Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/src/OT/Layout/Common/CoverageFormat1.hh @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright © 2007,2008,2009 Red Hat, Inc.
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3 * Copyright © 2010,2012 Google, Inc.
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4 *
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5 * This is part of HarfBuzz, a text shaping library.
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6 *
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7 * Permission is hereby granted, without written agreement and without
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8 * license or royalty fees, to use, copy, modify, and distribute this
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9 * software and its documentation for any purpose, provided that the
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10 * above copyright notice and the following two paragraphs appear in
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11 * all copies of this software.
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12 *
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13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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17 * DAMAGE.
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18 *
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19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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24 *
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25 * Red Hat Author(s): Behdad Esfahbod
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26 * Google Author(s): Behdad Esfahbod, Garret Rieger
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27 */
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30 #ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT1_HH
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31 #define OT_LAYOUT_COMMON_COVERAGEFORMAT1_HH
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33 namespace OT {
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34 namespace Layout {
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35 namespace Common {
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37 #define NOT_COVERED ((unsigned int) -1)
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39 template <typename Types>
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40 struct CoverageFormat1_3
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41 {
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42 friend struct Coverage;
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44 protected:
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45 HBUINT16 coverageFormat; /* Format identifier--format = 1 */
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46 SortedArray16Of<typename Types::HBGlyphID>
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47 glyphArray; /* Array of GlyphIDs--in numerical order */
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48 public:
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49 DEFINE_SIZE_ARRAY (4, glyphArray);
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50
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51 private:
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52 bool sanitize (hb_sanitize_context_t *c) const
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53 {
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54 TRACE_SANITIZE (this);
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55 return_trace (glyphArray.sanitize (c));
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56 }
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57
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58 unsigned int get_coverage (hb_codepoint_t glyph_id) const
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59 {
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60 unsigned int i;
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61 glyphArray.bfind (glyph_id, &i, HB_NOT_FOUND_STORE, NOT_COVERED);
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62 return i;
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63 }
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64
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65 unsigned get_population () const
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66 {
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67 return glyphArray.len;
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68 }
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70 template <typename Iterator,
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71 hb_requires (hb_is_sorted_source_of (Iterator, hb_codepoint_t))>
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72 bool serialize (hb_serialize_context_t *c, Iterator glyphs)
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73 {
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74 TRACE_SERIALIZE (this);
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75 return_trace (glyphArray.serialize (c, glyphs));
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76 }
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78 bool intersects (const hb_set_t *glyphs) const
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79 {
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80 if (glyphArray.len > glyphs->get_population () * hb_bit_storage ((unsigned) glyphArray.len) / 2)
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81 {
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82 for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);)
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83 if (get_coverage (g) != NOT_COVERED)
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84 return true;
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85 return false;
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86 }
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87
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88 for (const auto& g : glyphArray.as_array ())
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89 if (glyphs->has (g))
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90 return true;
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91 return false;
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92 }
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93 bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const
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94 { return glyphs->has (glyphArray[index]); }
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95
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96 template <typename IterableOut,
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97 hb_requires (hb_is_sink_of (IterableOut, hb_codepoint_t))>
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98 void intersect_set (const hb_set_t &glyphs, IterableOut&& intersect_glyphs) const
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99 {
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100 unsigned count = glyphArray.len;
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101 for (unsigned i = 0; i < count; i++)
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102 if (glyphs.has (glyphArray[i]))
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103 intersect_glyphs << glyphArray[i];
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104 }
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105
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106 template <typename set_t>
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107 bool collect_coverage (set_t *glyphs) const
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108 { return glyphs->add_sorted_array (glyphArray.as_array ()); }
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109
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110 public:
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111 /* Older compilers need this to be public. */
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112 struct iter_t
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113 {
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114 void init (const struct CoverageFormat1_3 &c_) { c = &c_; i = 0; }
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115 bool __more__ () const { return i < c->glyphArray.len; }
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116 void __next__ () { i++; }
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117 hb_codepoint_t get_glyph () const { return c->glyphArray[i]; }
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118 bool operator != (const iter_t& o) const
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119 { return i != o.i; }
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120 iter_t __end__ () const { iter_t it; it.init (*c); it.i = c->glyphArray.len; return it; }
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121
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122 private:
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123 const struct CoverageFormat1_3 *c;
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124 unsigned int i;
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125 };
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126 private:
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127 };
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128
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129 }
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130 }
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131 }
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132
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133 #endif // #ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT1_HH