annotate mupdf-source/thirdparty/harfbuzz/src/OT/Layout/GPOS/PairPos.hh @ 40:aa33339d6b8a upstream

ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
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1 #ifndef OT_LAYOUT_GPOS_PAIRPOS_HH
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2 #define OT_LAYOUT_GPOS_PAIRPOS_HH
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4 #include "PairPosFormat1.hh"
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5 #include "PairPosFormat2.hh"
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7 namespace OT {
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8 namespace Layout {
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9 namespace GPOS_impl {
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11 struct PairPos
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12 {
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13 protected:
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14 union {
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15 HBUINT16 format; /* Format identifier */
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16 PairPosFormat1_3<SmallTypes> format1;
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17 PairPosFormat2_4<SmallTypes> format2;
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18 #ifndef HB_NO_BEYOND_64K
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19 PairPosFormat1_3<MediumTypes> format3;
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20 PairPosFormat2_4<MediumTypes> format4;
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21 #endif
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22 } u;
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24 public:
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25 template <typename context_t, typename ...Ts>
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26 typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
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27 {
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28 TRACE_DISPATCH (this, u.format);
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29 if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
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30 switch (u.format) {
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31 case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
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32 case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
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33 #ifndef HB_NO_BEYOND_64K
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34 case 3: return_trace (c->dispatch (u.format3, std::forward<Ts> (ds)...));
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35 case 4: return_trace (c->dispatch (u.format4, std::forward<Ts> (ds)...));
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36 #endif
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37 default:return_trace (c->default_return_value ());
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38 }
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39 }
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40 };
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42 }
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43 }
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44 }
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46 #endif // OT_LAYOUT_GPOS_PAIRPOS_HH