Mercurial > octave
annotate libinterp/corefcn/ft-text-renderer.cc @ 32628:ae4e19c0a2b1
maint: Place class name and class keyword on one line.
* libinterp/corefcn/Cell.h, libinterp/corefcn/__magick_read__.cc,
libinterp/corefcn/auto-shlib.h, libinterp/corefcn/base-text-renderer.h,
libinterp/corefcn/c-file-ptr-stream.h, libinterp/corefcn/call-stack.h,
libinterp/corefcn/dynamic-ld.h, libinterp/corefcn/event-manager.h,
libinterp/corefcn/event-queue.h, libinterp/corefcn/ft-text-renderer.cc,
libinterp/corefcn/gl-render.cc, libinterp/corefcn/gl-render.h,
libinterp/corefcn/gl2ps-print.cc, libinterp/corefcn/graphics.cc,
libinterp/corefcn/graphics.in.h, libinterp/corefcn/input.cc,
libinterp/corefcn/latex-text-renderer.cc, libinterp/corefcn/load-path.h,
libinterp/corefcn/mx-type-traits.h, libinterp/corefcn/oct-errno.h,
libinterp/corefcn/oct-fstrm.h, libinterp/corefcn/oct-iostrm.h,
libinterp/corefcn/oct-prcstrm.h, libinterp/corefcn/oct-procbuf.h,
libinterp/corefcn/oct-process.h, libinterp/corefcn/oct-stdstrm.h,
libinterp/corefcn/oct-stream.cc, libinterp/corefcn/oct-stream.h,
libinterp/corefcn/oct-strstrm.h, libinterp/corefcn/pager.h,
libinterp/corefcn/pr-flt-fmt.h, libinterp/corefcn/pr-output.cc,
libinterp/corefcn/pr-output.h, libinterp/corefcn/procstream.h,
libinterp/corefcn/syminfo.h, libinterp/corefcn/text-engine.h,
libinterp/corefcn/text-renderer.h, libinterp/corefcn/utils.h,
libinterp/octave-value/cdef-class.h, libinterp/octave-value/cdef-manager.h,
libinterp/octave-value/cdef-method.h, libinterp/octave-value/cdef-object.h,
libinterp/octave-value/cdef-package.h, libinterp/octave-value/cdef-property.h,
libinterp/octave-value/ov-base-diag.h, libinterp/octave-value/ov-base-int.h,
libinterp/octave-value/ov-base-mat.h, libinterp/octave-value/ov-base-scalar.h,
libinterp/octave-value/ov-base-sparse.h, libinterp/octave-value/ov-base.h,
libinterp/octave-value/ov-bool-mat.h, libinterp/octave-value/ov-bool-sparse.h,
libinterp/octave-value/ov-bool.h, libinterp/octave-value/ov-builtin.h,
libinterp/octave-value/ov-cell.h, libinterp/octave-value/ov-ch-mat.h,
libinterp/octave-value/ov-class.cc, libinterp/octave-value/ov-class.h,
libinterp/octave-value/ov-classdef.h, libinterp/octave-value/ov-colon.h,
libinterp/octave-value/ov-complex.h, libinterp/octave-value/ov-cs-list.h,
libinterp/octave-value/ov-cx-diag.h, libinterp/octave-value/ov-cx-mat.h,
libinterp/octave-value/ov-cx-sparse.h, libinterp/octave-value/ov-dld-fcn.h,
libinterp/octave-value/ov-fcn-handle.h, libinterp/octave-value/ov-fcn.h,
libinterp/octave-value/ov-float.h, libinterp/octave-value/ov-flt-complex.h,
libinterp/octave-value/ov-flt-cx-diag.h,
libinterp/octave-value/ov-flt-cx-mat.h,
libinterp/octave-value/ov-flt-re-diag.h,
libinterp/octave-value/ov-flt-re-mat.h, libinterp/octave-value/ov-int-traits.h,
libinterp/octave-value/ov-intx.h, libinterp/octave-value/ov-lazy-idx.h,
libinterp/octave-value/ov-legacy-range.cc,
libinterp/octave-value/ov-legacy-range.h,
libinterp/octave-value/ov-magic-int.h, libinterp/octave-value/ov-mex-fcn.h,
libinterp/octave-value/ov-null-mat.h, libinterp/octave-value/ov-perm.h,
libinterp/octave-value/ov-range-traits.h, libinterp/octave-value/ov-range.h,
libinterp/octave-value/ov-re-diag.h, libinterp/octave-value/ov-re-mat.h,
libinterp/octave-value/ov-re-sparse.h, libinterp/octave-value/ov-scalar.h,
libinterp/octave-value/ov-str-mat.h, libinterp/octave-value/ov-struct.h,
libinterp/octave-value/ov-typeinfo.h, libinterp/octave-value/ov-usr-fcn.h,
libinterp/octave-value/ov.h, libinterp/octave-value/ovl.h,
libinterp/parse-tree/comment-list.h, libinterp/parse-tree/lex.h,
libinterp/parse-tree/profiler.h, libinterp/parse-tree/pt-anon-scopes.h,
liboctave/array/Array.h, liboctave/array/CColVector.h,
liboctave/array/CDiagMatrix.h, liboctave/array/CMatrix.h,
liboctave/array/CNDArray.h, liboctave/array/CRowVector.h,
liboctave/array/CSparse.h, liboctave/array/DiagArray2.h,
liboctave/array/MArray.h, liboctave/array/MDiagArray2.h,
liboctave/array/MSparse.h, liboctave/array/MatrixType.h,
liboctave/array/Range.h, liboctave/array/Sparse.h,
liboctave/array/boolMatrix.h, liboctave/array/boolNDArray.h,
liboctave/array/boolSparse.h, liboctave/array/chMatrix.h,
liboctave/array/chNDArray.h, liboctave/array/dColVector.h,
liboctave/array/dDiagMatrix.h, liboctave/array/dMatrix.h,
liboctave/array/dNDArray.h, liboctave/array/dRowVector.h,
liboctave/array/dSparse.h, liboctave/array/dim-vector.h,
liboctave/array/fCColVector.h, liboctave/array/fCDiagMatrix.h,
liboctave/array/fCMatrix.h, liboctave/array/fCNDArray.h,
liboctave/array/fCRowVector.h, liboctave/array/fColVector.h,
liboctave/array/fDiagMatrix.h, liboctave/array/fMatrix.h,
liboctave/array/fNDArray.h, liboctave/array/fRowVector.h,
liboctave/array/idx-vector.h, liboctave/array/intNDArray.h,
liboctave/numeric/DAE.h, liboctave/numeric/DAEFunc.h,
liboctave/numeric/DAERT.h, liboctave/numeric/DAERTFunc.h,
liboctave/numeric/DASPK.h, liboctave/numeric/DASRT.h,
liboctave/numeric/DASSL.h, liboctave/numeric/DET.h, liboctave/numeric/EIG.h,
liboctave/numeric/LSODE.h, liboctave/numeric/ODE.h,
liboctave/numeric/ODEFunc.h, liboctave/numeric/ODES.h,
liboctave/numeric/ODESFunc.h, liboctave/numeric/Quad.h,
liboctave/numeric/aepbalance.h, liboctave/numeric/base-dae.h,
liboctave/numeric/base-de.h, liboctave/numeric/chol.h,
liboctave/numeric/fEIG.h, liboctave/numeric/gepbalance.h,
liboctave/numeric/gsvd.h, liboctave/numeric/hess.h, liboctave/numeric/lu.h,
liboctave/numeric/oct-fftw.h, liboctave/numeric/qr.h, liboctave/numeric/qrp.h,
liboctave/numeric/schur.h, liboctave/numeric/sparse-chol.h,
liboctave/numeric/sparse-lu.h, liboctave/numeric/sparse-qr.cc,
liboctave/numeric/sparse-qr.h, liboctave/numeric/svd.cc,
liboctave/numeric/svd.h, liboctave/system/dir-ops.h,
liboctave/system/file-stat.h, liboctave/system/oct-env.h,
liboctave/system/oct-group.h, liboctave/system/oct-password.h,
liboctave/system/oct-time.h, liboctave/system/oct-uname.h,
liboctave/util/action-container.h, liboctave/util/base-list.h,
liboctave/util/cmd-edit.cc, liboctave/util/cmd-edit.h,
liboctave/util/cmd-hist.cc, liboctave/util/cmd-hist.h,
liboctave/util/data-conv.h, liboctave/util/glob-match.h,
liboctave/util/lo-regexp.h, liboctave/util/oct-inttypes.h,
liboctave/util/oct-mutex.cc, liboctave/util/oct-mutex.h,
liboctave/util/oct-shlib.cc, liboctave/util/oct-shlib.h,
liboctave/util/oct-sort.h, liboctave/util/oct-string.h,
liboctave/util/octave-preserve-stream-state.h, liboctave/util/pathsearch.h,
liboctave/util/singleton-cleanup.h, liboctave/util/str-vec.h,
liboctave/util/unwind-prot.h, liboctave/util/url-transfer.h:
Place class name and class keyword on one line.
