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

annotate libinterp/corefcn/ft-text-renderer.cc @ 22868:87e3163f6c87

use c++11 "= default" syntax for declaration of trivial destructors * make_int.cc, Canvas.h, GenericEventNotify.h, TextEdit.h, gl-select.h, QTerminal.h, files-dock-widget.h, history-dock-widget.h, octave-cmd.h, octave-dock-widget.h, octave-interpreter.h, thread-manager.h, welcome-wizard.h, workspace-model.h, workspace-view.h, base-text-renderer.h, comment-list.h, debug.h, dynamic-ld.cc, dynamic-ld.h, ft-text-renderer.cc, gl-render.h, gl2ps-print.cc, graphics.in.h, hook-fcn.h, input.h, load-path.h, mxarray.in.h, oct-errno.h, oct-fstrm.h, oct-handle.h, oct-iostrm.h, oct-lvalue.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h, pr-output.cc, procstream.h, sighandlers.cc, symtab.h, text-renderer.h, txt-eng.h, variables.cc, workspace-element.h, __init_fltk__.cc, __init_gnuplot__.cc, ov-base-diag.h, ov-base-int.h, ov-base-scalar.h, ov-base-sparse.h, ov-base.h, ov-bool-mat.h, ov-bool-sparse.h, ov-bool.h, ov-builtin.h, ov-cell.h, ov-ch-mat.h, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-colon.h, ov-complex.cc, ov-complex.h, ov-cs-list.h, ov-cx-diag.h, ov-cx-mat.h, ov-cx-sparse.h, ov-fcn-handle.h, ov-fcn-inline.h, ov-fcn.h, ov-float.h, ov-flt-complex.h, ov-flt-cx-diag.h, ov-flt-cx-mat.h, ov-flt-re-diag.h, ov-flt-re-mat.h, ov-intx.h, ov-lazy-idx.h, ov-re-diag.h, ov-re-mat.h, ov-re-sparse.h, ov-scalar.h, ov-str-mat.h, ov-struct.h, ov-typeinfo.h, ov-usr-fcn.h, ovl.h, octave.h, lex.h, parse.h, pt-binop.h, pt-bp.h, pt-cell.h, pt-check.h, pt-classdef.h, pt-cmd.h, pt-const.h, pt-decl.h, pt-eval.h, pt-exp.h, pt-fcn-handle.h, pt-funcall.h, pt-id.h, pt-jump.h, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.h, pt-pr-code.h, pt-unop.h, pt-walk.h, pt.h, DiagArray2.h, MArray.h, MDiagArray2.h, MSparse.h, idx-vector.h, quit.h, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK.h, DASRT.h, DASSL.h, EIG.h, LSODE.h, ODE.h, ODEFunc.h, ODES.h, ODESFunc.h, Quad.h, aepbalance.h, base-dae.h, base-de.h, base-min.h, fEIG.h, gepbalance.h, gsvd.h, hess.h, lu.h, oct-rand.h, oct-spparms.h, qr.h, qrp.h, schur.h, sparse-lu.h, svd.h, child-list.h, file-stat.h, oct-passwd.h, oct-time.h, oct-uname.h, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, glob-match.h, lo-array-errwarn.h, lo-regexp.h, oct-mutex.h, pathsearch.h, str-vec.h, url-transfer.h:

author	John W. Eaton <jwe@octave.org>
date	Tue, 06 Dec 2016 10:59:29 -0500
parents	89756f2f085b
children	f75d289645ec

rev	line source
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1 /*
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	2
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	3 Copyright (C) 2016 John W. Eaton
22323 bac0d6f07a3e maint: Update copyright notices for 2016. John W. Eaton <jwe@octave.org> parents: 22173 diff changeset	4 Copyright (C) 2009-2016 Michael Goffioul
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	5
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	6 This file is part of Octave.
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	7
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22515 diff changeset	9 under the terms of the GNU General Public License as published by
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22515 diff changeset	10 the Free Software Foundation; either version 3 of the License, or
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22515 diff changeset	11 (at your option) any later version.
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	12
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22515 diff changeset	13 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22515 diff changeset	14 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22515 diff changeset	15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22515 diff changeset	16 GNU General Public License for more details.
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	17
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	18 You should have received a copy of the GNU General Public License
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	19 along with Octave; see the file COPYING. If not, see
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	20 <http://www.gnu.org/licenses/>.
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	21
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	22 */
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	23
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21568 diff changeset	24 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21209 diff changeset	25 # include "config.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	26 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	27
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	28 #include "base-text-renderer.h"
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	29
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	30 #if defined (HAVE_FREETYPE)
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	31
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	32 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC)
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	33 #pragma GCC diagnostic push
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	34 #pragma GCC diagnostic ignored "-Wold-style-cast"
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	35 #endif
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	36
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	37 #include <ft2build.h>
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	38 #include FT_FREETYPE_H
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	39
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	40 #if defined (HAVE_FONTCONFIG)
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21102 diff changeset	41 # include <fontconfig/fontconfig.h>
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	42 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	43
21334 36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	44 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC)
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	45 #pragma GCC diagnostic pop
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	46 #endif
36e75e013849 * ft-text-renderer.cc: Use pragma to avoid old-style cast warnings. John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	47
17352 4a348443de9b Support multibyte characters in Freetype-based renderer (bug #31596). Michael Goffioul <michael.goffioul@gmail.com> parents: 17330 diff changeset	48 #include <clocale>
4a348443de9b Support multibyte characters in Freetype-based renderer (bug #31596). Michael Goffioul <michael.goffioul@gmail.com> parents: 17330 diff changeset	49 #include <cwchar>
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	50 #include <iostream>
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	51 #include <map>
ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	52 #include <utility>
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	53
13992 e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	54 #include "singleton-cleanup.h"
e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	55
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	56 #include "error.h"
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	57 #include "pr-output.h"
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	58 #include "text-renderer.h"
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	59
17377 15e2ad6372f7 maint: Tweaks to remove compiler warnings. Rik <rik@octave.org> parents: 17352 diff changeset	60 // FIXME: maybe issue at most one warning per glyph/font/size/weight
15e2ad6372f7 maint: Tweaks to remove compiler warnings. Rik <rik@octave.org> parents: 17352 diff changeset	61 // combination.
