fontsize ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1258
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1259 // FIXME: Matlab documentation says that the font size is expressed
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1260 // in the text object FontUnit.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1261
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1262 set_font (m_font.get_name (), m_font.get_weight (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1263 m_font.get_angle (), sz);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1264
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1265 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1266 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1267 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1268
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1269 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1270 ft_text_renderer::visit (text_element_fontname& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1271 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1272 set_font (e.get_fontname (), m_font.get_weight (), m_font.get_angle (),
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1273 m_font.get_size ());
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1274
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1275 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1276 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1277 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1278
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1279 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1280 ft_text_renderer::visit (text_element_fontstyle& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1281 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1282 switch (e.get_fontstyle ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1283 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1284 case text_element_fontstyle::normal:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1285 set_font (m_font.get_name (), "normal", "normal", m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1286 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1287
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1288 case text_element_fontstyle::bold:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1289 set_font (m_font.get_name (), "bold", "normal", m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1290 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1291
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1292 case text_element_fontstyle::italic:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1293 set_font (m_font.get_name (), "normal", "italic", m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1294 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1295
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1296 case text_element_fontstyle::oblique:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1297 set_font (m_font.get_name (), "normal", "oblique", m_font.get_size ());
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1298 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1299 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1300
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1301 if (m_mode == MODE_BBOX)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1302 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1303 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1304
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1305 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1306 ft_text_renderer::visit (text_element_symbol& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1307 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1308 uint32_t code = e.get_symbol_code ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1309
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1310 std::vector<double> xdata (1, m_xoffset);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1311 text_renderer::string fs ("-", m_font, m_xoffset, m_yoffset);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1312
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1313 if (code != text_element_symbol::invalid_code && m_font.is_valid ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1314 {
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1315 std::string sub_name;
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1316
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1317 process_character (code, 0, sub_name);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1318
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1319 if (m_do_strlist && m_mode == MODE_RENDER)
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1320 {
29683 5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1321 if (! sub_name.empty ())
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1322 {
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1323 // Add substitution font to the family name
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1324 std::string tmp_family = fs.get_family ();
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1325
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1326 if (tmp_family.find (sub_name) == std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1327 {
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1328 if (sub_name.find (" ") != std::string::npos)
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1329 sub_name = "'" + sub_name + "'";
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1330
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1331 fs.set_family (tmp_family + ", " + sub_name);
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1332 }
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1333 }
5ffe7159f94b Add substitution font to SVG font stack if necessary Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29679 diff changeset	1334
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1335 fs.set_code (code);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1336 fs.set_xdata (xdata);
ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1337 }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1338 }
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1339 else if (m_font.is_valid ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1340 ::warning ("ignoring unknown symbol: %d", e.get_symbol ());
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1341
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1342 if (m_do_strlist && m_mode == MODE_RENDER && fs.get_code ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1343 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1344 fs.set_y (m_line_yoffset + m_yoffset);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1345 fs.set_color (m_color);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1346 fs.set_family (m_font.get_face ()->family_name);
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1347 m_strlist.push_back (fs);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1348 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1349 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1350
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1351 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1352 ft_text_renderer::visit (text_element_combined& e)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1353 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1354 int saved_xoffset = m_xoffset;
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1355 int max_xoffset = m_xoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1356
22862 e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	1357 for (auto *txt_elt : e)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1358 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1359 m_xoffset = saved_xoffset;
22862 e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	1360 txt_elt->accept (*this);
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1361 max_xoffset = math::max (m_xoffset, max_xoffset);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1362 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1363
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1364 m_xoffset = max_xoffset;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1365 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1366
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1367 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1368 ft_text_renderer::reset (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1369 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1370 set_mode (MODE_BBOX);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1371 set_color (Matrix (1, 3, 0.0));
26573 ad70a85f702b Avoid accumulating data in text_renderer member variable (bug #55287) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26478 diff changeset	1372 m_strlist = std::list<text_renderer::string> ();
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1373 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1374
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1375 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1376 ft_text_renderer::set_color (const Matrix& c)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1377 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1378 if (c.numel () == 3)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1379 {
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1380 m_color(0) = static_cast<uint8_t> (c(0)*255);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1381 m_color(1) = static_cast<uint8_t> (c(1)*255);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1382 m_color(2) = static_cast<uint8_t> (c(2)*255);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1383 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1384 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1385 ::warning ("ft_text_renderer::set_color: invalid color");
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1386 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1387
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1388 uint8NDArray
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1389 ft_text_renderer::render (text_element *elt, Matrix& box, int rotation)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1390 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1391 set_mode (MODE_BBOX);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1392 elt->accept (*this);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1393 compute_bbox ();
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1394 box = m_bbox;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1395
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1396 set_mode (MODE_RENDER);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1397
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1398 if (pixels.numel () > 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1399 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1400 elt->accept (*this);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1401
