gpos.h - mozsearch

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// Copyright (c) 2011-2017 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_GPOS_H_

#define OTS_GPOS_H_

#include "ots.h"

#include "layout.h"

namespace ots {

class OpenTypeGPOS : public OpenTypeLayoutTable {

 public:

  explicit OpenTypeGPOS(Font *font, uint32_t tag)

      : OpenTypeLayoutTable(font, tag, tag) { }

 private:

  bool ValidLookupSubtableType(const uint16_t lookup_type,

                               bool extension = false) const;

  bool ParseLookupSubtable(const uint8_t *data, const size_t length,

                           const uint16_t lookup_type);

  bool ParseSingleAdjustment(const uint8_t *data, const size_t length);

  bool ParsePairAdjustment(const uint8_t *data, const size_t length);

  bool ParseCursiveAttachment(const uint8_t *data, const size_t length);

  bool ParseMarkToBaseAttachment(const uint8_t *data, const size_t length);

  bool ParseMarkToLigatureAttachment(const uint8_t *data, const size_t length);

  bool ParseMarkToMarkAttachment(const uint8_t *data, const size_t length);

};

}  // namespace ots

#endif