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#include "SkGrPixelRef.h" 15 16class SkImage_Gpu : public SkImage_Base { 17public: 18 SK_DECLARE_INST_COUNT(SkImage_Gpu) 19 20 explicit SkImage_Gpu(const SkBitmap&); 21 virtual ~SkImage_Gpu(); 22 23 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) SK_OVERRIDE; 24 virtual void onDrawRectToRect(SkCanvas*, const SkRect* src, const SkRect& dst, const SkPaint*) SK_OVERRIDE; 25 virtual GrTexture* onGetTexture() SK_OVERRIDE; 26 virtual bool getROPixels(SkBitmap*) const SK_OVERRIDE { 27 // TODO 28 return false; 29 } 30 31 GrTexture* getTexture() { return fBitmap.getTexture(); } 32 33private: 34 SkBitmap fBitmap; 35 36 typedef SkImage_Base INHERITED; 37}; 38 39SK_DEFINE_INST_COUNT(SkImage_Gpu) 40 41/////////////////////////////////////////////////////////////////////////////// 42 43SkImage_Gpu::SkImage_Gpu(const SkBitmap& bitmap) 44 : INHERITED(bitmap.width(), bitmap.height()) 45 , fBitmap(bitmap) { 46 SkASSERT(NULL != fBitmap.getTexture()); 47} 48 49SkImage_Gpu::~SkImage_Gpu() { 50} 51 52void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, 53 const SkPaint* paint) { 54 canvas->drawBitmap(fBitmap, x, y, paint); 55} 56 57void SkImage_Gpu::onDrawRectToRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst, 58 const SkPaint* paint) { 59 canvas->drawBitmapRectToRect(fBitmap, src, dst, paint); 60} 61 62GrTexture* SkImage_Gpu::onGetTexture() { 63 return fBitmap.getTexture(); 64} 65 66/////////////////////////////////////////////////////////////////////////////// 67 68SkImage* SkImage::NewTexture(const SkBitmap& bitmap) { 69 if (NULL == bitmap.getTexture()) { 70 return NULL; 71 } 72 73 return SkNEW_ARGS(SkImage_Gpu, (bitmap)); 74} 75 76GrTexture* SkTextureImageGetTexture(SkImage* image) { 77 return ((SkImage_Gpu*)image)->getTexture(); 78} 79