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-rw-r--r--gfx/ots/src/math_.h60
1 files changed, 52 insertions, 8 deletions
diff --git a/gfx/ots/src/math_.h b/gfx/ots/src/math_.h
index 91c54dbe1..875cacd4d 100644
--- a/gfx/ots/src/math_.h
+++ b/gfx/ots/src/math_.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Copyright (c) 2014-2017 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.
@@ -9,14 +9,58 @@
namespace ots {
-struct OpenTypeMATH {
- OpenTypeMATH()
- : data(NULL),
- length(0) {
- }
+class OpenTypeMATH : public Table {
+ public:
+ explicit OpenTypeMATH(Font *font, uint32_t tag)
+ : Table(font, tag, tag),
+ m_data(NULL),
+ m_length(0) { }
- const uint8_t *data;
- size_t length;
+ bool Parse(const uint8_t *data, size_t length);
+ bool Serialize(OTSStream *out);
+ bool ShouldSerialize();
+
+ private:
+ bool ParseMathValueRecord(ots::Buffer* subtable,
+ const uint8_t *data,
+ const size_t length);
+ bool ParseMathConstantsTable(const uint8_t *data, size_t length);
+ bool ParseMathValueRecordSequenceForGlyphs(ots::Buffer* subtable,
+ const uint8_t *data,
+ const size_t length,
+ const uint16_t num_glyphs);
+ bool ParseMathItalicsCorrectionInfoTable(const uint8_t *data,
+ size_t length,
+ const uint16_t num_glyphs);
+ bool ParseMathTopAccentAttachmentTable(const uint8_t *data,
+ size_t length,
+ const uint16_t num_glyphs);
+ bool ParseMathKernTable(const uint8_t *data, size_t length);
+ bool ParseMathKernInfoTable(const uint8_t *data,
+ size_t length,
+ const uint16_t num_glyphs);
+ bool ParseMathGlyphInfoTable(const uint8_t *data,
+ size_t length,
+ const uint16_t num_glyphs);
+ bool ParseGlyphAssemblyTable(const uint8_t *data,
+ size_t length,
+ const uint16_t num_glyphs);
+ bool ParseMathGlyphConstructionTable(const uint8_t *data,
+ size_t length,
+ const uint16_t num_glyphs);
+ bool ParseMathGlyphConstructionSequence(ots::Buffer* subtable,
+ const uint8_t *data,
+ size_t length,
+ const uint16_t num_glyphs,
+ uint16_t offset_coverage,
+ uint16_t glyph_count,
+ const unsigned sequence_end);
+ bool ParseMathVariantsTable(const uint8_t *data,
+ size_t length,
+ const uint16_t num_glyphs);
+
+ const uint8_t *m_data;
+ size_t m_length;
};
} // namespace ots