author | Rik <rik@octave.org> |
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date | Thu, 21 Dec 2023 11:22:26 -0800 |
parents | 05b4479c29d8 |
children | 4b601ca024d5 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2009-2023 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
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28 #endif |
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29 |
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30 #include "base-text-renderer.h" |
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31 #include "ft-text-renderer.h" |
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32 |
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33 #if defined (HAVE_FREETYPE) |
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34 |
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35 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
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36 # pragma GCC diagnostic push |
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37 # pragma GCC diagnostic ignored "-Wold-style-cast" |
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38 #endif |
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39 |
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40 #include <ft2build.h> |
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41 #include FT_FREETYPE_H |
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42 #include FT_GLYPH_H |
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43 |
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44 #if defined (HAVE_FONTCONFIG) |
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45 # include <fontconfig/fontconfig.h> |
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46 #endif |
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47 |
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48 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
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49 # pragma GCC diagnostic pop |
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50 #endif |
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51 |
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52 #include <clocale> |
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53 #include <cwchar> |
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54 #include <map> |
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55 #include <utility> |
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56 |
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57 #include "singleton-cleanup.h" |
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58 #include "unistr-wrappers.h" |
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59 |
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60 #include "defaults.h" |
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61 #include "error.h" |
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62 #include "file-ops.h" |
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63 #include "oct-env.h" |
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64 #include "pr-output.h" |
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65 #include "sysdep.h" |
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66 #include "text-renderer.h" |
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67 |
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68 OCTAVE_BEGIN_NAMESPACE(octave) |
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69 |
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70 // FIXME: maybe issue at most one warning per glyph/font/size/weight |
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71 // combination. |
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72 |
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73 static void |
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74 warn_missing_glyph (FT_ULong c) |
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75 { |
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76 warning_with_id ("Octave:missing-glyph", |
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77 "text_renderer: skipping missing glyph for character '%lx'", c); |
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78 } |
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79 |
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80 static void |
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81 warn_glyph_render (FT_ULong c) |
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82 { |
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83 warning_with_id ("Octave:glyph-render", |
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84 "text_renderer: unable to render glyph for character '%lx'", c); |
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85 } |
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86 |
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87 #if defined (_MSC_VER) |
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88 // FIXME: is this really needed? |
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89 // |
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90 // This is just a trick to avoid multiple symbol definitions. |
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91 // PermMatrix.h contains a dllexport'ed Array<octave_idx_type> |
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92 // that will cause MSVC not to generate a new instantiation and |
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93 // use the imported one instead. |
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94 # include "PermMatrix.h" |
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95 #endif |
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96 |
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97 // Forward declaration |
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98 static void ft_face_destroyed (void *object); |
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99 |
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100 class ft_manager |
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101 { |
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102 private: |
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103 |
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104 ft_manager () |
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105 : m_library (), m_freetype_initialized (false), |
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106 m_fontconfig_initialized (false) |
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107 { |
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108 if (FT_Init_FreeType (&m_library)) |
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109 error ("unable to initialize FreeType library"); |
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110 else |
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111 m_freetype_initialized = true; |
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112 |
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113 #if defined (HAVE_FONTCONFIG) |
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114 if (! FcInit ()) |
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115 error ("unable to initialize fontconfig library"); |
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116 else |
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117 m_fontconfig_initialized = true; |
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118 #endif |
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119 } |
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120 |
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121 public: |
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122 |
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123 OCTAVE_DISABLE_COPY_MOVE (ft_manager) |
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124 |
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125 private: |
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126 |
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127 ~ft_manager () |
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128 { |
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129 if (m_freetype_initialized) |
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130 FT_Done_FreeType (m_library); |
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131 |
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132 #if defined (HAVE_FONTCONFIG) |
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133 // FIXME: Skip the call to FcFini because it can trigger the assertion |
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134 // |
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135 // octave: fccache.c:507: FcCacheFini: Assertion 'fcCacheChains[i] == ((void *)0)' failed. |
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136 // |
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137 // if (m_fontconfig_initialized) |
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138 // FcFini (); |
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139 #endif |
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140 } |
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141 |
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142 public: |
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143 |
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144 static bool instance_ok () |
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145 { |
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146 bool retval = true; |
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147 |
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148 if (! s_instance) |
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149 { |
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150 s_instance = new ft_manager (); |
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151 singleton_cleanup_list::add (cleanup_instance); |
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152 } |
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153 |
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154 return retval; |
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155 } |
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156 |
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157 static void cleanup_instance () |
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158 { delete s_instance; s_instance = nullptr; } |
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159 |
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160 static FT_Face get_font (const std::string& name, const std::string& weight, |
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161 const std::string& angle, double size, |
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162 FT_ULong c = 0) |
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163 { |
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164 return (instance_ok () |
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165 ? s_instance->do_get_font (name, weight, angle, size, c) |
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166 : nullptr); |
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167 } |
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168 |
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169 static octave_map get_system_fonts () |
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170 { |
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171 return (instance_ok () |
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172 ? s_instance->do_get_system_fonts () |
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173 : octave_map ()); |
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174 } |
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175 |
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176 static void font_destroyed (FT_Face face) |
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177 { |
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178 if (instance_ok ()) |
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179 s_instance->do_font_destroyed (face); |
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180 } |
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181 |
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182 private: |
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183 |
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184 typedef std::pair<std::string, double> ft_key; |
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185 typedef std::map<ft_key, FT_Face> ft_cache; |
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186 |
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187 static octave_map do_get_system_fonts () |
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188 { |
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189 static octave_map font_map; |
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190 |
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191 if (font_map.isempty ()) |
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192 { |
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193 #if defined (HAVE_FONTCONFIG) |
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194 FcConfig *config = FcConfigGetCurrent(); |
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195 FcPattern *pat = FcPatternCreate (); |
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196 FcObjectSet *os = FcObjectSetBuild (FC_FAMILY, FC_SLANT, FC_WEIGHT, |
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197 FC_CHARSET, nullptr); |
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198 FcFontSet *fs = FcFontList (config, pat, os); |
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199 |
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200 if (fs->nfont > 0) |
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201 { |
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202 // Mark fonts that have at least all printable ASCII chars |
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203 FcCharSet *minimal_charset = FcCharSetCreate (); |
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204 for (int i = 32; i < 127; i++) |
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205 FcCharSetAddChar (minimal_charset, static_cast<FcChar32> (i)); |
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206 |
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207 string_vector fields (4); |
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208 fields(0) = "family"; |
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209 fields(1) = "angle"; |
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210 fields(2) = "weight"; |
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211 fields(3) = "suitable"; |
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212 |
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213 dim_vector dv (1, fs->nfont); |
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214 Cell families (dv); |
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215 Cell angles (dv); |
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216 Cell weights (dv); |
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217 Cell suitable (dv); |
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218 |
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219 unsigned char *family; |
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220 int val; |
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221 for (int i = 0; fs && i < fs->nfont; i++) |
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222 { |
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223 FcPattern *font = fs->fonts[i]; |
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224 if (FcPatternGetString (font, FC_FAMILY, 0, &family) |
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225 == FcResultMatch) |
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226 families(i) = std::string (reinterpret_cast<char *> (family)); |
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227 else |
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228 families(i) = "unknown"; |
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229 |
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230 if (FcPatternGetInteger (font, FC_SLANT, 0, &val) |
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231 == FcResultMatch) |
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232 angles(i) = (val == FC_SLANT_ITALIC |
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233 || val == FC_SLANT_OBLIQUE) |
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234 ? "italic" : "normal"; |
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235 else |
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236 angles(i) = "unknown"; |
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237 |
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238 if (FcPatternGetInteger (font, FC_WEIGHT, 0, &val) |
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239 == FcResultMatch) |
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240 weights(i) = (val == FC_WEIGHT_BOLD |
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241 || val == FC_WEIGHT_DEMIBOLD) |
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242 ? "bold" : "normal"; |
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243 else |
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244 weights(i) = "unknown"; |
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245 |
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246 FcCharSet *cset; |
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247 if (FcPatternGetCharSet (font, FC_CHARSET, 0, &cset) |
