Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/src/OT/Layout/GSUB/LigatureSet.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
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1 #ifndef OT_LAYOUT_GSUB_LIGATURESET_HH
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2 #define OT_LAYOUT_GSUB_LIGATURESET_HH
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3
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4 #include "Common.hh"
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5 #include "Ligature.hh"
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7 namespace OT {
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8 namespace Layout {
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9 namespace GSUB_impl {
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11 template <typename Types>
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12 struct LigatureSet
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13 {
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14 protected:
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15 Array16OfOffset16To<Ligature<Types>>
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16 ligature; /* Array LigatureSet tables
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17 * ordered by preference */
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18 public:
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19 DEFINE_SIZE_ARRAY (2, ligature);
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21 bool sanitize (hb_sanitize_context_t *c) const
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22 {
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23 TRACE_SANITIZE (this);
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24 return_trace (ligature.sanitize (c, this));
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25 }
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27 bool intersects (const hb_set_t *glyphs) const
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28 {
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29 return
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30 + hb_iter (ligature)
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31 | hb_map (hb_add (this))
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32 | hb_map ([glyphs] (const Ligature<Types> &_) { return _.intersects (glyphs); })
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33 | hb_any
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34 ;
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35 }
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37 void closure (hb_closure_context_t *c) const
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38 {
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39 + hb_iter (ligature)
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40 | hb_map (hb_add (this))
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41 | hb_apply ([c] (const Ligature<Types> &_) { _.closure (c); })
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42 ;
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43 }
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45 void collect_glyphs (hb_collect_glyphs_context_t *c) const
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46 {
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47 + hb_iter (ligature)
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48 | hb_map (hb_add (this))
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49 | hb_apply ([c] (const Ligature<Types> &_) { _.collect_glyphs (c); })
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50 ;
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51 }
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52
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53 bool would_apply (hb_would_apply_context_t *c) const
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54 {
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55 return
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56 + hb_iter (ligature)
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57 | hb_map (hb_add (this))
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58 | hb_map ([c] (const Ligature<Types> &_) { return _.would_apply (c); })
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59 | hb_any
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60 ;
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61 }
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63 bool apply (hb_ot_apply_context_t *c) const
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64 {
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65 TRACE_APPLY (this);
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66 unsigned int num_ligs = ligature.len;
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67 for (unsigned int i = 0; i < num_ligs; i++)
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68 {
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69 const auto &lig = this+ligature[i];
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70 if (lig.apply (c)) return_trace (true);
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71 }
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73 return_trace (false);
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74 }
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76 bool serialize (hb_serialize_context_t *c,
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77 hb_array_t<const HBGlyphID16> ligatures,
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78 hb_array_t<const unsigned int> component_count_list,
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79 hb_array_t<const HBGlyphID16> &component_list /* Starting from second for each ligature */)
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80 {
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81 TRACE_SERIALIZE (this);
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82 if (unlikely (!c->extend_min (this))) return_trace (false);
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83 if (unlikely (!ligature.serialize (c, ligatures.length))) return_trace (false);
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84 for (unsigned int i = 0; i < ligatures.length; i++)
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85 {
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86 unsigned int component_count = (unsigned) hb_max ((int) component_count_list[i] - 1, 0);
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87 if (unlikely (!ligature[i].serialize_serialize (c,
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88 ligatures[i],
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89 component_list.sub_array (0, component_count))))
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90 return_trace (false);
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91 component_list += component_count;
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92 }
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93 return_trace (true);
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94 }
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95
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96 bool subset (hb_subset_context_t *c, unsigned coverage_idx) const
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97 {
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98 TRACE_SUBSET (this);
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99 auto *out = c->serializer->start_embed (*this);
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100 if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
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101
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102 + hb_iter (ligature)
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103 | hb_filter (subset_offset_array (c, out->ligature, this, coverage_idx))
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104 | hb_drain
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105 ;
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106
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107 if (bool (out->ligature))
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108 // Ensure Coverage table is always packed after this.
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109 c->serializer->add_virtual_link (coverage_idx);
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110
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111 return_trace (bool (out->ligature));
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112 }
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113 };
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114
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115 }
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116 }
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117 }
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118
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119 #endif /* OT_LAYOUT_GSUB_LIGATURESET_HH */