1 /* 2 * Copyright 2012 The Android Open Source Project 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 #ifndef SkBitmapSource_DEFINED 9 #define SkBitmapSource_DEFINED 10 11 #include "SkImageFilter.h" 12 #include "SkBitmap.h" 13 14 class SK_API SkBitmapSource : public SkImageFilter { 15 public: 16 static SkBitmapSource* Create(const SkBitmap& bitmap) { 17 return SkNEW_ARGS(SkBitmapSource, (bitmap)); 18 } 19 static SkBitmapSource* Create(const SkBitmap& bitmap, const SkRect& srcRect, 20 const SkRect& dstRect) { 21 return SkNEW_ARGS(SkBitmapSource, (bitmap, srcRect, dstRect)); 22 } 23 virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE; 24 25 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapSource) 26 27 protected: 28 explicit SkBitmapSource(const SkBitmap& bitmap); 29 SkBitmapSource(const SkBitmap& bitmap, const SkRect& srcRect, const SkRect& dstRect); 30 explicit SkBitmapSource(SkReadBuffer& buffer); 31 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; 32 33 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, 34 SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; 35 virtual bool onFilterBounds(const SkIRect& src, const SkMatrix& ctm, SkIRect* dst) const SK_OVERRIDE; 36 37 private: 38 SkBitmap fBitmap; 39 SkRect fSrcRect, fDstRect; 40 typedef SkImageFilter INHERITED; 41 }; 42 43 #endif 44