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	62
d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	63 static void
21102 dfcb9d74b253 Rename local gripe_XXX functions to err_XXX or warn_XXX. Rik <rik@octave.org> parents: 20974 diff changeset	64 warn_missing_glyph (FT_ULong c)
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	65 {
d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	66 warning_with_id ("Octave:missing-glyph",
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	67 "text_renderer: skipping missing glyph for character '%x'", c);
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	68 }
d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	69
d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	70 static void
21102 dfcb9d74b253 Rename local gripe_XXX functions to err_XXX or warn_XXX. Rik <rik@octave.org> parents: 20974 diff changeset	71 warn_glyph_render (FT_ULong c)
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	72 {
d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	73 warning_with_id ("Octave:glyph-render",
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	74 "text_renderer: unable to render glyph for character '%x'", c);
13317 d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	75 }
d2b799e3178a allow warnings about missing glyphs to be disabled John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	76
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	77 #if defined (_MSC_VER)
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	78 // FIXME: is this really needed?
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	79 //
17377 15e2ad6372f7 maint: Tweaks to remove compiler warnings. Rik <rik@octave.org> parents: 17352 diff changeset	80 // This is just a trick to avoid multiple symbol definitions.
13730 a2c74b5c02de [MSVC] Prevent duplicate symbol. Michael Goffioul <michael.goffioul@gmail.com> parents: 13317 diff changeset	81 // PermMatrix.h contains a dllexport'ed Array<octave_idx_type>
17377 15e2ad6372f7 maint: Tweaks to remove compiler warnings. Rik <rik@octave.org> parents: 17352 diff changeset	82 // that will cause MSVC not to generate a new instantiation and
15e2ad6372f7 maint: Tweaks to remove compiler warnings. Rik <rik@octave.org> parents: 17352 diff changeset	83 // use the imported one instead.
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	84 # include "PermMatrix.h"
13730 a2c74b5c02de [MSVC] Prevent duplicate symbol. Michael Goffioul <michael.goffioul@gmail.com> parents: 13317 diff changeset	85 #endif
a2c74b5c02de [MSVC] Prevent duplicate symbol. Michael Goffioul <michael.goffioul@gmail.com> parents: 13317 diff changeset	86
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	87 // Forward declaration
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	88 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	89
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	90 namespace octave
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	91 {
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	92 class
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	93 ft_manager
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	94 {
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	95 public:
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	96 static bool instance_ok (void)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	97 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	98 bool retval = true;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	99
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	100 if (! instance)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	101 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	102 instance = new ft_manager ();
13992 e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	103
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	104 if (instance)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	105 singleton_cleanup_list::add (cleanup_instance);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	106 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	107
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	108 if (! instance)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	109 error ("unable to create ft_manager!");
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	110
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	111 return retval;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	112 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	113
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	114 static void cleanup_instance (void) { delete instance; instance = 0; }
13992 e1f76bfe0452 apply singleton_cleanup to a few more classes John W. Eaton <jwe@octave.org> parents: 13730 diff changeset	115
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	116 static FT_Face get_font (const std::string& name, const std::string& weight,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	117 const std::string& angle, double size)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	118 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	119 return (instance_ok ()
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	120 ? instance->do_get_font (name, weight, angle, size)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	121 : 0);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	122 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	123
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	124 static void font_destroyed (FT_Face face)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	125 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	126 if (instance_ok ())
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	127 instance->do_font_destroyed (face);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	128 }
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	129
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	130 private:
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	131
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	132 static ft_manager *instance;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	133
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	134 typedef std::pair<std::string, double> ft_key;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	135 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	136
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	137 // 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	138 // 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	139 // in class text_renderer.
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	140 ft_cache cache;
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	141
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	142 private:
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	143
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	144 // No copying!
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	145
22865 89756f2f085b use c++11 style for deleting default copy constructor and assignment operator John W. Eaton <jwe@octave.org> parents: 22862 diff changeset	146 ft_manager (const ft_manager&) = delete;
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	147
22865 89756f2f085b use c++11 style for deleting default copy constructor and assignment operator John W. Eaton <jwe@octave.org> parents: 22862 diff changeset	148 ft_manager& operator = (const ft_manager&) = delete;
12122 f4689107dd8c Explicitly disallow copying in some classes. Pascal Dupuis <Pascal.Dupuis@uclouvain.be> parents: 11586 diff changeset	149
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	150 ft_manager (void)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	151 : library (), freetype_initialized (false), fontconfig_initialized (false)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	152 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	153 if (FT_Init_FreeType (&library))
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	154 error ("unable to initialize FreeType library");
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	155 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	156 freetype_initialized = true;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	157
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	158 #if defined (HAVE_FONTCONFIG)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	159 if (! FcInit ())
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	160 error ("unable to initialize fontconfig library");
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	161 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	162 fontconfig_initialized = true;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	163 #endif
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	164 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	165
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	166 ~ft_manager (void)
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 if (freetype_initialized)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	169 FT_Done_FreeType (library);
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	170
1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	171 #if defined (HAVE_FONTCONFIG)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	172 // FIXME: Skip the call to FcFini because it can trigger the assertion
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	173 //
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	174 // octave: fccache.c:507: FcCacheFini: Assertion 'fcCacheChains[i] == ((void *)0)' failed.
