Behdad Esfahbod
11 months ago
parent
0f2fe75508
commit
0d6f77e629
6 changed files with 110 additions and 0 deletions
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#ifndef OT_VAR_VARC_VARC_HH |
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#define OT_VAR_VARC_VARC_HH |
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#include "../../../hb-ot-layout-common.hh" |
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namespace OT { |
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//namespace Var {
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/*
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* VARC -- Variable Composites |
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* https://github.com/harfbuzz/boring-expansion-spec/blob/main/VARC.md
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*/ |
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struct VARC |
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{ |
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static constexpr hb_tag_t tableTag = HB_TAG ('V', 'A', 'R', 'C'); |
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bool |
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get_path (hb_font_t *font, hb_codepoint_t gid, hb_draw_session_t &draw_session) const |
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{ |
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unsigned idx = (this+coverage).get_coverage (gid); |
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if (idx == NOT_COVERED) |
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return false; |
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// TODO
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return true; |
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} |
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bool paint_glyph (hb_font_t *font, hb_codepoint_t gid, hb_paint_funcs_t *funcs, void *data, hb_color_t foreground) const |
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{ |
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funcs->push_clip_glyph (data, gid, font); |
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funcs->color (data, true, foreground); |
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funcs->pop_clip (data); |
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return true; |
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} |
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bool sanitize (hb_sanitize_context_t *c) const |
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{ |
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TRACE_SANITIZE (this); |
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return_trace (version.sanitize (c) && |
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hb_barrier () && |
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version.major == 1 && |
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coverage.sanitize (c, this) && |
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varStore.sanitize (c, this) && |
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axisIndicesList.sanitize (c, this) && |
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glyphRecords.sanitize (c, this)); |
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} |
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protected: |
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FixedVersion<> version; /* Version identifier */ |
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Offset32To<Coverage> coverage; |
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Offset32To<MultiItemVariationStore> varStore; |
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Offset32To<CFF2Index/*Of<TupleValues>*/> axisIndicesList; |
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Offset32To<CFF2Index/*Of<VarCompositeGlyph>*/> glyphRecords; |
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public: |
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DEFINE_SIZE_STATIC (20); |
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}; |
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//}
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} |
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#endif /* OT_VAR_VARC_VARC_HH */ |
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@ -0,0 +1,32 @@ |
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/*
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* Copyright © 2024 Google, Inc. |
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* |
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* This is part of HarfBuzz, a text shaping library. |
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* |
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* Permission is hereby granted, without written agreement and without |
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* license or royalty fees, to use, copy, modify, and distribute this |
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* software and its documentation for any purpose, provided that the |
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* above copyright notice and the following two paragraphs appear in |
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* all copies of this software. |
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* |
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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* |
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* Google Author(s): Behdad Esfahbod |
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*/ |
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#ifndef HB_OT_VAR_VARC_TABLE_HH |
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#define HB_OT_VAR_VARC_TABLE_HH |
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#include "OT/Var/VARC/VARC.hh" |
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#endif /* HB_OT_VAR_VARC_TABLE_HH */ |
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