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-rw-r--r--gfx/ots/src/glyf.h66
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diff --git a/gfx/ots/src/glyf.h b/gfx/ots/src/glyf.h
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+// 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_