| Index: third_party/ots/src/layout.h
|
| diff --git a/third_party/ots/src/layout.h b/third_party/ots/src/layout.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..3b94589e16d07606ab94f99ecdbb67e8d68f97b9
|
| --- /dev/null
|
| +++ b/third_party/ots/src/layout.h
|
| @@ -0,0 +1,76 @@
|
| +// Copyright (c) 2011 The Chromium 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_LAYOUT_H_
|
| +#define OTS_LAYOUT_H_
|
| +
|
| +#include "ots.h"
|
| +
|
| +// Utility functions for OpenType layout common table formats.
|
| +// http://www.microsoft.com/typography/otspec/chapter2.htm
|
| +
|
| +namespace ots {
|
| +
|
| +
|
| +struct LookupSubtableParser {
|
| + struct TypeParser {
|
| + uint16_t type;
|
| + bool (*parse)(const OpenTypeFile *file, const uint8_t *data,
|
| + const size_t length);
|
| + };
|
| + size_t num_types;
|
| + uint16_t extension_type;
|
| + const TypeParser *parsers;
|
| +
|
| + bool Parse(const OpenTypeFile *file, const uint8_t *data,
|
| + const size_t length, const uint16_t lookup_type) const;
|
| +};
|
| +
|
| +bool ParseScriptListTable(const ots::OpenTypeFile *file,
|
| + const uint8_t *data, const size_t length,
|
| + const uint16_t num_features);
|
| +
|
| +bool ParseFeatureListTable(const ots::OpenTypeFile *file,
|
| + const uint8_t *data, const size_t length,
|
| + const uint16_t num_lookups,
|
| + uint16_t *num_features);
|
| +
|
| +bool ParseLookupListTable(OpenTypeFile *file, const uint8_t *data,
|
| + const size_t length,
|
| + const LookupSubtableParser* parser,
|
| + uint16_t* num_lookups);
|
| +
|
| +bool ParseClassDefTable(const ots::OpenTypeFile *file,
|
| + const uint8_t *data, size_t length,
|
| + const uint16_t num_glyphs,
|
| + const uint16_t num_classes);
|
| +
|
| +bool ParseCoverageTable(const ots::OpenTypeFile *file,
|
| + const uint8_t *data, size_t length,
|
| + const uint16_t num_glyphs,
|
| + const uint16_t expected_num_glyphs = 0);
|
| +
|
| +bool ParseDeviceTable(const ots::OpenTypeFile *file,
|
| + const uint8_t *data, size_t length);
|
| +
|
| +// Parser for 'Contextual' subtable shared by GSUB/GPOS tables.
|
| +bool ParseContextSubtable(const ots::OpenTypeFile *file,
|
| + const uint8_t *data, const size_t length,
|
| + const uint16_t num_glyphs,
|
| + const uint16_t num_lookups);
|
| +
|
| +// Parser for 'Chaining Contextual' subtable shared by GSUB/GPOS tables.
|
| +bool ParseChainingContextSubtable(const ots::OpenTypeFile *file,
|
| + const uint8_t *data, const size_t length,
|
| + const uint16_t num_glyphs,
|
| + const uint16_t num_lookups);
|
| +
|
| +bool ParseExtensionSubtable(const OpenTypeFile *file,
|
| + const uint8_t *data, const size_t length,
|
| + const LookupSubtableParser* parser);
|
| +
|
| +} // namespace ots
|
| +
|
| +#endif // OTS_LAYOUT_H_
|
| +
|
|
|