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#include "SkImage_Base.h" 9#include "SkImagePriv.h" 10#include "SkBitmap.h" 11#include "SkCanvas.h" 12#include "GrContext.h" 13#include "GrTexture.h" 14 15class SkImage_Gpu : public SkImage_Base { 16public: 17 SK_DECLARE_INST_COUNT(SkImage_Gpu) 18 19 explicit SkImage_Gpu(const SkBitmap&); 20 virtual ~SkImage_Gpu(); 21 22 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const SK_OVERRIDE; 23 virtual void onDrawRectToRect(SkCanvas*, const SkRect* src, const SkRect& dst, 24 const SkPaint*) const SK_OVERRIDE; 25 virtual GrTexture* onGetTexture() const SK_OVERRIDE; 26 virtual bool getROPixels(SkBitmap*) const SK_OVERRIDE; 27 28 GrTexture* getTexture() const { return fBitmap.getTexture(); } 29 30 virtual SkShader* onNewShader(SkShader::TileMode, 31 SkShader::TileMode, 32 const SkMatrix* localMatrix) const SK_OVERRIDE; 33 34 virtual bool isOpaque() const SK_OVERRIDE; 35 36private: 37 SkBitmap fBitmap; 38 39 typedef SkImage_Base INHERITED; 40}; 41 42/////////////////////////////////////////////////////////////////////////////// 43 44SkImage_Gpu::SkImage_Gpu(const SkBitmap& bitmap) 45 : INHERITED(bitmap.width(), bitmap.height()) 46 , fBitmap(bitmap) { 47 SkASSERT(fBitmap.getTexture()); 48} 49 50SkImage_Gpu::~SkImage_Gpu() { 51} 52 53SkShader* SkImage_Gpu::onNewShader(SkShader::TileMode tileX, 54 SkShader::TileMode tileY, 55 const SkMatrix* localMatrix) const 56{ 57 return SkShader::CreateBitmapShader(fBitmap, tileX, tileY, localMatrix); 58} 59 60void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint* paint) const { 61 canvas->drawBitmap(fBitmap, x, y, paint); 62} 63 64void SkImage_Gpu::onDrawRectToRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst, 65 const SkPaint* paint) const { 66 canvas->drawBitmapRectToRect(fBitmap, src, dst, paint); 67} 68 69GrTexture* SkImage_Gpu::onGetTexture() const { 70 return fBitmap.getTexture(); 71} 72 73bool SkImage_Gpu::getROPixels(SkBitmap* dst) const { 74 return fBitmap.copyTo(dst, kN32_SkColorType); 75} 76 77bool SkImage_Gpu::isOpaque() const { 78 return fBitmap.isOpaque(); 79} 80 81/////////////////////////////////////////////////////////////////////////////// 82 83SkImage* SkImage::NewTexture(const SkBitmap& bitmap) { 84 if (NULL == bitmap.getTexture()) { 85 return NULL; 86 } 87 88 return SkNEW_ARGS(SkImage_Gpu, (bitmap)); 89} 90 91GrTexture* SkTextureImageGetTexture(SkImage* image) { 92 return ((SkImage_Gpu*)image)->getTexture(); 93} 94