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 20 // skia headers 21 #include "SkBitmap.h" 22 #include "SkPath.h" 23 #include "SkPoint.h" 24 #include "SkRegion.h" 25 #include "SkClipStack.h" 26 27 //////////////////////////////////////////////////////////////////////////////// 28 // Sk to Gr Type conversions 29 30 GR_STATIC_ASSERT((int)kZero_GrBlendCoeff == (int)SkXfermode::kZero_Coeff); 31 GR_STATIC_ASSERT((int)kOne_GrBlendCoeff == (int)SkXfermode::kOne_Coeff); 32 GR_STATIC_ASSERT((int)kSC_GrBlendCoeff == (int)SkXfermode::kSC_Coeff); 33 GR_STATIC_ASSERT((int)kISC_GrBlendCoeff == (int)SkXfermode::kISC_Coeff); 34 GR_STATIC_ASSERT((int)kDC_GrBlendCoeff == (int)SkXfermode::kDC_Coeff); 35 GR_STATIC_ASSERT((int)kIDC_GrBlendCoeff == (int)SkXfermode::kIDC_Coeff); 36 GR_STATIC_ASSERT((int)kSA_GrBlendCoeff == (int)SkXfermode::kSA_Coeff); 37 GR_STATIC_ASSERT((int)kISA_GrBlendCoeff == (int)SkXfermode::kISA_Coeff); 38 GR_STATIC_ASSERT((int)kDA_GrBlendCoeff == (int)SkXfermode::kDA_Coeff); 39 GR_STATIC_ASSERT((int)kIDA_GrBlendCoeff == (int)SkXfermode::kIDA_Coeff); 40 41 #define sk_blend_to_grblend(X) ((GrBlendCoeff)(X)) 42 43 /////////////////////////////////////////////////////////////////////////////// 44 45 #include "SkColorPriv.h" 46 47 GrPixelConfig SkImageInfo2GrPixelConfig(SkColorType, SkAlphaType); 48 49 static inline GrPixelConfig SkImageInfo2GrPixelConfig(const SkImageInfo& info) { 50 return SkImageInfo2GrPixelConfig(info.colorType(), info.alphaType()); 51 } 52 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 static inline GrColor SkColor2GrColorJustAlpha(SkColor c) { 65 U8CPU a = SkColorGetA(c); 66 return GrColorPackRGBA(a, a, a, a); 67 } 68 69 //////////////////////////////////////////////////////////////////////////////// 70 71 bool GrIsBitmapInCache(const GrContext*, const SkBitmap&, const GrTextureParams*); 72 73 GrTexture* GrLockAndRefCachedBitmapTexture(GrContext*, const SkBitmap&, const GrTextureParams*); 74 75 void GrUnlockAndUnrefCachedBitmapTexture(GrTexture*); 76 77 //////////////////////////////////////////////////////////////////////////////// 78 79 // Converts a SkPaint to a GrPaint, ignoring the SkPaint's shader. 80 // Sets the color of GrPaint to the value of the parameter paintColor 81 // Callers may subsequently modify the GrPaint. Setting constantColor indicates 82 // that the final paint will draw the same color at every pixel. This allows 83 // an optimization where the the color filter can be applied to the SkPaint's 84 // color once while converting to GrPaint and then ignored. 85 void SkPaint2GrPaintNoShader(GrContext* context, const SkPaint& skPaint, GrColor paintColor, 86 bool constantColor, GrPaint* grPaint); 87 88 // This function is similar to skPaint2GrPaintNoShader but also converts 89 // skPaint's shader to a GrTexture/GrProcessorStage if possible. 90 // constantColor has the same meaning as in skPaint2GrPaintNoShader. 91 void SkPaint2GrPaintShader(GrContext* context, const SkPaint& skPaint, 92 bool constantColor, GrPaint* grPaint); 93 94 //////////////////////////////////////////////////////////////////////////////// 95 // Classes 96 97 class SkGlyphCache; 98 99 //////////////////////////////////////////////////////////////////////////////// 100 101 #endif 102
