| /* |
| * 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_ |