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248 == FcResultMatch) |
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249 suitable(i) = (FcCharSetIsSubset (minimal_charset, cset) |
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250 ? true : false); |
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251 else |
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252 suitable(i) = false; |
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253 } |
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254 |
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255 font_map = octave_map (dv, fields); |
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256 |
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257 font_map.assign ("family", families); |
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258 font_map.assign ("angle", angles); |
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259 font_map.assign ("weight", weights); |
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260 font_map.assign ("suitable", suitable); |
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261 |
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262 if (fs) |
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263 FcFontSetDestroy (fs); |
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264 } |
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265 #endif |
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266 } |
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267 |
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268 return font_map; |
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269 } |
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270 |
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271 FT_Face do_get_font (const std::string& name, const std::string& weight, |
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272 const std::string& angle, double size, |
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273 FT_ULong search_code_point) |
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274 { |
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275 FT_Face retval = nullptr; |
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276 |
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277 #if defined (HAVE_FT_REFERENCE_FACE) |
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278 // Look first into the font cache, then use fontconfig. If the font |
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279 // is present in the cache, simply add a reference and return it. |
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280 |
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281 ft_key key (name + ':' + weight + ':' + angle + ':' |
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282 + std::to_string (search_code_point), size); |
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283 ft_cache::const_iterator it = m_cache.find (key); |
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284 |
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285 if (it != m_cache.end ()) |
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286 { |
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287 FT_Reference_Face (it->second); |
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288 return it->second; |
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289 } |
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290 #endif |
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291 |
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292 static std::string fonts_dir; |
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293 |
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294 if (fonts_dir.empty ()) |
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295 { |
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296 fonts_dir = sys::env::getenv ("OCTAVE_FONTS_DIR"); |
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297 |
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298 if (fonts_dir.empty ()) |
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299 #if defined (SYSTEM_FREEFONT_DIR) |
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300 fonts_dir = SYSTEM_FREEFONT_DIR; |
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301 #else |
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302 fonts_dir = config::oct_fonts_dir (); |
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303 #endif |
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304 } |
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305 |
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306 |
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307 // Default font file |
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308 std::string file; |
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309 |
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310 if (! fonts_dir.empty ()) |
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311 { |
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312 file = fonts_dir + sys::file_ops::dir_sep_str () + "FreeSans"; |
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313 |
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314 if (weight == "bold") |
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315 file += "Bold"; |
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316 |
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317 if (angle == "italic" || angle == "oblique") |
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318 file += "Oblique"; |
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319 |
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320 file += ".otf"; |
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321 } |
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322 |
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323 #if defined (HAVE_FONTCONFIG) |
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324 if ((search_code_point != 0 || name != "*") && m_fontconfig_initialized) |
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325 { |
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326 int fc_weight, fc_angle; |
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327 |
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328 if (weight == "bold") |
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329 fc_weight = FC_WEIGHT_BOLD; |
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330 else |
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331 fc_weight = FC_WEIGHT_NORMAL; |
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332 |
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333 if (angle == "italic") |
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334 fc_angle = FC_SLANT_ITALIC; |
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335 else if (angle == "oblique") |
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336 fc_angle = FC_SLANT_OBLIQUE; |
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337 else |
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338 fc_angle = FC_SLANT_ROMAN; |
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339 |
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340 FcPattern *pat = FcPatternCreate (); |
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341 |
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342 FcPatternAddString (pat, FC_FAMILY, |
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343 (reinterpret_cast<const FcChar8 *> |
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344 (name.c_str ()))); |
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345 |
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346 FcPatternAddInteger (pat, FC_WEIGHT, fc_weight); |
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347 FcPatternAddInteger (pat, FC_SLANT, fc_angle); |
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348 FcPatternAddDouble (pat, FC_PIXEL_SIZE, size); |
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349 |
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350 if (search_code_point > 0) |
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351 { |
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352 FcCharSet *minimal_charset = FcCharSetCreate (); |
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353 FcCharSetAddChar (minimal_charset, |
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354 static_cast<FcChar32> (search_code_point)); |
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355 FcPatternAddCharSet (pat, FC_CHARSET, minimal_charset); |
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356 } |
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357 |
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358 if (FcConfigSubstitute (nullptr, pat, FcMatchPattern)) |
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359 { |
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360 FcResult res; |
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361 FcPattern *match; |
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362 |
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363 FcDefaultSubstitute (pat); |
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364 |
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365 match = FcFontMatch (nullptr, pat, &res); |
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366 |
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367 // FIXME: originally, this test also required that |
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368 // res != FcResultNoMatch. Is that really needed? |
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369 if (match) |
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370 { |
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371 unsigned char *tmp; |
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372 |
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373 FcPatternGetString (match, FC_FILE, 0, &tmp); |
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374 file = reinterpret_cast<char *> (tmp); |
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375 } |
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376 else |
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377 ::warning ("could not match any font: %s-%s-%s-%g, using default font", |
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378 name.c_str (), weight.c_str (), angle.c_str (), |
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379 size); |
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380 |
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381 if (match) |
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382 FcPatternDestroy (match); |
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383 } |
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384 |
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385 FcPatternDestroy (pat); |
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386 } |
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387 #endif |
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388 |
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389 if (file.empty ()) |
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390 ::warning ("unable to find default font files"); |
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391 else |
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392 { |
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393 std::string ascii_file = sys::get_ASCII_filename (file); |
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394 |
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395 if (FT_New_Face (m_library, ascii_file.c_str (), 0, &retval)) |
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396 ::warning ("ft_manager: unable to load font: %s", file.c_str ()); |
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397 #if defined (HAVE_FT_REFERENCE_FACE) |
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398 else |
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399 { |
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400 // Install a finalizer to notify ft_manager that the font is |
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401 // being destroyed. The class ft_manager only keeps weak |
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402 // references to font objects. |
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403 |
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404 retval->generic.data = new ft_key (key); |
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405 retval->generic.finalizer = ft_face_destroyed; |
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406 |
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407 // Insert loaded font into the cache. |
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408 if (FT_Reference_Face (retval) == 0) |
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409 m_cache[key] = retval; |
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410 } |
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411 #endif |
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412 } |
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413 |
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414 return retval; |
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415 } |
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416 |
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417 void do_font_destroyed (FT_Face face) |
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418 { |
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419 if (face->generic.data) |
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420 { |
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421 ft_key *pkey = reinterpret_cast<ft_key *> (face->generic.data); |
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422 |
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423 m_cache.erase (*pkey); |
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424 delete pkey; |
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425 face->generic.data = nullptr; |
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426 FT_Done_Face (face); |
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427 } |
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428 } |
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429 |
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430 //-------- |
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431 |
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432 static ft_manager *s_instance; |
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433 |
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434 // Cache the fonts loaded by FreeType. This cache only contains |
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435 // weak references to the fonts, strong references are only present |
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436 // in class text_renderer. |
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437 ft_cache m_cache; |
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438 |
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439 FT_Library m_library; |
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440 bool m_freetype_initialized; |
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441 bool m_fontconfig_initialized; |
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442 }; |
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443 |
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444 ft_manager *ft_manager::s_instance = nullptr; |
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445 |
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446 static void |
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447 ft_face_destroyed (void *object) |
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448 { |
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449 ft_manager::font_destroyed (reinterpret_cast<FT_Face> (object)); |
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450 } |
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451 |
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452 class OCTINTERP_API ft_text_renderer : public base_text_renderer |
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453 { |
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454 public: |
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455 |
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456 enum |
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457 { |
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458 MODE_BBOX = 0, |
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459 MODE_RENDER = 1 |
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460 }; |
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461 |
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462 public: |
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463 |
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464 ft_text_renderer () |
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465 : base_text_renderer (), m_font (), m_bbox (1, 4, 0.0), m_halign (0), |
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466 m_xoffset (0), m_line_yoffset (0), m_yoffset (0), m_mode (MODE_BBOX), |
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467 m_color (dim_vector (1, 3), 0), m_do_strlist (false), m_strlist (), |
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468 m_line_xoffset (0), m_ymin (0), m_ymax (0), m_deltax (0), |
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469 m_max_fontsize (0), m_antialias (true) |
