1 /* 2 * Copyright 2012 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkFontDescriptor_DEFINED 9 #define SkFontDescriptor_DEFINED 10 11 #include "SkFixed.h" 12 #include "SkStream.h" 13 #include "SkString.h" 14 #include "SkTypeface.h" 15 16 class SkFontData { 17 public: 18 /** Makes a copy of the data in 'axis'. */ SkFontData(std::unique_ptr<SkStreamAsset> stream,int index,const SkFixed axis[],int axisCount)19 SkFontData(std::unique_ptr<SkStreamAsset> stream, int index, const SkFixed axis[],int axisCount) 20 : fStream(std::move(stream)), fIndex(index), fAxisCount(axisCount), fAxis(axisCount) 21 { 22 for (int i = 0; i < axisCount; ++i) { 23 fAxis[i] = axis[i]; 24 } 25 } SkFontData(const SkFontData & that)26 SkFontData(const SkFontData& that) 27 : fStream(that.fStream->duplicate()) 28 , fIndex(that.fIndex) 29 , fAxisCount(that.fAxisCount) 30 , fAxis(fAxisCount) 31 { 32 for (int i = 0; i < fAxisCount; ++i) { 33 fAxis[i] = that.fAxis[i]; 34 } 35 } hasStream()36 bool hasStream() const { return fStream.get() != nullptr; } detachStream()37 std::unique_ptr<SkStreamAsset> detachStream() { return std::move(fStream); } getStream()38 SkStreamAsset* getStream() { return fStream.get(); } getStream()39 SkStreamAsset const* getStream() const { return fStream.get(); } getIndex()40 int getIndex() const { return fIndex; } getAxisCount()41 int getAxisCount() const { return fAxisCount; } getAxis()42 const SkFixed* getAxis() const { return fAxis.get(); } 43 44 private: 45 std::unique_ptr<SkStreamAsset> fStream; 46 int fIndex; 47 int fAxisCount; 48 SkAutoSTMalloc<4, SkFixed> fAxis; 49 }; 50 51 class SkFontDescriptor : SkNoncopyable { 52 public: 53 SkFontDescriptor(); 54 // Does not affect ownership of SkStream. 55 static bool Deserialize(SkStream*, SkFontDescriptor* result); 56 57 void serialize(SkWStream*); 58 getStyle()59 SkFontStyle getStyle() { return fStyle; } setStyle(SkFontStyle style)60 void setStyle(SkFontStyle style) { fStyle = style; } 61 getFamilyName()62 const char* getFamilyName() const { return fFamilyName.c_str(); } getFullName()63 const char* getFullName() const { return fFullName.c_str(); } getPostscriptName()64 const char* getPostscriptName() const { return fPostscriptName.c_str(); } hasFontData()65 bool hasFontData() const { return fFontData.get() != nullptr; } detachFontData()66 std::unique_ptr<SkFontData> detachFontData() { return std::move(fFontData); } 67 setFamilyName(const char * name)68 void setFamilyName(const char* name) { fFamilyName.set(name); } setFullName(const char * name)69 void setFullName(const char* name) { fFullName.set(name); } setPostscriptName(const char * name)70 void setPostscriptName(const char* name) { fPostscriptName.set(name); } 71 /** Set the font data only if it is necessary for serialization. */ setFontData(std::unique_ptr<SkFontData> data)72 void setFontData(std::unique_ptr<SkFontData> data) { fFontData = std::move(data); } 73 74 private: 75 SkString fFamilyName; 76 SkString fFullName; 77 SkString fPostscriptName; 78 std::unique_ptr<SkFontData> fFontData; 79 80 SkFontStyle fStyle; 81 }; 82 83 #endif // SkFontDescriptor_DEFINED 84