1 /* 2 * Copyright 2011 Google Inc. All Rights Reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_BIG_GLYPH_METRICS_H_ 18 #define SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_BIG_GLYPH_METRICS_H_ 19 20 #include "sfntly/table/bitmap/glyph_metrics.h" 21 22 namespace sfntly { 23 24 class BigGlyphMetrics : public GlyphMetrics, 25 public RefCounted<BigGlyphMetrics> { 26 public: 27 struct Offset { 28 enum { 29 kMetricsLength = 8, 30 31 kHeight = 0, 32 kWidth = 1, 33 kHoriBearingX = 2, 34 kHoriBearingY = 3, 35 kHoriAdvance = 4, 36 kVertBearingX = 5, 37 kVertBearingY = 6, 38 kVertAdvance = 7, 39 }; 40 }; 41 42 class Builder : public GlyphMetrics::Builder, 43 public RefCounted<Builder> { 44 public: 45 // Constructor scope altered to public because C++ does not allow base 46 // class to instantiate derived class with protected constructors. 47 explicit Builder(WritableFontData* data); 48 explicit Builder(ReadableFontData* data); 49 50 virtual ~Builder(); 51 52 int32_t Height(); 53 void SetHeight(byte_t height); 54 int32_t Width(); 55 void SetWidth(byte_t width); 56 int32_t HoriBearingX(); 57 void SetHoriBearingX(byte_t bearing); 58 int32_t HoriBearingY(); 59 void SetHoriBearingY(byte_t bearing); 60 int32_t HoriAdvance(); 61 void SetHoriAdvance(byte_t advance); 62 int32_t VertBearingX(); 63 void SetVertBearingX(byte_t bearing); 64 int32_t VertBearingY(); 65 void SetVertBearingY(byte_t bearing); 66 int32_t VertAdvance(); 67 void SetVertAdvance(byte_t advance); 68 69 virtual CALLER_ATTACH FontDataTable* SubBuildTable(ReadableFontData* data); 70 virtual void SubDataSet(); 71 virtual int32_t SubDataSizeToSerialize(); 72 virtual bool SubReadyToSerialize(); 73 virtual int32_t SubSerialize(WritableFontData* new_data); 74 75 // Static instantiation function. 76 static CALLER_ATTACH Builder* CreateBuilder(); 77 }; 78 79 explicit BigGlyphMetrics(ReadableFontData* data); 80 virtual ~BigGlyphMetrics(); 81 82 int32_t Height(); 83 int32_t Width(); 84 int32_t HoriBearingX(); 85 int32_t HoriBearingY(); 86 int32_t HoriAdvance(); 87 int32_t VertBearingX(); 88 int32_t VertBearingY(); 89 int32_t VertAdvance(); 90 }; 91 typedef Ptr<BigGlyphMetrics> BigGlyphMetricsPtr; 92 typedef Ptr<BigGlyphMetrics::Builder> BigGlyphMetricsBuilderPtr; 93 94 } // namespace sfntly 95 96 #endif // SFNTLY_CPP_SRC_SFNTLY_TABLE_BITMAP_BIG_GLYPH_METRICS_H_ 97