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470 { } |
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471 |
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472 OCTAVE_DISABLE_COPY_MOVE (ft_text_renderer) |
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473 |
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474 ~ft_text_renderer () = default; |
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475 |
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476 void visit (text_element_string& e); |
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477 |
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478 void visit (text_element_list& e); |
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479 |
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480 void visit (text_element_subscript& e); |
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481 |
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482 void visit (text_element_superscript& e); |
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483 |
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484 void visit (text_element_color& e); |
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485 |
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486 void visit (text_element_fontsize& e); |
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487 |
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488 void visit (text_element_fontname& e); |
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489 |
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490 void visit (text_element_fontstyle& e); |
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491 |
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492 void visit (text_element_symbol& e); |
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493 |
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494 void visit (text_element_combined& e); |
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495 |
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496 void reset (); |
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497 |
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498 uint8NDArray get_pixels () const { return m_pixels; } |
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499 |
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500 Matrix get_boundingbox () const { return m_bbox; } |
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501 |
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502 uint8NDArray render (text_element *elt, Matrix& box, |
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503 int rotation = ROTATION_0); |
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504 |
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505 Matrix get_extent (text_element *elt, double rotation = 0.0); |
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506 Matrix get_extent (const std::string& txt, double rotation, |
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507 const caseless_str& interpreter); |
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508 |
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509 void set_anti_aliasing (bool val) { m_antialias = val; }; |
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510 |
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511 void set_font (const std::string& name, const std::string& weight, |
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512 const std::string& angle, double size); |
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513 |
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514 octave_map get_system_fonts (); |
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515 |
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516 void set_color (const Matrix& c); |
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517 |
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518 void set_mode (int m); |
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519 |
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520 void text_to_pixels (const std::string& txt, |
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521 uint8NDArray& pxls, Matrix& bbox, |
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522 int halign, int valign, double rotation, |
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523 const caseless_str& interpreter, |
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524 bool handle_rotation); |
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525 |
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526 private: |
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527 |
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528 // Class to hold information about fonts and a strong |
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529 // reference to the font objects loaded by FreeType. |
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530 |
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531 class ft_font : public text_renderer::font |
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532 { |
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533 public: |
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534 |
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535 ft_font () |
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536 : text_renderer::font (), m_face (nullptr) { } |
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537 |
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538 ft_font (const std::string& nm, const std::string& wt, |
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539 const std::string& ang, double sz, FT_Face f = nullptr) |
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540 : text_renderer::font (nm, wt, ang, sz), m_face (f) |
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541 { } |
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542 |
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543 ft_font (const ft_font& ft); |
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544 |
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545 ~ft_font () |
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546 { |
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547 if (m_face) |
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548 FT_Done_Face (m_face); |
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549 } |
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550 |
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551 ft_font& operator = (const ft_font& ft); |
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552 |
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553 bool is_valid () const { return get_face (); } |
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554 |
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555 FT_Face get_face () const; |
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556 |
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557 private: |
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558 |
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559 mutable FT_Face m_face; |
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560 }; |
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561 |
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562 void push_new_line (); |
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563 |
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564 void update_line_bbox (); |
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565 |
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566 void compute_bbox (); |
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567 |
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568 int compute_line_xoffset (const Matrix& lb) const; |
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569 |
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570 FT_UInt process_character (FT_ULong code, FT_UInt previous, |
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571 std::string& sub_font); |
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572 |
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573 public: |
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574 |
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575 void text_to_strlist (const std::string& txt, |
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576 std::list<text_renderer::string>& lst, Matrix& bbox, |
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577 int halign, int valign, double rotation, |
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578 const caseless_str& interp); |
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579 |
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580 private: |
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581 |
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582 // The current font used by the renderer. |
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583 ft_font m_font; |
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584 |
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585 // Used to stored the bounding box corresponding to the rendered text. |
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586 // The bounding box has the form [x, y, w, h] where x and y represent the |
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587 // coordinates of the bottom left corner relative to the anchor point of |
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588 // the text (== start of text on the baseline). Due to font descent or |
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589 // multiple lines, the value y is usually negative. |
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590 Matrix m_bbox; |
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591 |
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592 // Used to stored the rendered text. It's a 3D matrix with size MxNx4 |
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593 // where M and N are the width and height of the bounding box. |
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594 uint8NDArray m_pixels; |
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595 |
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596 // Used to store the bounding box of each line. This is used to layout |
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597 // multiline text properly. |
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598 std::list<Matrix> m_line_bbox; |
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599 |
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600 // The current horizontal alignment. This is used to align multi-line text. |
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601 int m_halign; |
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602 |
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603 // The X offset for the next glyph. |
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604 int m_xoffset; |
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605 |
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606 // The Y offset of the baseline for the current line. |
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607 int m_line_yoffset; |
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608 |
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609 // The Y offset of the baseline for the next glyph. The offset is relative |
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610 // to line_yoffset. The total Y offset is computed with: |
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611 // line_yoffset + yoffset. |
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612 int m_yoffset; |
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613 |
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614 // The current mode of the rendering process (box computing or rendering). |
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615 int m_mode; |
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616 |
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617 // The base color of the rendered text. |
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618 uint8NDArray m_color; |
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619 |
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620 // A list of parsed strings to be used for printing. |
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621 bool m_do_strlist; |
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622 std::list<text_renderer::string> m_strlist; |
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623 |
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624 // The X offset of the baseline for the current line. |
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625 int m_line_xoffset; |
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626 |
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627 // Min and max y coordinates of all glyphs in a line. |
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628 FT_Pos m_ymin; |
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629 FT_Pos m_ymax; |
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630 |
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631 // Difference between the advance and the actual extent of the latest glyph |
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632 FT_Pos m_deltax; |
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633 |
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634 // Used for computing the distance between lines. |
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635 double m_max_fontsize; |
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636 |
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637 // Anti-aliasing. |
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638 bool m_antialias; |
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639 |
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640 }; |
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641 |
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642 void |
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643 ft_text_renderer::set_font (const std::string& name, |
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644 const std::string& weight, |
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645 const std::string& angle, double size) |
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646 { |
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647 // FIXME: take "fontunits" into account |
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648 m_font = ft_font (name, weight, angle, size, nullptr); |
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649 } |
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650 |
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651 octave_map |
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652 ft_text_renderer::get_system_fonts () |
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653 { |
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654 return ft_manager::get_system_fonts (); |
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655 } |
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656 |
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657 void |
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658 ft_text_renderer::push_new_line () |
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659 { |
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660 switch (m_mode) |
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661 { |
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662 case MODE_BBOX: |
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663 { |
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664 // Create a new bbox entry based on the current font. |
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665 |
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666 FT_Face face = m_font.get_face (); |
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667 |
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668 if (face) |
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669 { |
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670 Matrix bb (1, 5, 0.0); |
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671 |
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672 m_line_bbox.push_back (bb); |
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673 |
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674 m_xoffset = m_yoffset = 0; |
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675 m_ymin = m_ymax = m_deltax = 0; |
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676 } |
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677 } |
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678 break; |
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679 |
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680 case MODE_RENDER: |
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681 { |
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682 // Move to the next line bbox, adjust xoffset based on alignment |
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683 // and yoffset based on the old and new line bbox. |
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684 |
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changeset
|
685 Matrix old_bbox = m_line_bbox.front (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
686 m_line_bbox.pop_front (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
687 Matrix new_bbox = m_line_bbox.front (); |
30119
3161a1ee0045
maint: use "m_" prefix for member variables in file ft-text-renderer.cc.
