1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 10 #ifndef SkPDFFontImpl_DEFINED 11 #define SkPDFFontImpl_DEFINED 12 13 #include "SkPDFFont.h" 14 15 class SkPDFType0Font : public SkPDFFont { 16 public: 17 virtual ~SkPDFType0Font(); multiByteGlyphs()18 virtual bool multiByteGlyphs() const { return true; } 19 SK_API virtual SkPDFFont* getFontSubset(const SkPDFGlyphSet* usage); 20 #ifdef SK_DEBUG 21 virtual void emitObject(SkWStream* stream, SkPDFCatalog* catalog, 22 bool indirect); 23 #endif 24 25 private: 26 friend class SkPDFFont; // to access the constructor 27 #ifdef SK_DEBUG 28 bool fPopulated; 29 typedef SkPDFDict INHERITED; 30 #endif 31 32 SkPDFType0Font(const SkAdvancedTypefaceMetrics* info, SkTypeface* typeface); 33 34 bool populate(const SkPDFGlyphSet* subset); 35 }; 36 37 class SkPDFCIDFont : public SkPDFFont { 38 public: 39 virtual ~SkPDFCIDFont(); multiByteGlyphs()40 virtual bool multiByteGlyphs() const { return true; } 41 42 private: 43 friend class SkPDFType0Font; // to access the constructor 44 45 SkPDFCIDFont(const SkAdvancedTypefaceMetrics* info, SkTypeface* typeface, 46 const SkPDFGlyphSet* subset); 47 48 bool populate(const SkPDFGlyphSet* subset); 49 bool addFontDescriptor(int16_t defaultWidth, 50 const SkTDArray<uint32_t>* subset); 51 }; 52 53 class SkPDFType1Font : public SkPDFFont { 54 public: 55 virtual ~SkPDFType1Font(); multiByteGlyphs()56 virtual bool multiByteGlyphs() const { return false; } 57 58 private: 59 friend class SkPDFFont; // to access the constructor 60 61 SkPDFType1Font(const SkAdvancedTypefaceMetrics* info, SkTypeface* typeface, 62 uint16_t glyphID, SkPDFDict* relatedFontDescriptor); 63 64 bool populate(int16_t glyphID); 65 bool addFontDescriptor(int16_t defaultWidth); 66 void addWidthInfoFromRange(int16_t defaultWidth, 67 const SkAdvancedTypefaceMetrics::WidthRange* widthRangeEntry); 68 }; 69 70 class SkPDFType3Font : public SkPDFFont { 71 public: 72 virtual ~SkPDFType3Font(); multiByteGlyphs()73 virtual bool multiByteGlyphs() const { return false; } 74 75 private: 76 friend class SkPDFFont; // to access the constructor 77 78 SkPDFType3Font(const SkAdvancedTypefaceMetrics* info, 79 SkTypeface* typeface, uint16_t glyphID); 80 81 bool populate(uint16_t glyphID); 82 }; 83 84 #endif 85