| // Copyright (c) 2009-2017 The OTS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef OTS_GLYF_H_ |
| #define OTS_GLYF_H_ |
| |
| #include <new> |
| #include <utility> |
| #include <vector> |
| |
| #include "ots.h" |
| |
| namespace ots { |
| class OpenTypeMAXP; |
| |
| class OpenTypeGLYF : public Table { |
| public: |
| explicit OpenTypeGLYF(Font *font, uint32_t tag) |
| : Table(font, tag, tag), maxp(NULL) { } |
| |
| bool Parse(const uint8_t *data, size_t length); |
| bool Serialize(OTSStream *out); |
| |
| private: |
| struct GidAtLevel { |
| uint16_t gid; |
| uint32_t level; |
| }; |
| |
| struct ComponentPointCount { |
| ComponentPointCount() : accumulated_component_points(0) {}; |
| uint32_t accumulated_component_points; |
| std::vector<GidAtLevel> gid_stack; |
| }; |
| |
| bool ParseFlagsForSimpleGlyph(Buffer &glyph, |
| uint32_t num_flags, |
| uint32_t *flag_index, |
| uint32_t *coordinates_length); |
| bool ParseSimpleGlyph(Buffer &glyph, int16_t num_contours); |
| bool ParseCompositeGlyph( |
| Buffer &glyph, |
| ComponentPointCount* component_point_count); |
| |
| |
| bool TraverseComponentsCountingPoints( |
| Buffer& glyph, |
| uint16_t base_glyph_id, |
| uint32_t level, |
| ComponentPointCount* component_point_count); |
| |
| Buffer GetGlyphBufferSection( |
| const uint8_t *data, |
| size_t length, |
| const std::vector<uint32_t>& loca_offsets, |
| unsigned glyph_id); |
| |
| OpenTypeMAXP* maxp; |
| |
| std::vector<std::pair<const uint8_t*, size_t> > iov; |
| }; |
| |
| } // namespace ots |
| |
| #endif // OTS_GLYF_H_ |