Rik <rik@octave.org>
parents:
30041
diff
changeset
|
688 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
689 m_xoffset = m_line_xoffset = compute_line_xoffset (new_bbox); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
690 m_line_yoffset -= (-old_bbox(1) + math::round (0.4 * m_max_fontsize) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
691 + (new_bbox(3) + new_bbox(1))); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
692 m_yoffset = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
693 m_ymin = m_ymax = m_deltax = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
694 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
695 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
696 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
697 } |
26995
ab5bfee22d18
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26858
diff
changeset
|
698 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
699 int |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
700 ft_text_renderer::compute_line_xoffset (const Matrix& lb) const |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
701 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
702 if (! m_bbox.isempty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
703 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
704 switch (m_halign) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
705 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
706 case 0: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
707 return 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
708 case 1: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
709 return (m_bbox(2) - lb(2)) / 2; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
710 case 2: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
711 return (m_bbox(2) - lb(2)); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
712 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
713 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
714 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
715 return 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
716 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
717 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
718 void |
31771
21f9b34eb893
maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents:
31706
diff
changeset
|
719 ft_text_renderer::compute_bbox () |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
720 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
721 // Stack the various line bbox together and compute the final |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
722 // bounding box for the entire text string. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
723 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
724 m_bbox = Matrix (); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
725 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
726 switch (m_line_bbox.size ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
727 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
728 case 0: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
729 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
730 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
731 case 1: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
732 m_bbox = m_line_bbox.front ().extract (0, 0, 0, 3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
733 break; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
734 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
735 default: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
736 for (const auto& lbox : m_line_bbox) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
737 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
738 if (m_bbox.isempty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
739 m_bbox = lbox.extract (0, 0, 0, 3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
740 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
741 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
742 double delta = math::round (0.4 * m_max_fontsize) + lbox(3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
743 m_bbox(1) -= delta; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
744 m_bbox(3) += delta; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
745 m_bbox(2) = math::max (m_bbox(2), lbox(2)); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
746 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
747 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
748 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
749 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
750 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
751 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
752 void |
31771
21f9b34eb893
maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents:
31706
diff
changeset
|
753 ft_text_renderer::update_line_bbox () |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
754 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
755 // Called after a font change, when in MODE_BBOX mode, to update the |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
756 // current line bbox with the new font metrics. This also includes the |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
757 // current yoffset, that is the offset of the current glyph's baseline |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
758 // the line's baseline. |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
759 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
760 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
761 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
762 Matrix& bb = m_line_bbox.back (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
763 bb(1) = m_ymin; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
764 // Add one pixel to the bbox height to avoid occasional text clipping. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
765 // See bug #55328. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
766 bb(3) = (m_ymax + 1) - m_ymin; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
767 if (m_deltax > 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
768 bb(2) += m_deltax; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
769 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
770 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
771 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
772 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
773 ft_text_renderer::set_mode (int m) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
774 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
775 m_mode = m; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
776 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
777 switch (m_mode) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
778 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
779 case MODE_BBOX: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
780 m_xoffset = m_line_yoffset = m_yoffset = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
781 m_max_fontsize = 0.0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
782 m_bbox = Matrix (1, 4, 0.0); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
783 m_line_bbox.clear (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
784 push_new_line (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
785 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
786 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
787 case MODE_RENDER: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
788 if (m_bbox.numel () != 4) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
789 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
790 ::error ("ft_text_renderer: invalid bounding box, cannot render"); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
791 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
792 m_xoffset = m_line_yoffset = m_yoffset = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
793 m_pixels = uint8NDArray (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
794 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
795 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
796 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
797 dim_vector d (4, octave_idx_type (m_bbox(2)), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
798 octave_idx_type (m_bbox(3))); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
799 m_pixels = uint8NDArray (d, static_cast<uint8_t> (0)); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
800 m_xoffset = compute_line_xoffset (m_line_bbox.front ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
801 m_line_yoffset = -m_bbox(1); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
802 m_yoffset = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
803 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
804 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
805 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
806 default: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
807 error ("ft_text_renderer: invalid mode '%d'", m_mode); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
808 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
809 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
810 } |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
811 |
32589
05b4479c29d8
maint: C++ style check for libinterp/ before 9.1 release.
Rik <rik@octave.org>
parents:
31845
diff
changeset
|
812 bool |
05b4479c29d8
maint: C++ style check for libinterp/ before 9.1 release.
Rik <rik@octave.org>
parents:
31845
diff
changeset
|
813 is_opaque (const FT_GlyphSlot& glyph, const int x, const int y) |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
814 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
815 // Borrowed from https://stackoverflow.com/questions/14800827/ |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
816 // indexing-pixels-in-a-monochrome-freetype-glyph-buffer |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
817 int pitch = std::abs (glyph->bitmap.pitch); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
818 unsigned char *row = &glyph->bitmap.buffer[pitch * y]; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
819 char cvalue = row[x >> 3]; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
820 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
821 return ((cvalue & (128 >> (x & 7))) != 0); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
822 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
823 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
824 FT_UInt |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
825 ft_text_renderer::process_character (FT_ULong code, FT_UInt previous, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
826 std::string& sub_name) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
827 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
828 FT_Face face = m_font.get_face (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
829 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
830 sub_name = face->family_name; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
831 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
832 FT_UInt glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
833 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
834 if (face) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
835 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
836 glyph_index = FT_Get_Char_Index (face, code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
837 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
838 if (code != '\n' && code != '\t' |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
839 && (! glyph_index |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
840 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
841 { |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
842 #if defined (HAVE_FONTCONFIG) |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
843 // Try to substitue font |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
844 FT_Face sub_face = ft_manager::get_font (m_font.get_name (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
845 m_font.get_weight (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
846 m_font.get_angle (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
847 m_font.get_size (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
848 code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
849 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
850 if (sub_face) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
851 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
852 FT_Set_Char_Size (sub_face, 0, m_font.get_size ()*64, 0, 0); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
853 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
854 glyph_index = FT_Get_Char_Index (sub_face, code); |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
855 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
856 if (glyph_index |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
857 && (FT_Load_Glyph (sub_face, glyph_index, FT_LOAD_DEFAULT) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
858 == 0)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
859 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
860 static std::string prev_sub_name; |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
861 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
862 if (prev_sub_name.empty () |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
863 || prev_sub_name != std::string (sub_face->family_name)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
864 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
865 prev_sub_name = sub_face->family_name; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
866 warning_with_id ("Octave:substituted-glyph", |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
867 "text_renderer: substituting font to '%s' for some characters", |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
868 sub_face->family_name); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
869 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
870 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
871 ft_font saved_font = m_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
872 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
873 m_font = ft_font (m_font.get_name (), m_font.get_weight (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
874 m_font.get_angle (), m_font.get_size (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
875 sub_face); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
876 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
877 process_character (code, previous, sub_name); |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
878 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
879 m_font = saved_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
880 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
881 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
882 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
883 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
884 warn_missing_glyph (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
885 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
886 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
887 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
888 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
889 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
890 warn_missing_glyph (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
891 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
892 #else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
893 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
894 warn_missing_glyph (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
895 #endif |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
896 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
897 else if ((code == '\n') || (code == '\t')) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
898 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
899 glyph_index = FT_Get_Char_Index (face, ' '); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
900 if (! glyph_index |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
901 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
902 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
903 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
904 warn_missing_glyph (' '); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
905 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
906 else if (code == '\n') |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
907 push_new_line (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
908 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
909 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
910 // Advance to next multiple of 4 times the width of the "space" |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
911 // character. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
912 int x_tab = 4 * (face->glyph->advance.x >> 6); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
913 m_xoffset = (1 + std::floor (1. * m_xoffset / x_tab)) * x_tab; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
914 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
915 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
916 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
917 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
918 switch (m_mode) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
919 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
920 case MODE_RENDER: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
921 if (FT_Render_Glyph (face->glyph, (m_antialias |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
922 ? FT_RENDER_MODE_NORMAL |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
923 : FT_RENDER_MODE_MONO))) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
924 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
925 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
926 warn_glyph_render (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
927 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
928 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
929 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
930 FT_Bitmap& bitmap = face->glyph->bitmap; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
931 int x0, y0; |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
932 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
933 if (previous) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
934 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
935 FT_Vector delta; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
936 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
937 FT_Get_Kerning (face, previous, glyph_index, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
938 FT_KERNING_DEFAULT, &delta); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
939 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
940 m_xoffset += (delta.x >> 6); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
941 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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diff
changeset
|
942 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
943 x0 = m_xoffset + face->glyph->bitmap_left; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
944 y0 = m_line_yoffset + m_yoffset |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
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|
945 + (face->glyph->bitmap_top - 1); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
946 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
947 // 'w' seems to have a negative -1 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
948 // face->glyph->bitmap_left, this is so we don't index out |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
949 // of bound, and assumes we've allocated the right amount of |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
950 // horizontal space in the bbox. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
951 if (x0 < 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
952 x0 = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
953 |
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
954 for (int r = 0; static_cast<unsigned int> (r) < bitmap.rows; r++) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
955 for (int c = 0; static_cast<unsigned int> (c) < bitmap.width; c++) |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
956 { |
31607
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
changeset
|
957 unsigned char pix |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
958 = (m_antialias |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
959 ? bitmap.buffer[r*bitmap.width+c] |
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
960 : (is_opaque (face->glyph, c, r) ? 255 : 0)); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
961 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
962 if (x0+c < 0 || x0+c >= m_pixels.dim2 () |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
963 || y0-r < 0 || y0-r >= m_pixels.dim3 ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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parents:
31605
diff
changeset
|
964 { |
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maint: Re-indent code after switch to using namespace macros.
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parents:
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diff
changeset
|
965 // ::warning ("ft_text_renderer: x %d, y %d", |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
966 // x0+c, y0-r); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
967 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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parents:
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diff
changeset
|
968 else if (m_pixels(3, x0+c, y0-r).value () == 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
969 { |
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maint: Re-indent code after switch to using namespace macros.