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29359 diff changeset	1402 rotate_pixels (pixels, rotation);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1403 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1404
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1405 return pixels;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1406 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1407
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1408 // Note:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1409 // x-extent accurately measures width of glyphs.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1410 // y-extent is overly large because it is measured from baseline-to-baseline.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1411 // Calling routines, such as ylabel, may need to account for this mismatch.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1412
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1413 Matrix
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1414 ft_text_renderer::get_extent (text_element *elt, double rotation)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1415 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1416 set_mode (MODE_BBOX);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1417 elt->accept (*this);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1418 compute_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1419
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1420 Matrix extent (1, 2, 0.0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1421
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1422 switch (rotation_to_mode (rotation))
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1423 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1424 case ROTATION_0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1425 case ROTATION_180:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1426 extent(0) = m_bbox(2);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1427 extent(1) = m_bbox(3);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1428 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1429
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1430 case ROTATION_90:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1431 case ROTATION_270:
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1432 extent(0) = m_bbox(3);
7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1433 extent(1) = m_bbox(2);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1434 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1435
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1436 return extent;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1437 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1438
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1439 Matrix
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1440 ft_text_renderer::get_extent (const std::string& txt, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1441 const caseless_str& interpreter)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1442 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1443 text_element *elt = text_parser::parse (txt, interpreter);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1444 Matrix extent = get_extent (elt, rotation);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1445 delete elt;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1446
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1447 return extent;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1448 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1449
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1450 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1451 ft_text_renderer::text_to_pixels (const std::string& txt,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1452 uint8NDArray& pxls, Matrix& box,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1453 int _halign, int valign, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1454 const caseless_str& interpreter,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1455 bool handle_rotation)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1456 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1457 int rot_mode = rotation_to_mode (rotation);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1458
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1459 m_halign = _halign;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1460
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1461 text_element *elt = text_parser::parse (txt, interpreter);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1462 pxls = render (elt, box, rot_mode);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1463 delete elt;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1464
23577 80c42f4cca13 maint: Deprecate is_empty and replace with isempty. Rik <rik@octave.org> parents: 23462 diff changeset	1465 if (pxls.isempty ())
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1466 return; // nothing to render
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1467
29470 2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29359 diff changeset	1468 // Move X0 and Y0 depending on alignments and eventually swap all values
2ae4764180c6 Initial implementation of a LaTeX interpreter (bug #59546). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29359 diff changeset	1469 // for text rotated 90° 180° or 270°
29679 7ad7991e946a ft-text-renderer.cc: Use m_ prefix for class data members Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 29678 diff changeset	1470 fix_bbox_anchor (box, m_halign, valign, rot_mode, handle_rotation);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1471 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1472
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1473 ft_text_renderer::ft_font::ft_font (const ft_font& ft)
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	1474 : text_renderer::font (ft), face (nullptr)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1475 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1476 #if defined (HAVE_FT_REFERENCE_FACE)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1477 FT_Face ft_face = ft.get_face ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1478
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1479 if (ft_face && FT_Reference_Face (ft_face) == 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1480 face = ft_face;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1481 #endif
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1482 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1483
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1484 ft_text_renderer::ft_font&
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1485 ft_text_renderer::ft_font::operator = (const ft_font& ft)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1486 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1487 if (&ft != this)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1488 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1489 text_renderer::font::operator = (ft);
17271 cb7233cfbf43 Prepare base text rendering code for full TeX support. Michael Goffioul <michael.goffioul@gmail.com> parents: 17270 diff changeset	1490
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1491 if (face)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1492 {
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1493 FT_Done_Face (face);
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23696 diff changeset	1494 face = nullptr;
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1495 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1496
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1497 #if defined (HAVE_FT_REFERENCE_FACE)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1498 FT_Face ft_face = ft.get_face ();
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1499
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1500 if (ft_face && FT_Reference_Face (ft_face) == 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1501 face = ft_face;
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1502 #endif
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1503 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1504
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1505 return *this;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1506 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1507
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1508 FT_Face
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1509 ft_text_renderer::ft_font::get_face (void) const
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1510 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1511 if (! face && ! name.empty ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1512 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1513 face = ft_manager::get_font (name, weight, angle, size);
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1514
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1515 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1516 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1517 if (FT_Set_Char_Size (face, 0, size*64, 0, 0))
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1518 ::warning ("ft_text_renderer: unable to set font size to %g", size);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1519 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1520 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1521 ::warning ("ft_text_renderer: unable to load appropriate font");
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1522 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1523
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1524 return face;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1525 }
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1526 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1527
20945 9d9270e2f98f eliminate comments after preprocessor conditionals John W. Eaton <jwe@octave.org> parents: 20715 diff changeset	1528 #endif
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1529
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1530 namespace octave
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1531 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1532 base_text_renderer *
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1533 make_ft_text_renderer (void)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1534 {
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1535 #if defined (HAVE_FREETYPE)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1536 return new ft_text_renderer ();
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1537 #else
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1538 return 0;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1539 #endif
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1540 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1541 }

Mercurial > octave

annotate libinterp/corefcn/ft-text-renderer.cc @ 29683:5ffe7159f94b