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	175 //
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	176 // if (fontconfig_initialized)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	177 // FcFini ();
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	178 #endif
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	179 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	180
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	181 FT_Face do_get_font (const std::string& name, const std::string& weight,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	182 const std::string& angle, double size)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	183 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	184 FT_Face retval = 0;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	185
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	186 #if defined (HAVE_FT_REFERENCE_FACE)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	187 // 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	188 // 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	189
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	190 ft_key key (name + ":" + weight + ":" + angle, size);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	191 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	192
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	193 if (it != cache.end ())
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	194 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	195 FT_Reference_Face (it->second);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	196 return it->second;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	197 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	198 #endif
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	199
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	200 std::string file;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	201
14003 1555c5a177c9 better fix for fontconfig segfault John W. Eaton <jwe@octave.org> parents: 13999 diff changeset	202 #if defined (HAVE_FONTCONFIG)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	203 if (fontconfig_initialized)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	204 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	205 int fc_weight, fc_angle;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	206
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	207 if (weight == "bold")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	208 fc_weight = FC_WEIGHT_BOLD;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	209 else if (weight == "light")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	210 fc_weight = FC_WEIGHT_LIGHT;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	211 else if (weight == "demi")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	212 fc_weight = FC_WEIGHT_DEMIBOLD;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	213 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	214 fc_weight = FC_WEIGHT_NORMAL;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	215
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	216 if (angle == "italic")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	217 fc_angle = FC_SLANT_ITALIC;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	218 else if (angle == "oblique")
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	219 fc_angle = FC_SLANT_OBLIQUE;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	220 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	221 fc_angle = FC_SLANT_ROMAN;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	222
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	223 FcPattern *pat = FcPatternCreate ();
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	224
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	225 FcPatternAddString (pat, FC_FAMILY,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	226 (reinterpret_cast<const FcChar8*>
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	227 (name == "*" ? "sans" : name.c_str ())));
9616 2093499ec9f4 avoid crash if default font can't be found John W. Eaton <jwe@octave.org> parents: 9406 diff changeset	228
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	229 FcPatternAddInteger (pat, FC_WEIGHT, fc_weight);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	230 FcPatternAddInteger (pat, FC_SLANT, fc_angle);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	231 FcPatternAddDouble (pat, FC_PIXEL_SIZE, size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	232
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	233 if (FcConfigSubstitute (0, pat, FcMatchPattern))
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	234 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	235 FcResult res;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	236 FcPattern *match;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	237
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	238 FcDefaultSubstitute (pat);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	239 match = FcFontMatch (0, pat, &res);
9833 637fa784d102 Allow more font matches godfrey@isl.Stanford.EDU parents: 9619 diff changeset	240
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	241 // FIXME: originally, this test also required that
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	242 // res != FcResultNoMatch. Is that really needed?
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	243 if (match)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	244 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	245 unsigned char *tmp;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	246
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	247 FcPatternGetString (match, FC_FILE, 0, &tmp);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	248 file = reinterpret_cast<char*> (tmp);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	249 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	250 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	251 ::warning ("could not match any font: %s-%s-%s-%g",
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	252 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	253 size);
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	254
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	255 if (match)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	256 FcPatternDestroy (match);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	257 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	258
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	259 FcPatternDestroy (pat);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	260 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	261 #endif
4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	262
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	263 if (file.empty ())
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	264 {
21979 d04da18a407a use OCTAVE_USE_WINDOWS_API more consistently John W. Eaton <jwe@octave.org> parents: 21942 diff changeset	265 #if defined (OCTAVE_USE_WINDOWS_API)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	266 file = "C:/WINDOWS/Fonts/verdana.ttf";
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	267 #else
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	268 // FIXME: find a "standard" font for UNIX platforms
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	269 #endif
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	270 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	271
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	272 if (! file.empty ())
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	273 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	274 if (FT_New_Face (library, file.c_str (), 0, &retval))
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	275 ::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	276 #if defined (HAVE_FT_REFERENCE_FACE)
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	277 else
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	278 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	279 // 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	280 // 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	281 // 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	282
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	283 retval->generic.data = new ft_key (key);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	284 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	285
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	286 // Insert loaded font into the cache.