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parents:
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diff
changeset
|
970 m_pixels(0, x0+c, y0-r) = m_color(0); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
971 m_pixels(1, x0+c, y0-r) = m_color(1); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
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|
972 m_pixels(2, x0+c, y0-r) = m_color(2); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
973 m_pixels(3, x0+c, y0-r) = pix; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
974 } |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
975 } |
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
976 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
977 m_xoffset += (face->glyph->advance.x >> 6); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
978 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
979 break; |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
980 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
981 case MODE_BBOX: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
982 Matrix& bb = m_line_bbox.back (); |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
983 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
984 // If we have a previous glyph, use kerning information. This |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
985 // usually means moving a bit backward before adding the next |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
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|
986 // glyph. That is, "delta.x" is usually < 0. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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parents:
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diff
changeset
|
987 if (previous) |
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
988 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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parents:
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diff
changeset
|
989 FT_Vector delta; |
22331
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
990 |
31607
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
991 FT_Get_Kerning (face, previous, glyph_index, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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changeset
|
992 FT_KERNING_DEFAULT, &delta); |
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|
993 |
31607
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parents:
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|
994 m_xoffset += (delta.x >> 6); |
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maint: Re-indent code after switch to using namespace macros.
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diff
changeset
|
995 } |
22331
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
996 |
31607
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maint: Re-indent code after switch to using namespace macros.
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parents:
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diff
changeset
|
997 // Extend current X offset box by the width of the current |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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diff
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|
998 // glyph. Then extend the line bounding box if necessary. |
22331
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parents:
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changeset
|
999 |
31607
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Rik <rik@octave.org>
parents:
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diff
changeset
|
1000 m_xoffset += (face->glyph->advance.x >> 6); |
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maint: Re-indent code after switch to using namespace macros.
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parents:
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diff
changeset
|
1001 bb(2) = math::max (bb(2), m_xoffset); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1002 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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parents:
31605
diff
changeset
|
1003 // Store the actual bbox vertical coordinates of this character |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1004 FT_Glyph glyph; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1005 if (FT_Get_Glyph (face->glyph, &glyph)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
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|
1006 warn_glyph_render (code); |
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maint: Re-indent code after switch to using namespace macros.
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parents:
31605
diff
changeset
|
1007 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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|
1008 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1009 FT_BBox glyph_bbox; |
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1010 FT_Glyph_Get_CBox (glyph, FT_GLYPH_BBOX_UNSCALED, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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parents:
31605
diff
changeset
|
1011 &glyph_bbox); |
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parents:
31605
diff
changeset
|
1012 m_deltax = (glyph_bbox.xMax - face->glyph->advance.x) >> 6; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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diff
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|
1013 m_ymin = math::min ((glyph_bbox.yMin >> 6) + m_yoffset, |
aac27ad79be6
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diff
changeset
|
1014 m_ymin); |
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changeset
|
1015 m_ymax = math::max ((glyph_bbox.yMax >> 6) + m_yoffset, |
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|
1016 m_ymax); |
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changeset
|
1017 FT_Done_Glyph (glyph); |
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maint: Re-indent code after switch to using namespace macros.
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changeset
|
1018 update_line_bbox (); |
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changeset
|
1019 } |
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maint: Re-indent code after switch to using namespace macros.
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diff
changeset
|
1020 break; |
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diff
changeset
|
1021 } |
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changeset
|
1022 } |
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|
1023 } |
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changeset
|
1024 |
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diff
changeset
|
1025 return glyph_index; |
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diff
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|
1026 } |
26187
8d4f23b7f4eb
Improve text extent calculation when using freetype text renderer (bug #55075)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26152
diff
changeset
|
1027 |
31607
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maint: Re-indent code after switch to using namespace macros.
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diff
changeset
|
1028 void |
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diff
changeset
|
1029 ft_text_renderer::text_to_strlist (const std::string& txt, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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diff
changeset
|
1030 std::list<text_renderer::string>& lst, |
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changeset
|
1031 Matrix& box, |
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changeset
|
1032 int ha, int va, double rot, |
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maint: Re-indent code after switch to using namespace macros.
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changeset
|
1033 const caseless_str& interp) |
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changeset
|
1034 { |
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changeset
|
1035 uint8NDArray pxls; |
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changeset
|
1036 |
31607
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changeset
|
1037 // First run text_to_pixels which will also build the string list |
22331
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|
1038 |
31607
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changeset
|
1039 m_strlist = std::list<text_renderer::string> (); |
22331
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changeset
|
1040 |
31607
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changeset
|
1041 unwind_protect_var<bool> restore_var1 (m_do_strlist); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
changeset
|
1042 unwind_protect_var<std::list<text_renderer::string>> |
28823
26cfccfee9a0
Replace unwind_protect with more efficient constructs (bug #59192).
Rik <rik@octave.org>
parents:
28483
diff
changeset
|
1043 restore_var2 (m_strlist); |
28857
43ad651cf5a0
eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents:
28823
diff
changeset
|
1044 |
31607
aac27ad79be6
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31605
diff
changeset
|
1045 m_do_strlist = true; |
26617
98afb8bbd1f6
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26573
diff
changeset
|
1046 |
31607
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Rik <rik@octave.org>
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diff
changeset
|
1047 text_to_pixels (txt, pxls, box, ha, va, rot, interp, false); |
22331
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changeset
|
1048 |
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|
1049 lst = m_strlist; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1050 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1051 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1052 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1053 ft_text_renderer::visit (text_element_string& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1054 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1055 if (m_font.is_valid ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1056 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1057 m_max_fontsize = std::max (m_max_fontsize, m_font.get_size ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1058 FT_UInt glyph_index, previous = 0; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1059 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1060 std::string str = e.string_value (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1061 const uint8_t *c = reinterpret_cast<const uint8_t *> (str.c_str ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1062 uint32_t u32_c; |
26617
98afb8bbd1f6
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26573
diff
changeset
|
1063 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1064 std::size_t n = str.size (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1065 std::size_t icurr = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1066 std::size_t ibegin = 0; |
26187
8d4f23b7f4eb
Improve text extent calculation when using freetype text renderer (bug #55075)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26152
diff
changeset
|
1067 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1068 // Initialize a new string |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1069 text_renderer::string fs (str, m_font, m_xoffset, m_yoffset); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1070 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1071 std::string fname = m_font.get_face ()->family_name; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1072 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1073 if (fname.find (" ") != std::string::npos) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1074 fname = "'" + fname + "'"; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1075 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1076 fs.set_family (fname); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1077 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1078 std::vector<double> xdata; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1079 std::string sub_name; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1080 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1081 while (n > 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1082 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1083 // Retrieve the length and the u32 representation of the current |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1084 // character |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1085 int mblen = octave_u8_strmbtouc_wrapper (&u32_c, c + icurr); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1086 if (mblen < 1) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1087 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1088 // This is not an UTF-8 character, use a replacement character |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1089 mblen = 1; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1090 u32_c = 0xFFFD; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1091 } |
27623
698c8b08fe8c
New function uisetfont (bug #57130).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
27150
diff
changeset
|
1092 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1093 n -= mblen; |
26573
ad70a85f702b
Avoid accumulating data in text_renderer member variable (bug #55287)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26478
diff
changeset
|
1094 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1095 if (m_do_strlist && m_mode == MODE_RENDER) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1096 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1097 if (u32_c == 10) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1098 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1099 // Finish previous string in m_strlist before processing |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1100 // the newline character |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1101 fs.set_y (m_line_yoffset + m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1102 fs.set_color (m_color); |
26617
98afb8bbd1f6
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26573
diff
changeset
|
1103 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1104 std::string s = str.substr (ibegin, icurr - ibegin); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1105 if (! s.empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1106 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1107 fs.set_string (s); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1108 fs.set_y (m_line_yoffset + m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1109 fs.set_xdata (xdata); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1110 fs.set_family (fname); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1111 m_strlist.push_back (fs); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1112 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1113 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1114 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1115 xdata.push_back (m_xoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1116 } |
25362
def1b446ba64
Convert strings to UTF-32 for FreeType (bug #53646).
Markus Mützel <markus.muetzel@gmx.de>
parents:
25336
diff
changeset
|
1117 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1118 glyph_index = process_character (u32_c, previous, sub_name); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1119 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1120 if (m_do_strlist && m_mode == MODE_RENDER && ! sub_name.empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1121 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1122 // Add substitution font to the family name stack |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1123 std::string tmp_family = fs.get_family (); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1124 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1125 if (tmp_family.find (sub_name) == std::string::npos) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1126 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1127 if (sub_name.find (" ") != std::string::npos) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1128 sub_name = "'" + sub_name + "'"; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1129 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1130 fs.set_family (tmp_family + ", " + sub_name); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1131 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1132 } |
25362
def1b446ba64
Convert strings to UTF-32 for FreeType (bug #53646).
