diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-aat-layout-lcar-table.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-aat-layout-lcar-table.hh | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-lcar-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-lcar-table.hh deleted file mode 100644 index 7063b386c2..0000000000 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-lcar-table.hh +++ /dev/null @@ -1,162 +0,0 @@ -/* - * Copyright © 2018 Ebrahim Byagowi - * - * This is part of HarfBuzz, a text shaping library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - */ -#ifndef HB_AAT_LAYOUT_LCAR_TABLE_HH -#define HB_AAT_LAYOUT_LCAR_TABLE_HH - -#include "hb-open-type.hh" -#include "hb-aat-layout-common.hh" - -/* - * lcar -- Ligature caret - * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6lcar.html - */ -#define HB_AAT_TAG_lcar HB_TAG('l','c','a','r') - - -namespace AAT { - -typedef ArrayOf<HBINT16> LigCaretClassEntry; - -struct lcarFormat0 -{ - unsigned int get_lig_carets (hb_font_t *font, - hb_direction_t direction, - hb_codepoint_t glyph, - unsigned int start_offset, - unsigned int *caret_count /* IN/OUT */, - hb_position_t *caret_array /* OUT */, - const void *base) const - { - const OffsetTo<LigCaretClassEntry>* entry_offset = lookupTable.get_value (glyph, - font->face->get_num_glyphs ()); - const LigCaretClassEntry& array = entry_offset ? base+*entry_offset : Null (LigCaretClassEntry); - if (caret_count) - { - hb_array_t<const HBINT16> arr = array.sub_array (start_offset, caret_count); - for (unsigned int i = 0; i < arr.length; ++i) - caret_array[i] = font->em_scale_dir (arr[i], direction); - } - return array.len; - } - - bool sanitize (hb_sanitize_context_t *c, const void *base) const - { - TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this) && lookupTable.sanitize (c, base))); - } - - protected: - Lookup<OffsetTo<LigCaretClassEntry>> - lookupTable; /* data Lookup table associating glyphs */ - public: - DEFINE_SIZE_MIN (2); -}; - -struct lcarFormat1 -{ - unsigned int get_lig_carets (hb_font_t *font, - hb_direction_t direction, - hb_codepoint_t glyph, - unsigned int start_offset, - unsigned int *caret_count /* IN/OUT */, - hb_position_t *caret_array /* OUT */, - const void *base) const - { - const OffsetTo<LigCaretClassEntry>* entry_offset = lookupTable.get_value (glyph, - font->face->get_num_glyphs ()); - const LigCaretClassEntry& array = entry_offset ? base+*entry_offset : Null (LigCaretClassEntry); - if (caret_count) - { - hb_array_t<const HBINT16> arr = array.sub_array (start_offset, caret_count); - for (unsigned int i = 0; i < arr.length; ++i) - { - hb_position_t x = 0, y = 0; - font->get_glyph_contour_point_for_origin (glyph, arr[i], direction, &x, &y); - caret_array[i] = HB_DIRECTION_IS_HORIZONTAL (direction) ? x : y; - } - } - return array.len; - } - - bool sanitize (hb_sanitize_context_t *c, const void *base) const - { - TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this) && lookupTable.sanitize (c, base))); - } - - protected: - Lookup<OffsetTo<LigCaretClassEntry>> - lookupTable; /* data Lookup table associating glyphs */ - public: - DEFINE_SIZE_MIN (2); -}; - -struct lcar -{ - static constexpr hb_tag_t tableTag = HB_AAT_TAG_lcar; - - unsigned int get_lig_carets (hb_font_t *font, - hb_direction_t direction, - hb_codepoint_t glyph, - unsigned int start_offset, - unsigned int *caret_count /* IN/OUT */, - hb_position_t *caret_array /* OUT */) const - { - switch (format) - { - case 0: return u.format0.get_lig_carets (font, direction, glyph, start_offset, - caret_count, caret_array, this); - case 1: return u.format1.get_lig_carets (font, direction, glyph, start_offset, - caret_count, caret_array, this); - default:if (caret_count) *caret_count = 0; return 0; - } - } - - bool sanitize (hb_sanitize_context_t *c) const - { - TRACE_SANITIZE (this); - if (unlikely (!c->check_struct (this) || version.major != 1)) - return_trace (false); - - switch (format) { - case 0: return_trace (u.format0.sanitize (c, this)); - case 1: return_trace (u.format1.sanitize (c, this)); - default:return_trace (true); - } - } - - protected: - FixedVersion<>version; /* Version number of the ligature caret table */ - HBUINT16 format; /* Format of the ligature caret table. */ - union { - lcarFormat0 format0; - lcarFormat0 format1; - } u; - public: - DEFINE_SIZE_MIN (8); -}; - -} /* namespace AAT */ - -#endif /* HB_AAT_LAYOUT_LCAR_TABLE_HH */ |