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	287
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	288 cache[key] = retval;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	289 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	290 #endif
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	291 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	292
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	293 return retval;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	294 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	295
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	296 void do_font_destroyed (FT_Face face)
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 if (face->generic.data)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	299 {
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	300 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	301
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	302 cache.erase (*pkey);
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	303 delete pkey;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	304 face->generic.data = 0;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	305 }
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	306 }
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	307
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	308 private:
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	309 FT_Library library;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	310 bool freetype_initialized;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	311 bool fontconfig_initialized;
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	312 };
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	313
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	314 ft_manager *ft_manager::instance = 0;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	315
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	316 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	317
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	318 static void
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	319 ft_face_destroyed (void *object)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	320 {
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	321 octave::ft_manager::font_destroyed (reinterpret_cast<FT_Face> (object));
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	322 }
17270 ba865ea9c7e9 Add simple FreeType font cache in class ft_manager. Michael Goffioul <michael.goffioul@gmail.com> parents: 17269 diff changeset	323
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	324 namespace octave
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	325 {
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	326 class
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	327 OCTINTERP_API
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	328 ft_text_renderer : public base_text_renderer
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	329 {
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	330 public:
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	331
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	332 enum
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	333 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	334 MODE_BBOX = 0,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	335 MODE_RENDER = 1
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	336 };
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	337
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	338 enum
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	339 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	340 ROTATION_0 = 0,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	341 ROTATION_90 = 1,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	342 ROTATION_180 = 2,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	343 ROTATION_270 = 3
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	344 };
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	345
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	346 public:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	347
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	348 ft_text_renderer (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	349 : base_text_renderer (), font (), bbox (1, 4, 0.0), halign (0),
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	350 xoffset (0), line_yoffset (0), yoffset (0), mode (MODE_BBOX),
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	351 color (dim_vector (1, 3), 0)
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	352 { }
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	353
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	354 ~ft_text_renderer (void) = default;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	355
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	356 void visit (text_element_string& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	357
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	358 void visit (text_element_list& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	359
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	360 void visit (text_element_subscript& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	361
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	362 void visit (text_element_superscript& e);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	363
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	364 void visit (text_element_color& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	365
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	366 void visit (text_element_fontsize& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	367
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	368 void visit (text_element_fontname& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	369
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	370 void visit (text_element_fontstyle& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	371
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	372 void visit (text_element_symbol& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	373
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	374 void visit (text_element_combined& e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	375
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	376 void reset (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	377
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	378 uint8NDArray get_pixels (void) const { return pixels; }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	379
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	380 Matrix get_boundingbox (void) const { return bbox; }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	381
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	382 uint8NDArray render (text_element *elt, Matrix& box,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	383 int rotation = ROTATION_0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	384
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	385 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	386 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	387 const caseless_str& interpreter);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	388
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	389 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	390 const std::string& angle, double size);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	391
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	392 void set_color (const Matrix& c);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	393
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	394 void set_mode (int m);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	395
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	396 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	397 uint8NDArray& pxls, Matrix& bbox,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	398 int halign, int valign, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	399 const caseless_str& interpreter,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	400 bool handle_rotation);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	401
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	402 private:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	403
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	404 int rotation_to_mode (double rotation) const;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	405
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	406 // No copying!
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	407
22865 89756f2f085b use c++11 style for deleting default copy constructor and assignment operator John W. Eaton <jwe@octave.org> parents: 22862 diff changeset	408 ft_text_renderer (const ft_text_renderer&) = delete;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	409
22865 89756f2f085b use c++11 style for deleting default copy constructor and assignment operator John W. Eaton <jwe@octave.org> parents: 22862 diff changeset	410 ft_text_renderer& operator = (const ft_text_renderer&) = delete;
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	411
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	412 // 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	413 // 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	414
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	415 class ft_font : public text_renderer::font
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	416 {
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	417 public:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	418
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	419 ft_font (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	420 : text_renderer::font (), face (0) { }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	421
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	422 ft_font (const std::string& nm, const std::string& wt,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	423 const std::string& ang, double sz, FT_Face f = 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	424 : 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	425 { }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	426
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	427 ft_font (const ft_font& ft);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	428
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	429 ~ft_font (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	430 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	431 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	432 FT_Done_Face (face);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	433 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	434
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	435 ft_font& operator = (const ft_font& ft);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	436
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	437 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	438
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	439 FT_Face get_face (void) const;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	440
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	441 private:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	442
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	443 mutable FT_Face face;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	444 };
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	445
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	446 void push_new_line (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	447
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	448 void update_line_bbox (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	449
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	450 void compute_bbox (void);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	451
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	452 int compute_line_xoffset (const Matrix& lb) const;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	453
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	454 FT_UInt process_character (FT_ULong code, FT_UInt previous = 0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	455
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	456 public:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	457
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	458 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	459 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	460 int halign, int valign, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	461 const caseless_str& interp);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	462
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	463 private:
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	464
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	465 // The current font used by the renderer.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	466 ft_font font;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	467
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	468 // 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	469 // 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	470 // 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	471 // 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	472 // multiple lines, the value y is usually negative.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	473 Matrix bbox;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	474
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	475 // 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	476 // 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	477 uint8NDArray pixels;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	478
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	479 // 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	480 // multiline text properly.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	481 std::list<Matrix> line_bbox;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	482
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	483 // The current horizontal alignment. This is used to align multi-line text.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	484 int halign;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	485
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	486 // The X offset for the next glyph.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	487 int xoffset;
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 // The Y offset of the baseline for the current line.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	490 int line_yoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	491
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	492 // 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	493 // 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	494 // line_yoffset + yoffset.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	495 int yoffset;
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 // The current mode of the rendering process (box computing or rendering).
