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Diffstat (limited to '')
-rw-r--r-- | gfx/ots/src/glyf.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gfx/ots/src/glyf.h b/gfx/ots/src/glyf.h new file mode 100644 index 0000000000..08c585df34 --- /dev/null +++ b/gfx/ots/src/glyf.h @@ -0,0 +1,66 @@ +// 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_ |