Markus Mützel <markus.muetzel@gmx.de>
parents:
25336
diff
changeset
|
1133 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1134 if (u32_c == 10) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1135 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1136 previous = 0; |
26617
98afb8bbd1f6
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26573
diff
changeset
|
1137 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1138 if (m_do_strlist && m_mode == MODE_RENDER) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1139 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1140 // Start a new string in m_strlist |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1141 ibegin = icurr+1; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1142 xdata.clear (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1143 fs = text_renderer::string (str.substr (ibegin), m_font, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1144 m_line_xoffset, m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1145 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1146 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1147 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1148 previous = glyph_index; |
25362
def1b446ba64
Convert strings to UTF-32 for FreeType (bug #53646).
Markus Mützel <markus.muetzel@gmx.de>
parents:
25336
diff
changeset
|
1149 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1150 icurr += mblen; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1151 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1152 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1153 if (m_do_strlist && m_mode == MODE_RENDER |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1154 && ! fs.get_string ().empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1155 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1156 fs.set_y (m_line_yoffset + m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1157 fs.set_color (m_color); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1158 fs.set_xdata (xdata); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1159 m_strlist.push_back (fs); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1160 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1161 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1162 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1163 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1164 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1165 ft_text_renderer::visit (text_element_list& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1166 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1167 // Save and restore (after processing the list) the current font and color. |
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revamp text rendering classes
John W. Eaton <jwe@octave.org>
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21200
diff
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|
1168 |
31607
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Rik <rik@octave.org>
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|
1169 ft_font saved_font (m_font); |
aac27ad79be6
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Rik <rik@octave.org>
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31605
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|
1170 uint8NDArray saved_color (m_color); |
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|
1171 |
31607
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Rik <rik@octave.org>
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31605
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changeset
|
1172 text_processor::visit (e); |
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|
1173 |
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Rik <rik@octave.org>
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diff
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|
1174 m_font = saved_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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31605
diff
changeset
|
1175 m_color = saved_color; |
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Rik <rik@octave.org>
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diff
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|
1176 } |
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John W. Eaton <jwe@octave.org>
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|
1177 |
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Rik <rik@octave.org>
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changeset
|
1178 void |
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
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|
1179 ft_text_renderer::visit (text_element_subscript& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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31605
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|
1180 { |
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Rik <rik@octave.org>
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diff
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|
1181 ft_font saved_font (m_font); |
aac27ad79be6
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Rik <rik@octave.org>
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31605
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changeset
|
1182 int saved_line_yoffset = m_line_yoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
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|
1183 int saved_yoffset = m_yoffset; |
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|
1184 |
31607
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Rik <rik@octave.org>
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|
1185 double sz = m_font.get_size (); |
28305
6e8d5c99263c
Produce better looking TeX superscript and subscripts (bug #58376).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
28206
diff
changeset
|
1186 |
31607
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Rik <rik@octave.org>
parents:
31605
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|
1187 // Reducing font size by 70% produces decent results. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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31605
diff
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|
1188 set_font (m_font.get_name (), m_font.get_weight (), m_font.get_angle (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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31605
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|
1189 std::max (5.0, sz * 0.7)); |
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|
1190 |
31607
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Rik <rik@octave.org>
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|
1191 if (m_font.is_valid ()) |
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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|
1192 { |
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|
1193 // Shifting the baseline by 15% of the font size gives decent results. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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|
1194 m_yoffset -= std::ceil (sz * 0.15); |
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|
1195 |
31607
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Rik <rik@octave.org>
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diff
changeset
|
1196 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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31605
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|
1197 update_line_bbox (); |
aac27ad79be6
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Rik <rik@octave.org>
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|
1198 } |
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|
1199 |
31607
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Rik <rik@octave.org>
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31605
diff
changeset
|
1200 text_processor::visit (e); |
22331
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John W. Eaton <jwe@octave.org>
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|
1201 |
31607
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Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1202 m_font = saved_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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31605
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changeset
|
1203 // If line_yoffset changed, this means we moved to a new line; hence yoffset |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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|
1204 // cannot be restored, because the saved value is not relevant anymore. |
aac27ad79be6
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Rik <rik@octave.org>
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diff
changeset
|
1205 if (m_line_yoffset == saved_line_yoffset) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
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|
1206 m_yoffset = saved_yoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
changeset
|
1207 } |
22331
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diff
changeset
|
1208 |
31607
aac27ad79be6
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Rik <rik@octave.org>
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31605
diff
changeset
|
1209 void |
aac27ad79be6
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Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1210 ft_text_renderer::visit (text_element_superscript& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
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|
1211 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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31605
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changeset
|
1212 ft_font saved_font (m_font); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1213 int saved_line_yoffset = m_line_yoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1214 int saved_yoffset = m_yoffset; |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1215 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1216 double sz = m_font.get_size (); |
28305
6e8d5c99263c
Produce better looking TeX superscript and subscripts (bug #58376).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
28206
diff
changeset
|
1217 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1218 // Reducing font size by 70% produces decent results. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1219 set_font (m_font.get_name (), m_font.get_weight (), m_font.get_angle (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1220 std::max (5.0, sz * 0.7)); |
22331
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John W. Eaton <jwe@octave.org>
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changeset
|
1221 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1222 if (saved_font.is_valid ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1223 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1224 // Shifting the baseline by 40% of the font size gives decent results. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1225 m_yoffset += std::ceil (sz * 0.4); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1226 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1227 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1228 update_line_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1229 } |
22331
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John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
1230 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1231 text_processor::visit (e); |
22331
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John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1232 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1233 m_font = saved_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1234 // If line_yoffset changed, this means we moved to a new line; hence yoffset |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1235 // cannot be restored, because the saved value is not relevant anymore. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1236 if (m_line_yoffset == saved_line_yoffset) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1237 m_yoffset = saved_yoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1238 } |
22331
b81b08cc4c83
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John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1239 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1240 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1241 ft_text_renderer::visit (text_element_color& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1242 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1243 if (m_mode == MODE_RENDER) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1244 set_color (e.get_color ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1245 } |
22331
b81b08cc4c83
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John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1246 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1247 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1248 ft_text_renderer::visit (text_element_fontsize& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1249 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1250 double sz = e.get_fontsize (); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1251 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1252 // FIXME: Matlab documentation says that the font size is expressed |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1253 // in the text object FontUnit. |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1254 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1255 set_font (m_font.get_name (), m_font.get_weight (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1256 m_font.get_angle (), sz); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1257 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1258 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1259 update_line_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1260 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1261 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1262 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1263 ft_text_renderer::visit (text_element_fontname& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1264 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1265 set_font (e.get_fontname (), m_font.get_weight (), m_font.get_angle (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1266 m_font.get_size ()); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1267 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1268 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1269 update_line_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1270 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1271 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1272 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1273 ft_text_renderer::visit (text_element_fontstyle& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1274 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1275 switch (e.get_fontstyle ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1276 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1277 case text_element_fontstyle::normal: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1278 set_font (m_font.get_name (), "normal", "normal", m_font.get_size ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1279 break; |
22331
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John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
1280 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1281 case text_element_fontstyle::bold: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1282 set_font (m_font.get_name (), "bold", "normal", m_font.get_size ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1283 break; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1284 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1285 case text_element_fontstyle::italic: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
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|
1286 set_font (m_font.get_name (), "normal", "italic", m_font.get_size ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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31605
diff
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|
1287 break; |
22331
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|
1288 |
31607
aac27ad79be6
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Rik <rik@octave.org>
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diff
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|
1289 case text_element_fontstyle::oblique: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
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|
1290 set_font (m_font.get_name (), "normal", "oblique", m_font.get_size ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
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|
1291 break; |
aac27ad79be6
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Rik <rik@octave.org>
parents:
31605
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|
1292 } |
22331
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|
1293 |
31607
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Rik <rik@octave.org>
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31605
diff
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|
1294 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
changeset
|
1295 update_line_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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31605
diff
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|
1296 } |
22331
b81b08cc4c83
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|
1297 |
31607
aac27ad79be6
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Rik <rik@octave.org>
parents:
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diff
changeset
|
1298 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1299 ft_text_renderer::visit (text_element_symbol& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
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|
1300 { |
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1301 uint32_t code = e.get_symbol_code (); |
22331
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John W. Eaton <jwe@octave.org>
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|
1302 |
31607
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
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|
1303 std::vector<double> xdata (1, m_xoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1304 text_renderer::string fs ("-", m_font, m_xoffset, m_yoffset); |
22331
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John W. Eaton <jwe@octave.org>
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|
1305 |
31607
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
changeset
|
1306 if (code != text_element_symbol::invalid_code && m_font.is_valid ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1307 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1308 std::string sub_name; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1309 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1310 process_character (code, 0, sub_name); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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29679