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	498 int mode;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	499
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	500 // The base color of the rendered text.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	501 uint8NDArray color;
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 // A list of parsed strings to be used for printing.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	504 std::list<text_renderer::string> strlist;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	505
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	506 // The X offset of the baseline for the current line.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	507 int line_xoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	508
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	509 };
67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	510
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	511 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	512 ft_text_renderer::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	513 const std::string& angle, double size)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	514 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	515 // FIXME: take "fontunits" into account
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	516
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	517 font = ft_font (name, weight, angle, size, 0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	518 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	519
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	520 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	521 ft_text_renderer::push_new_line (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	522 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	523 switch (mode)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	524 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	525 case MODE_BBOX:
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 // 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	528
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	529 FT_Face face = font.get_face ();
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	530
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	531 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	532 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	533 int asc = face->size->metrics.ascender >> 6;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	534 int desc = face->size->metrics.descender >> 6;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	535 int h = face->size->metrics.height >> 6;
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 Matrix bb (1, 5, 0.0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	538
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	539 bb(1) = desc;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	540 bb(3) = asc - desc;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	541 bb(4) = h;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	542
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	543 line_bbox.push_back (bb);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	544
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	545 xoffset = yoffset = 0;
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 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	548 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	549
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	550 case MODE_RENDER:
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 // 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	553 // 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	554
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	555 Matrix old_bbox = line_bbox.front ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	556 line_bbox.pop_front ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	557 Matrix new_bbox = line_bbox.front ();
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 xoffset = line_xoffset = compute_line_xoffset (new_bbox);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	560 line_yoffset += (old_bbox(1) - (new_bbox(1) + new_bbox(3)));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	561 yoffset = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	562 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	563 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	564 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	565 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	566
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	567 int
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	568 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	569 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	570 if (! bbox.is_empty ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	571 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	572 switch (halign)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	573 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	574 case 0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	575 return 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	576 case 1:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	577 return (bbox(2) - lb(2)) / 2;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	578 case 2:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	579 return (bbox(2) - lb(2));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	580 }
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
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	583 return 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	584 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	585
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	586 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	587 ft_text_renderer::compute_bbox (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	588 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	589 // 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	590 // bounding box for the entire text string.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	591
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	592 bbox = Matrix ();
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 switch (line_bbox.size ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	595 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	596 case 0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	597 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	598
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	599 case 1:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	600 bbox = line_bbox.front ().extract (0, 0, 0, 3);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	601 break;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	602
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	603 default:
22862 e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	604 for (const auto& lbox : line_bbox)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	605 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	606 if (bbox.is_empty ())
22862 e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	607 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	608 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	609 {
22862 e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	610 bbox(1) -= lbox(3);
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	611 bbox(3) += lbox(3);
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	612 bbox(2) = octave::math::max (bbox(2), lbox(2));
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	613 }
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 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	616 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	617 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	618
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	619 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	620 ft_text_renderer::update_line_bbox (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	621 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	622 // 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	623 // 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	624 // 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	625 // the line's baseline.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	626
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	627 if (mode == MODE_BBOX)
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 int asc = font.get_face ()->size->metrics.ascender >> 6;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	630 int desc = font.get_face ()->size->metrics.descender >> 6;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	631
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	632 Matrix& bb = line_bbox.back ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	633
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	634 if ((yoffset + desc) < bb(1))
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	635 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	636 // The new font goes below the bottom of the current bbox.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	637
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	638 int delta = bb(1) - (yoffset + desc);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	639
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	640 bb(1) -= delta;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	641 bb(3) += delta;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	642 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	643
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	644 if ((yoffset + asc) > (bb(1) + bb(3)))
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	645 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	646 // The new font goes above the top of the current bbox.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	647
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	648 int delta = (yoffset + asc) - (bb(1) + bb(3));
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	649
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	650 bb(3) += delta;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	651 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	652 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	653 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	654
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	655 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	656 ft_text_renderer::set_mode (int m)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	657 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	658 mode = m;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	659
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	660 switch (mode)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	661 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	662 case MODE_BBOX:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	663 xoffset = line_yoffset = yoffset = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	664 bbox = Matrix (1, 4, 0.0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	665 line_bbox.clear ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	666 push_new_line ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	667 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	668
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	669 case MODE_RENDER:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	670 if (bbox.numel () != 4)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	671 {
22515 77b50a83ec11 Error out, rather than segfault, when fontname is "" (bug #49102). Rik <rik@octave.org> parents: 22407 diff changeset	672 ::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	673
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	674 xoffset = line_yoffset = yoffset = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	675 pixels = uint8NDArray ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	676 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	677 else
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 dim_vector d (4, octave_idx_type (bbox(2)),
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	680 octave_idx_type (bbox(3)));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	681 pixels = uint8NDArray (d, static_cast<uint8_t> (0));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	682 xoffset = compute_line_xoffset (line_bbox.front ());
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	683 line_yoffset = -bbox(1)-1;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	684 yoffset = 0;
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 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	687
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	688 default:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	689 error ("ft_text_renderer: invalid mode '%d'", mode);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	690 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	691 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	692 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	693
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	694 FT_UInt
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	695 ft_text_renderer::process_character (FT_ULong code, FT_UInt previous)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	696 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	697 FT_Face face = font.get_face ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	698 FT_UInt glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	699
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	700 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	701 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	702 glyph_index = FT_Get_Char_Index (face, code);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	703
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	704 if (code != '\n'
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	705 && (! glyph_index
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	706 \|\| 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	707 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	708 glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	709 warn_missing_glyph (code);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	710 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	711 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	712 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	713 switch (mode)
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 MODE_RENDER:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	716 if (code == '\n')
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	717 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	718 glyph_index = FT_Get_Char_Index (face, ' ');
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	719 if (! glyph_index
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	720 \|\| 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	721 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	722 glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	723 warn_missing_glyph (' ');
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	724 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	725 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	726 push_new_line ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	727 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	728 else if (FT_Render_Glyph (face->glyph, FT_RENDER_MODE_NORMAL))
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 glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	731 warn_glyph_render (code);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	732 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	733 else
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 FT_Bitmap& bitmap = face->glyph->bitmap;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	736 int x0, y0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	737
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	738 if (previous)
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 FT_Vector delta;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	741
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	742 FT_Get_Kerning (face, previous, glyph_index,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	743 FT_KERNING_DEFAULT, &delta);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	744 xoffset += (delta.x >> 6);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	745 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	746
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	747 x0 = xoffset + face->glyph->bitmap_left;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	748 y0 = line_yoffset + yoffset + face->glyph->bitmap_top;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	749
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	750 // 'w' seems to have a negative -1
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	751 // face->glyph->bitmap_left, this is so we don't
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	752 // index out of bound, and assumes we've allocated
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	753 // the right amount of horizontal space in the bbox.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	754 if (x0 < 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	755 x0 = 0;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	756
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	757 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	758 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	759 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	760 unsigned char pix = bitmap.buffer[r*bitmap.width+c];
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	761 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	762 \|\| y0-r < 0 \|\| y0-r >= pixels.dim3 ())
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 //::warning ("ft_text_renderer: pixel out of bound (char=%d, (x,y)=(%d,%d), (w,h)=(%d,%d)",
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	765 // str[i], x0+c, y0-r, pixels.dim2 (), pixels.dim3 ());
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	766 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	767 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	768 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	769 pixels(0, x0+c, y0-r) = color(0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	770 pixels(1, x0+c, y0-r) = color(1);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	771 pixels(2, x0+c, y0-r) = color(2);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	772 pixels(3, x0+c, y0-r) = pix;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	773 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	774 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	775
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	776 xoffset += (face->glyph->advance.x >> 6);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	777 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	778 break;
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 case MODE_BBOX:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	781 if (code == '\n')
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	782 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	783 glyph_index = FT_Get_Char_Index (face, ' ');
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	784 if (! glyph_index
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	785 \|\| 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	786 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	787 glyph_index = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	788 warn_missing_glyph (' ');
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	789 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	790 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	791 push_new_line ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	792 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	793 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	794 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	795 Matrix& bb = line_bbox.back ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	796
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	797 // If we have a previous glyph, use kerning information.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	798 // This usually means moving a bit backward before adding
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	799 // the next glyph. That is, "delta.x" is usually < 0.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	800 if (previous)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	801 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	802 FT_Vector delta;
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 FT_Get_Kerning (face, previous, glyph_index,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	805 FT_KERNING_DEFAULT, &delta);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	806
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	807 xoffset += (delta.x >> 6);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	808 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	809
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	810 // Extend current X offset box by the width of the current
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	811 // glyph. Then extend the line bounding box if necessary.
