1 2 /* 3 * Copyright 2010 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 11 #ifndef SkGr_DEFINED 12 #define SkGr_DEFINED 13 14 #include <stddef.h> 15 16 // Gr headers 17 #include "GrTypes.h" 18 #include "GrContext.h" 19 #include "GrFontScaler.h" 20 21 // skia headers 22 #include "SkBitmap.h" 23 #include "SkPath.h" 24 #include "SkPoint.h" 25 #include "SkRegion.h" 26 #include "SkClipStack.h" 27 28 //////////////////////////////////////////////////////////////////////////////// 29 // Sk to Gr Type conversions 30 31 GR_STATIC_ASSERT((int)kZero_GrBlendCoeff == (int)SkXfermode::kZero_Coeff); 32 GR_STATIC_ASSERT((int)kOne_GrBlendCoeff == (int)SkXfermode::kOne_Coeff); 33 GR_STATIC_ASSERT((int)kSC_GrBlendCoeff == (int)SkXfermode::kSC_Coeff); 34 GR_STATIC_ASSERT((int)kISC_GrBlendCoeff == (int)SkXfermode::kISC_Coeff); 35 GR_STATIC_ASSERT((int)kDC_GrBlendCoeff == (int)SkXfermode::kDC_Coeff); 36 GR_STATIC_ASSERT((int)kIDC_GrBlendCoeff == (int)SkXfermode::kIDC_Coeff); 37 GR_STATIC_ASSERT((int)kSA_GrBlendCoeff == (int)SkXfermode::kSA_Coeff); 38 GR_STATIC_ASSERT((int)kISA_GrBlendCoeff == (int)SkXfermode::kISA_Coeff); 39 GR_STATIC_ASSERT((int)kDA_GrBlendCoeff == (int)SkXfermode::kDA_Coeff); 40 GR_STATIC_ASSERT((int)kIDA_GrBlendCoeff == (int)SkXfermode::kIDA_Coeff); 41 42 #define sk_blend_to_grblend(X) ((GrBlendCoeff)(X)) 43 44 /////////////////////////////////////////////////////////////////////////////// 45 46 #include "SkColorPriv.h" 47 48 /** 49 * Convert the SkBitmap::Config to the corresponding PixelConfig, or 50 * kUnknown_PixelConfig if the conversion cannot be done. 51 */ 52 GrPixelConfig SkBitmapConfig2GrPixelConfig(SkBitmap::Config); 53 bool GrPixelConfig2ColorType(GrPixelConfig, SkColorType*); 54 55 static inline GrColor SkColor2GrColor(SkColor c) { 56 SkPMColor pm = SkPreMultiplyColor(c); 57 unsigned r = SkGetPackedR32(pm); 58 unsigned g = SkGetPackedG32(pm); 59 unsigned b = SkGetPackedB32(pm); 60 unsigned a = SkGetPackedA32(pm); 61 return GrColorPackRGBA(r, g, b, a); 62 } 63 64 //////////////////////////////////////////////////////////////////////////////// 65 66 bool GrIsBitmapInCache(const GrContext*, const SkBitmap&, const GrTextureParams*); 67 68 GrTexture* GrLockAndRefCachedBitmapTexture(GrContext*, const SkBitmap&, const GrTextureParams*); 69 70 void GrUnlockAndUnrefCachedBitmapTexture(GrTexture*); 71 72 //////////////////////////////////////////////////////////////////////////////// 73 // Classes 74 75 class SkGlyphCache; 76 77 class SkGrFontScaler : public GrFontScaler { 78 public: 79 explicit SkGrFontScaler(SkGlyphCache* strike); 80 virtual ~SkGrFontScaler(); 81 82 // overrides 83 virtual const GrKey* getKey(); 84 virtual GrMaskFormat getMaskFormat(); 85 virtual bool getPackedGlyphBounds(GrGlyph::PackedID, SkIRect* bounds); 86 virtual bool getPackedGlyphImage(GrGlyph::PackedID, int width, int height, 87 int rowBytes, void* image); 88 virtual bool getGlyphPath(uint16_t glyphID, SkPath*); 89 90 private: 91 SkGlyphCache* fStrike; 92 GrKey* fKey; 93 // DECLARE_INSTANCE_COUNTER(SkGrFontScaler); 94 }; 95 96 //////////////////////////////////////////////////////////////////////////////// 97 98 #endif 99