diff
changeset
|
1311 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1312 if (m_do_strlist && m_mode == MODE_RENDER) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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|
1313 { |
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parents:
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changeset
|
1314 if (! sub_name.empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
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|
1315 { |
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
changeset
|
1316 // Add substitution font to the family name |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1317 std::string tmp_family = fs.get_family (); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1318 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
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parents:
31605
diff
changeset
|
1319 if (tmp_family.find (sub_name) == std::string::npos) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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|
1320 { |
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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changeset
|
1321 if (sub_name.find (" ") != std::string::npos) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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|
1322 sub_name = "'" + sub_name + "'"; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1323 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1324 fs.set_family (tmp_family + ", " + sub_name); |
aac27ad79be6
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Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1325 } |
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Rik <rik@octave.org>
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diff
changeset
|
1326 } |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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diff
changeset
|
1327 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
changeset
|
1328 fs.set_code (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff
changeset
|
1329 fs.set_xdata (xdata); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1330 } |
aac27ad79be6
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Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1331 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1332 else if (m_font.is_valid ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1333 ::warning ("ignoring unknown symbol: %d", e.get_symbol ()); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1334 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1335 if (m_do_strlist && m_mode == MODE_RENDER && fs.get_code ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1336 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1337 fs.set_y (m_line_yoffset + m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1338 fs.set_color (m_color); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1339 fs.set_family (m_font.get_face ()->family_name); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1340 m_strlist.push_back (fs); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1341 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1342 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1343 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1344 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1345 ft_text_renderer::visit (text_element_combined& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1346 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1347 int saved_xoffset = m_xoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1348 int max_xoffset = m_xoffset; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
1349 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1350 for (auto *txt_elt : e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1351 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1352 m_xoffset = saved_xoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1353 txt_elt->accept (*this); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1354 max_xoffset = math::max (m_xoffset, max_xoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1355 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1356 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1357 m_xoffset = max_xoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1358 } |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1359 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1360 void |
31771
21f9b34eb893
maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents:
31706
diff
changeset
|
1361 ft_text_renderer::reset () |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1362 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1363 set_mode (MODE_BBOX); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1364 set_color (Matrix (1, 3, 0.0)); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1365 m_strlist = std::list<text_renderer::string> (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1366 } |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1367 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1368 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1369 ft_text_renderer::set_color (const Matrix& c) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
1370 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1371 if (c.numel () == 3) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1372 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1373 m_color(0) = static_cast<uint8_t> (c(0)*255); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1374 m_color(1) = static_cast<uint8_t> (c(1)*255); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1375 m_color(2) = static_cast<uint8_t> (c(2)*255); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1376 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1377 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1378 ::warning ("ft_text_renderer::set_color: invalid color"); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1379 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1380 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1381 uint8NDArray |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1382 ft_text_renderer::render (text_element *elt, Matrix& box, int rotation) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1383 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1384 set_mode (MODE_BBOX); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1385 elt->accept (*this); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1386 compute_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1387 box = m_bbox; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1388 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1389 set_mode (MODE_RENDER); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1390 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1391 if (m_pixels.numel () > 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1392 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1393 elt->accept (*this); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1394 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1395 rotate_pixels (m_pixels, rotation); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1396 } |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
1397 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1398 return m_pixels; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1399 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1400 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1401 // Note: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1402 // x-extent accurately measures width of glyphs. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1403 // y-extent is overly large because it is measured from baseline-to-baseline. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1404 // Calling routines, such as ylabel, may need to account for this mismatch. |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1405 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1406 Matrix |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1407 ft_text_renderer::get_extent (text_element *elt, double rotation) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1408 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1409 set_mode (MODE_BBOX); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1410 elt->accept (*this); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1411 compute_bbox (); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1412 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1413 Matrix extent (1, 2, 0.0); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1414 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1415 switch (rotation_to_mode (rotation)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1416 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1417 case ROTATION_0: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1418 case ROTATION_180: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1419 extent(0) = m_bbox(2); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1420 extent(1) = m_bbox(3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1421 break; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1422 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1423 case ROTATION_90: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1424 case ROTATION_270: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1425 extent(0) = m_bbox(3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1426 extent(1) = m_bbox(2); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1427 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1428 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1429 return extent; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1430 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1431 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1432 Matrix |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1433 ft_text_renderer::get_extent (const std::string& txt, double rotation, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1434 const caseless_str& interpreter) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1435 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1436 text_element *elt = text_parser::parse (txt, interpreter); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1437 Matrix extent = get_extent (elt, rotation); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1438 delete elt; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1439 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1440 return extent; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1441 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1442 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1443 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1444 ft_text_renderer::text_to_pixels (const std::string& txt, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1445 uint8NDArray& pxls, Matrix& box, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1446 int _halign, int valign, double rotation, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1447 const caseless_str& interpreter, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1448 bool handle_rotation) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1449 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1450 int rot_mode = rotation_to_mode (rotation); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1451 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1452 m_halign = _halign; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1453 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1454 text_element *elt = text_parser::parse (txt, interpreter); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1455 pxls = render (elt, box, rot_mode); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1456 delete elt; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1457 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1458 if (pxls.isempty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1459 return; // nothing to render |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1460 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1461 // Move X0 and Y0 depending on alignments and eventually swap all values |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1462 // for text rotated 90° 180° or 270° |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1463 fix_bbox_anchor (box, m_halign, valign, rot_mode, handle_rotation); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1464 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1465 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1466 ft_text_renderer::ft_font::ft_font (const ft_font& ft) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1467 : text_renderer::font (ft), m_face (nullptr) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1468 { |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1469 #if defined (HAVE_FT_REFERENCE_FACE) |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1470 FT_Face ft_face = ft.get_face (); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1471 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1472 if (ft_face && FT_Reference_Face (ft_face) == 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1473 m_face = ft_face; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1474 #endif |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1475 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1476 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1477 ft_text_renderer::ft_font& |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1478 ft_text_renderer::ft_font::operator = (const ft_font& ft) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1479 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1480 if (&ft != this) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1481 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1482 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
|
1483 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1484 if (m_face) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1485 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1486 FT_Done_Face (m_face); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1487 m_face = nullptr; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1488 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1489 |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1490 #if defined (HAVE_FT_REFERENCE_FACE) |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1491 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
|
1492 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1493 if (ft_face && FT_Reference_Face (ft_face) == 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1494 m_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
|
1495 #endif |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1496 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1497 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1498 return *this; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1499 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1500 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1501 FT_Face |
31771
21f9b34eb893
maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents:
31706
diff
changeset
|
1502 ft_text_renderer::ft_font::get_face () const |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1503 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1504 if (! m_face && ! m_name.empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1505 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1506 m_face = ft_manager::get_font (m_name, m_weight, m_angle, m_size); |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1507 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1508 if (m_face) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1509 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1510 if (FT_Set_Char_Size (m_face, 0, m_size*64, 0, 0)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1511 ::warning ("ft_text_renderer: unable to set font size to %g", m_size); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1512 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1513 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1514 ::warning ("ft_text_renderer: unable to load appropriate font"); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1515 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1516 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1517 return m_face; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1518 } |
31605
e88a07dec498
maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1519 |
e88a07dec498
maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1520 OCTAVE_END_NAMESPACE(octave) |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1521 |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents:
20715
diff
changeset
|
1522 #endif |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1523 |
31605
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maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
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1524 OCTAVE_BEGIN_NAMESPACE(octave) |
e88a07dec498
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Rik <rik@octave.org>
parents:
30564
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changeset
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1525 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
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1526 base_text_renderer * |
31771
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maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents:
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1527 make_ft_text_renderer () |
31607
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maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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1528 { |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
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1529 #if defined (HAVE_FREETYPE) |
31607
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Rik <rik@octave.org>
parents:
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1530 return new ft_text_renderer (); |
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John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
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1531 #else |
31607
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Rik <rik@octave.org>
parents:
31605
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1532 return 0; |
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John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
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1533 #endif |
31607
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Rik <rik@octave.org>
parents:
31605
diff
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1534 } |
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maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1535 |
e88a07dec498
maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1536 OCTAVE_END_NAMESPACE(octave) |