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 31GR_STATIC_ASSERT((int)kZero_GrBlendCoeff == (int)SkXfermode::kZero_Coeff); 32GR_STATIC_ASSERT((int)kOne_GrBlendCoeff == (int)SkXfermode::kOne_Coeff); 33GR_STATIC_ASSERT((int)kSC_GrBlendCoeff == (int)SkXfermode::kSC_Coeff); 34GR_STATIC_ASSERT((int)kISC_GrBlendCoeff == (int)SkXfermode::kISC_Coeff); 35GR_STATIC_ASSERT((int)kDC_GrBlendCoeff == (int)SkXfermode::kDC_Coeff); 36GR_STATIC_ASSERT((int)kIDC_GrBlendCoeff == (int)SkXfermode::kIDC_Coeff); 37GR_STATIC_ASSERT((int)kSA_GrBlendCoeff == (int)SkXfermode::kSA_Coeff); 38GR_STATIC_ASSERT((int)kISA_GrBlendCoeff == (int)SkXfermode::kISA_Coeff); 39GR_STATIC_ASSERT((int)kDA_GrBlendCoeff == (int)SkXfermode::kDA_Coeff); 40GR_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 */ 52GrPixelConfig SkBitmapConfig2GrPixelConfig(SkBitmap::Config); 53bool GrPixelConfig2ColorType(GrPixelConfig, SkColorType*); 54 55static 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 66bool GrIsBitmapInCache(const GrContext*, const SkBitmap&, const GrTextureParams*); 67 68GrTexture* GrLockAndRefCachedBitmapTexture(GrContext*, const SkBitmap&, const GrTextureParams*); 69 70void GrUnlockAndUnrefCachedBitmapTexture(GrTexture*); 71 72//////////////////////////////////////////////////////////////////////////////// 73// Classes 74 75class SkGlyphCache; 76 77class SkGrFontScaler : public GrFontScaler { 78public: 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 90private: 91 SkGlyphCache* fStrike; 92 GrKey* fKey; 93// DECLARE_INSTANCE_COUNTER(SkGrFontScaler); 94}; 95 96//////////////////////////////////////////////////////////////////////////////// 97 98#endif 99