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 xoffset += (face->glyph->advance.x >> 6);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	814 bb(2) = octave::math::max (bb(2), xoffset);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	815 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	816 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	817 }
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 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	820
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	821 return glyph_index;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	822 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	823
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	824 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	825 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	826 std::list<text_renderer::string>& lst,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	827 Matrix& box,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	828 int ha, int va, double rot,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	829 const caseless_str& interp)
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 uint8NDArray pxls;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	832
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	833 // 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	834
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	835 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	836
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	837 lst = strlist;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	838 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	839
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	840 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	841 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	842 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	843 if (font.is_valid ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	844 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	845 FT_UInt glyph_index, previous = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	846
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	847 std::string str = e.string_value ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	848 size_t n = str.length ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	849 size_t curr = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	850 size_t idx = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	851 mbstate_t ps;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	852 memset (&ps, 0, sizeof (ps)); // Initialize state to 0.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	853 wchar_t wc;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	854
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	855 text_renderer::string fs (str, font, xoffset, yoffset);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	856
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	857 while (n > 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	858 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	859 size_t r = std::mbrtowc (&wc, str.data () + curr, n, &ps);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	860
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	861 if (r > 0
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	862 && r != static_cast<size_t> (-1)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	863 && r != static_cast<size_t> (-2))
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	864 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	865 n -= r;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	866 curr += r;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	867
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	868 if (wc == L'\n')
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	869 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	870 // Finish previous string in srtlist before processing
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	871 // the newline character
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	872 fs.set_y (line_yoffset + yoffset);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	873 fs.set_color (color);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	874 std::string s = str.substr (idx, curr - idx - 1);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	875 if (! s.empty ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	876 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	877 fs.set_string (s);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	878 strlist.push_back (fs);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	879 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	880 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	881
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	882 glyph_index = process_character (wc, previous);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	883
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	884 if (wc == L'\n')
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	885 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	886 previous = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	887 // Start a new string in strlist
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	888 idx = curr;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	889 fs = text_renderer::string (str.substr (idx), font,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	890 line_xoffset, yoffset);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	891
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	892 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	893 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	894 previous = glyph_index;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	895 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	896 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	897 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	898 if (r != 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	899 ::warning ("ft_text_renderer: failed to decode string `%s' with "
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	900 "locale `%s'", str.c_str (),
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	901 std::setlocale (LC_CTYPE, 0));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	902 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	903 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	904 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	905
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	906 if (! fs.get_string ().empty ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	907 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	908 fs.set_y (line_yoffset + yoffset);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	909 fs.set_color (color);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	910 strlist.push_back (fs);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	911 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	912 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	913 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	914
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	915 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	916 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	917 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	918 // 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	919
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	920 ft_font saved_font (font);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	921 uint8NDArray saved_color (color);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	922
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	923 text_processor::visit (e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	924
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	925 font = saved_font;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	926 color = saved_color;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	927 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	928
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	929 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	930 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	931 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	932 ft_font saved_font (font);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	933 int saved_line_yoffset = line_yoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	934 int saved_yoffset = yoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	935
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	936 set_font (font.get_name (), font.get_weight (), font.get_angle (),
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	937 font.get_size () - 2);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	938
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	939 if (font.is_valid ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	940 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	941 int h = font.get_face ()->size->metrics.height >> 6;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	942
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	943 // Shifting the baseline by 2/3 the font height seems to produce
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	944 // decent result.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	945 yoffset -= (h * 2) / 3;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	946
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	947 if (mode == MODE_BBOX)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	948 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	949 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	950
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	951 text_processor::visit (e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	952
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	953 font = saved_font;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	954 // 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	955 // cannot be restored, because the saved value is not relevant anymore.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	956 if (line_yoffset == saved_line_yoffset)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	957 yoffset = saved_yoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	958 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	959
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	960 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	961 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	962 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	963 ft_font saved_font (font);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	964 int saved_line_yoffset = line_yoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	965 int saved_yoffset = yoffset;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	966
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	967 set_font (font.get_name (), font.get_weight (), font.get_angle (),
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	968 font.get_size () - 2);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	969
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	970 if (saved_font.is_valid ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	971 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	972 int s_asc = saved_font.get_face ()->size->metrics.ascender >> 6;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	973
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	974 // Shifting the baseline by 2/3 base font ascender seems to produce
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	975 // decent result.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	976 yoffset += (s_asc * 2) / 3;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	977
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	978 if (mode == MODE_BBOX)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	979 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	980 }
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 text_processor::visit (e);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	983
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	984 font = saved_font;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	985 // 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	986 // cannot be restored, because the saved value is not relevant anymore.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	987 if (line_yoffset == saved_line_yoffset)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	988 yoffset = saved_yoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	989 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	990
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	991 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	992 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	993 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	994 if (mode == MODE_RENDER)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	995 set_color (e.get_color ());
