Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/src/OT/Layout/GPOS/PosLookup.hh @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 #ifndef OT_LAYOUT_GPOS_POSLOOKUP_HH
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2 #define OT_LAYOUT_GPOS_POSLOOKUP_HH
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4 #include "PosLookupSubTable.hh"
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5 #include "../../../hb-ot-layout-common.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 PosLookup : Lookup
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12 {
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13 using SubTable = PosLookupSubTable;
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15 const SubTable& get_subtable (unsigned int i) const
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16 { return Lookup::get_subtable<SubTable> (i); }
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18 bool is_reverse () const
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19 {
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20 return false;
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21 }
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23 bool apply (hb_ot_apply_context_t *c) const
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24 {
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25 TRACE_APPLY (this);
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26 return_trace (dispatch (c));
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27 }
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29 bool intersects (const hb_set_t *glyphs) const
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30 {
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31 hb_intersects_context_t c (glyphs);
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32 return dispatch (&c);
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33 }
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35 hb_collect_glyphs_context_t::return_t collect_glyphs (hb_collect_glyphs_context_t *c) const
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36 { return dispatch (c); }
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38 hb_closure_lookups_context_t::return_t closure_lookups (hb_closure_lookups_context_t *c, unsigned this_index) const
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39 {
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40 if (c->is_lookup_visited (this_index))
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41 return hb_closure_lookups_context_t::default_return_value ();
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43 c->set_lookup_visited (this_index);
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44 if (!intersects (c->glyphs))
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45 {
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46 c->set_lookup_inactive (this_index);
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47 return hb_closure_lookups_context_t::default_return_value ();
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48 }
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50 hb_closure_lookups_context_t::return_t ret = dispatch (c);
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51 return ret;
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52 }
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54 template <typename set_t>
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55 void collect_coverage (set_t *glyphs) const
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56 {
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57 hb_collect_coverage_context_t<set_t> c (glyphs);
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58 dispatch (&c);
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59 }
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61 template <typename context_t>
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62 static typename context_t::return_t dispatch_recurse_func (context_t *c, unsigned int lookup_index);
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64 template <typename context_t, typename ...Ts>
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65 typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
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66 { return Lookup::dispatch<SubTable> (c, std::forward<Ts> (ds)...); }
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68 bool subset (hb_subset_context_t *c) const
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69 { return Lookup::subset<SubTable> (c); }
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71 bool sanitize (hb_sanitize_context_t *c) const
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72 { return Lookup::sanitize<SubTable> (c); }
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73 };
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75 }
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76 }
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77 }
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79 #endif /* OT_LAYOUT_GPOS_POSLOOKUP_HH */