Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/gfx/ots/src/math_.h b/gfx/ots/src/math_.h
new file mode 100644
index 0000000000..875cacd4da
--- /dev/null
+++ b/gfx/ots/src/math_.h
@@ -0,0 +1,69 @@
+// 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.
+
+#ifndef OTS_MATH_H_
+#define OTS_MATH_H_
+
+#include "ots.h"
+
+namespace ots {
+
+class OpenTypeMATH : public Table {
+ public:
+  explicit OpenTypeMATH(Font *font, uint32_t tag)
+      : Table(font, tag, tag),
+        m_data(NULL),
+        m_length(0) { }
+
+  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
+
+#endif
+