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	996 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	997
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	998 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	999 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	1000 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1001 double sz = e.get_fontsize ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1002
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1003 // 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	1004 // in the text object FontUnit.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1005
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1006 set_font (font.get_name (), font.get_weight (), font.get_angle (), sz);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1007
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1008 if (mode == MODE_BBOX)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1009 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1010 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1011
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1012 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1013 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	1014 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1015 set_font (e.get_fontname (), font.get_weight (), font.get_angle (),
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1016 font.get_size ());
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1017
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1018 if (mode == MODE_BBOX)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1019 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1020 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1021
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1022 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1023 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	1024 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1025 switch (e.get_fontstyle ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1026 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1027 case text_element_fontstyle::normal:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1028 set_font (font.get_name (), "normal", "normal", font.get_size ());
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1029 break;
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 case text_element_fontstyle::bold:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1032 set_font (font.get_name (), "bold", "normal", font.get_size ());
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1033 break;
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 case text_element_fontstyle::italic:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1036 set_font (font.get_name (), "normal", "italic", font.get_size ());
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1037 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1038
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1039 case text_element_fontstyle::oblique:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1040 set_font (font.get_name (), "normal", "oblique", font.get_size ());
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1041 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1042 }
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 if (mode == MODE_BBOX)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1045 update_line_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1046 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1047
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1048 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1049 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	1050 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1051 uint32_t code = e.get_symbol_code ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1052
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1053 text_renderer::string fs (std::string ("-"), font, xoffset, yoffset);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1054
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1055 if (code != text_element_symbol::invalid_code && font.is_valid ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1056 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1057 process_character (code);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1058 fs.set_code (code);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1059 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1060 else if (font.is_valid ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1061 ::warning ("ignoring unknown symbol: %d", e.get_symbol ());
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1062
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1063 if (fs.get_code ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1064 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1065 fs.set_y (line_yoffset + yoffset);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1066 fs.set_color (color);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1067 strlist.push_back (fs);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1068 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1069 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1070
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1071 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1072 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	1073 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1074 int saved_xoffset = xoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1075 int max_xoffset = xoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1076
22862 e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn. Rik <rik@octave.org> parents: 22755 diff changeset	1077 for (auto *txt_elt : e)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1078 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1079 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	1080 txt_elt->accept (*this);
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1081 max_xoffset = octave::math::max (xoffset, max_xoffset);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1082 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1083
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1084 xoffset = max_xoffset;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1085 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1086
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1087 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1088 ft_text_renderer::reset (void)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1089 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1090 set_mode (MODE_BBOX);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1091 set_color (Matrix (1, 3, 0.0));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1092 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1093
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1094 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1095 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	1096 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1097 if (c.numel () == 3)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1098 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1099 color(0) = static_cast<uint8_t> (c(0)*255);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1100 color(1) = static_cast<uint8_t> (c(1)*255);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1101 color(2) = static_cast<uint8_t> (c(2)*255);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1102 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1103 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1104 ::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	1105 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1106
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1107 uint8NDArray
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1108 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	1109 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1110 set_mode (MODE_BBOX);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1111 elt->accept (*this);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1112 compute_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1113 box = bbox;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1114
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1115 set_mode (MODE_RENDER);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1116 // Clear the list of parsed strings
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1117 strlist.clear ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1118
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1119 if (pixels.numel () > 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1120 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1121 elt->accept (*this);
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1122
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1123 switch (rotation)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1124 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1125 case ROTATION_0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1126 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1127
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1128 case ROTATION_90:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1129 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1130 Array<octave_idx_type> perm (dim_vector (3, 1));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1131 perm(0) = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1132 perm(1) = 2;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1133 perm(2) = 1;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1134 pixels = pixels.permute (perm);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1135
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1136 Array<idx_vector> idx (dim_vector (3, 1));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1137 idx(0) = idx_vector (':');
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1138 idx(1) = idx_vector (pixels.dim2 ()-1, -1, -1);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1139 idx(2) = idx_vector (':');
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1140 pixels = uint8NDArray (pixels.index (idx));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1141 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1142 break;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1143
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1144 case ROTATION_180:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1145 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1146 Array<idx_vector> idx (dim_vector (3, 1));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1147 idx(0) = idx_vector (':');
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1148 idx(1) = idx_vector (pixels.dim2 ()-1, -1, -1);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1149 idx(2) = idx_vector (pixels.dim3 ()-1, -1, -1);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1150 pixels = uint8NDArray (pixels.index (idx));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1151 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1152 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1153
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1154 case ROTATION_270:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1155 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1156 Array<octave_idx_type> perm (dim_vector (3, 1));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1157 perm(0) = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1158 perm(1) = 2;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1159 perm(2) = 1;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1160 pixels = pixels.permute (perm);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1161
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1162 Array<idx_vector> idx (dim_vector (3, 1));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1163 idx(0) = idx_vector (':');
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1164 idx(1) = idx_vector (':');
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1165 idx(2) = idx_vector (pixels.dim3 ()-1, -1, -1);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1166 pixels = uint8NDArray (pixels.index (idx));
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 break;
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 }
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1171
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1172 return pixels;
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
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1175 // Note:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1176 // x-extent accurately measures width of glyphs.
