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 28 GrTexture* getTexture() { return fBitmap.getTexture(); } 29 30private: 31 SkBitmap fBitmap; 32 33 typedef SkImage_Base INHERITED; 34}; 35 36/////////////////////////////////////////////////////////////////////////////// 37 38SkImage_Gpu::SkImage_Gpu(const SkBitmap& bitmap) 39 : INHERITED(bitmap.width(), bitmap.height()) 40 , fBitmap(bitmap) { 41 SkASSERT(NULL != fBitmap.getTexture()); 42} 43 44SkImage_Gpu::~SkImage_Gpu() { 45} 46 47void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, 48 const SkPaint* paint) { 49 canvas->drawBitmap(fBitmap, x, y, paint); 50} 51 52void SkImage_Gpu::onDrawRectToRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst, 53 const SkPaint* paint) { 54 canvas->drawBitmapRectToRect(fBitmap, src, dst, paint); 55} 56 57GrTexture* SkImage_Gpu::onGetTexture() { 58 return fBitmap.getTexture(); 59} 60 61bool SkImage_Gpu::getROPixels(SkBitmap* dst) const { 62 return fBitmap.copyTo(dst, kN32_SkColorType); 63} 64 65/////////////////////////////////////////////////////////////////////////////// 66 67SkImage* SkImage::NewTexture(const SkBitmap& bitmap) { 68 if (NULL == bitmap.getTexture()) { 69 return NULL; 70 } 71 72 return SkNEW_ARGS(SkImage_Gpu, (bitmap)); 73} 74 75GrTexture* SkTextureImageGetTexture(SkImage* image) { 76 return ((SkImage_Gpu*)image)->getTexture(); 77} 78