/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_GLYPH_INFO_H_
#define SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_GLYPH_INFO_H_
#include <vector>
#include <map>
#include "sfntly/table/subtable.h"
namespace sfntly {
// An immutable class holding bitmap glyph information.
class BitmapGlyphInfo : public RefCounted<BitmapGlyphInfo> {
public:
// Constructor for a relative located glyph. The glyph's position in the EBDT
// table is a combination of it's block offset and it's own start offset.
// @param glyphId the glyph id
// @param blockOffset the offset of the block to which the glyph belongs
// @param startOffset the offset of the glyph within the block
// @param length the byte length
// @param format the glyph image format
BitmapGlyphInfo(int32_t glyph_id,
int32_t block_offset,
int32_t start_offset,
int32_t length,
int32_t format);
// Constructor for an absolute located glyph. The glyph's position in the EBDT
// table is only given by it's own start offset.
// @param glyphId the glyph id
// @param startOffset the offset of the glyph within the block
// @param length the byte length
// @param format the glyph image format
BitmapGlyphInfo(int32_t glyph_id,
int32_t start_offset,
int32_t length,
int32_t format);
int32_t glyph_id() const { return glyph_id_; }
bool relative() const { return relative_; }
int32_t block_offset() const { return block_offset_; }
int32_t offset() const { return block_offset() + start_offset(); }
int32_t start_offset() const { return start_offset_; }
int32_t length() const { return length_; }
int32_t format() const { return format_; }
// UNIMPLEMENTED: hashCode()
bool operator==(const BitmapGlyphInfo& rhs) const;
bool operator==(BitmapGlyphInfo* rhs);
private:
int32_t glyph_id_;
bool relative_;
int32_t block_offset_;
int32_t start_offset_;
int32_t length_;
int32_t format_;
};
typedef Ptr<BitmapGlyphInfo> BitmapGlyphInfoPtr;
typedef std::map<int32_t, BitmapGlyphInfoPtr> BitmapGlyphInfoMap;
typedef std::vector<BitmapGlyphInfoMap> BitmapLocaList;
class StartOffsetComparator {
public:
bool operator()(BitmapGlyphInfo* lhs, BitmapGlyphInfo* rhs);
};
} // namespace sfntly
#endif // SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_GLYPH_INFO_H_