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1177 // 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	1178 // 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	1179
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1180 Matrix
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1181 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	1182 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1183 set_mode (MODE_BBOX);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1184 elt->accept (*this);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1185 compute_bbox ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1186
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1187 Matrix extent (1, 2, 0.0);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1188
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1189 switch (rotation_to_mode (rotation))
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1190 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1191 case ROTATION_0:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1192 case ROTATION_180:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1193 extent(0) = bbox(2);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1194 extent(1) = bbox(3);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1195 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1196
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1197 case ROTATION_90:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1198 case ROTATION_270:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1199 extent(0) = bbox(3);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1200 extent(1) = bbox(2);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1201 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1202
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1203 return extent;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1204 }
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 Matrix
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1207 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	1208 const caseless_str& interpreter)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1209 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1210 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	1211 Matrix extent = get_extent (elt, rotation);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1212 delete elt;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1213
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1214 return extent;
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
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1217 int
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1218 ft_text_renderer::rotation_to_mode (double rotation) const
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1219 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1220 // Clip rotation to range [0, 360]
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1221 while (rotation < 0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1222 rotation += 360.0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1223 while (rotation > 360.0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1224 rotation -= 360.0;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1225
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1226 if (rotation == 0.0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1227 return ROTATION_0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1228 else if (rotation == 90.0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1229 return ROTATION_90;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1230 else if (rotation == 180.0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1231 return ROTATION_180;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1232 else if (rotation == 270.0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1233 return ROTATION_270;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1234 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1235 return ROTATION_0;
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 void
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1239 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	1240 uint8NDArray& pxls, Matrix& box,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1241 int _halign, int valign, double rotation,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1242 const caseless_str& interpreter,
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1243 bool handle_rotation)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1244 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1245 int rot_mode = rotation_to_mode (rotation);
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 halign = _halign;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1248
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1249 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	1250 pxls = render (elt, box, rot_mode);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1251 delete elt;
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 if (pxls.is_empty ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1254 return; // nothing to render
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1255
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1256 switch (halign)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1257 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1258 case 1:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1259 box(0) = -box(2)/2;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1260 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1261
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1262 case 2:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1263 box(0) = -box(2);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1264 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1265
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1266 default:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1267 box(0) = 0;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1268 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1269 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1270
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1271 switch (valign)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1272 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1273 case 1:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1274 box(1) = -box(3)/2;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1275 break;
9403 4af6e29449c1 [mq]: graphics_text_engine Michael Goffioul <michael.goffioul@gmail.com> parents: diff changeset	1276
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1277 case 2:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1278 box(1) = -box(3);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1279 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1280
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1281 case 3:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1282 break;
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 4:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1285 box(1) = -box(3)-box(1);
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 default:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1289 box(1) = 0;
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
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1293 if (handle_rotation)
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1294 {
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1295 switch (rot_mode)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1296 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1297 case ROTATION_90:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1298 std::swap (box(0), box(1));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1299 std::swap (box(2), box(3));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1300 box(0) = -box(0)-box(2);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1301 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1302
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1303 case ROTATION_180:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1304 box(0) = -box(0)-box(2);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1305 box(1) = -box(1)-box(3);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1306 break;
17271 cb7233cfbf43 Prepare base text rendering code for full TeX support. Michael Goffioul <michael.goffioul@gmail.com> parents: 17270 diff changeset	1307
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1308 case ROTATION_270:
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1309 std::swap (box(0), box(1));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1310 std::swap (box(2), box(3));
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1311 box(1) = -box(1)-box(3);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1312 break;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1313 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1314 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1315 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1316
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1317 ft_text_renderer::ft_font::ft_font (const ft_font& ft)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1318 : text_renderer::font (ft), face (0)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1319 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1320 #if defined (HAVE_FT_REFERENCE_FACE)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1321 FT_Face ft_face = ft.get_face ();
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1322
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1323 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	1324 face = ft_face;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1325 #endif
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1326 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1327
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1328 ft_text_renderer::ft_font&
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1329 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	1330 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1331 if (&ft != this)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1332 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1333 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	1334
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1335 if (face)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1336 {
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1337 FT_Done_Face (face);
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1338 face = 0;
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1339 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1340
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1341 #if defined (HAVE_FT_REFERENCE_FACE)
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1342 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	1343
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1344 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	1345 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	1346 #endif
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1347 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1348
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1349 return *this;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1350 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1351
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1352 FT_Face
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1353 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	1354 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1355 if (! face && ! name.empty ())
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1356 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1357 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	1358
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1359 if (face)
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1360 {
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1361 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	1362 ::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	1363 }
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1364 else
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1365 ::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	1366 }
17330 219552139c18 Allow to compile with older freetype on RHEL5 (bug #39823). Michael Goffioul <michael.goffioul@gmail.com> parents: 17327 diff changeset	1367
22331 b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1368 return face;
b81b08cc4c83 maint: Indent namespaces in more files. John W. Eaton <jwe@octave.org> parents: 22326 diff changeset	1369 }
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1370 }
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1371
20945 9d9270e2f98f eliminate comments after preprocessor conditionals John W. Eaton <jwe@octave.org> parents: 20715 diff changeset	1372 #endif
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1373
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1374 namespace octave
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1375 {
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1376 base_text_renderer *
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1377 make_ft_text_renderer (void)
71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1378 {
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1379 #if defined (HAVE_FREETYPE)
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1380 return new ft_text_renderer ();
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1381 #else
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1382 return 0;
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1383 #endif
22326 71dd9d5a5ecd move more new classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	1384 }
21209 67d2965af0b5 revamp text rendering classes John W. Eaton <jwe@octave.org> parents: 21200 diff changeset	1385 }
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22331 diff changeset	1386

Mercurial > octave

annotate libinterp/corefcn/ft-text-renderer.cc @ 22868:87e3163f6c87