| /* |
| * 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_BITMAP_GLYPH_H_ |
| #define SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_BITMAP_GLYPH_H_ |
| |
| #include <vector> |
| #include <map> |
| |
| #include "sfntly/table/subtable.h" |
| |
| namespace sfntly { |
| |
| class BitmapGlyph : public SubTable { |
| public: |
| struct Offset { |
| enum { |
| // header |
| kVersion = 0, |
| |
| kSmallGlyphMetricsLength = 5, |
| kBigGlyphMetricsLength = 8, |
| // format 1 |
| kGlyphFormat1_imageData = kSmallGlyphMetricsLength, |
| |
| // format 2 |
| kGlyphFormat2_imageData = kSmallGlyphMetricsLength, |
| |
| // format 3 |
| |
| // format 4 |
| |
| // format 5 |
| kGlyphFormat5_imageData = 0, |
| |
| // format 6 |
| kGlyphFormat6_imageData = kBigGlyphMetricsLength, |
| |
| // format 7 |
| kGlyphFormat7_imageData = kBigGlyphMetricsLength, |
| |
| // format 8 |
| kGlyphFormat8_numComponents = kSmallGlyphMetricsLength + 1, |
| kGlyphFormat8_componentArray = kGlyphFormat8_numComponents + |
| DataSize::kUSHORT, |
| |
| // format 9 |
| kGlyphFormat9_numComponents = kBigGlyphMetricsLength, |
| kGlyphFormat9_componentArray = kGlyphFormat9_numComponents + |
| DataSize::kUSHORT, |
| |
| // ebdtComponent |
| kEbdtComponentLength = DataSize::kUSHORT + 2 * DataSize::kCHAR, |
| kEbdtComponent_glyphCode = 0, |
| kEbdtComponent_xOffset = 2, |
| kEbdtComponent_yOffset = 3, |
| }; |
| }; |
| |
| // TODO(stuartg): builder is not functional at all |
| // - need to add subclasses for each type of bitmap glyph |
| class Builder : public SubTable::Builder { |
| public: |
| virtual ~Builder(); |
| |
| virtual CALLER_ATTACH FontDataTable* SubBuildTable(ReadableFontData* data); |
| virtual void SubDataSet(); |
| virtual int32_t SubDataSizeToSerialize(); |
| virtual bool SubReadyToSerialize(); |
| virtual int32_t SubSerialize(WritableFontData* new_data); |
| |
| int32_t format() { return format_; } |
| |
| static CALLER_ATTACH Builder* CreateGlyphBuilder(ReadableFontData* data, |
| int32_t format); |
| |
| protected: |
| Builder(WritableFontData* data, int32_t format); |
| Builder(ReadableFontData* data, int32_t format); |
| |
| private: |
| int32_t format_; |
| }; |
| |
| virtual ~BitmapGlyph(); |
| |
| static CALLER_ATTACH BitmapGlyph* CreateGlyph(ReadableFontData* data, |
| int32_t format); |
| int32_t format() { return format_; } |
| |
| // UNIMPLEMENTED: toString() |
| |
| protected: |
| BitmapGlyph(ReadableFontData* data, int32_t format); |
| |
| private: |
| int32_t format_; |
| }; |
| typedef Ptr<BitmapGlyph> BitmapGlyphPtr; |
| typedef Ptr<BitmapGlyph::Builder> BitmapGlyphBuilderPtr; |
| typedef std::map<int32_t, BitmapGlyphBuilderPtr> BitmapGlyphBuilderMap; |
| typedef std::vector<BitmapGlyphBuilderMap> BitmapGlyphBuilderList; |
| |
| } // namespace sfntly |
| |
| #endif // SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_BITMAP_GLYPH_H_ |