SkBitmapSource.h revision cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977
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 14class SK_API SkBitmapSource : public SkImageFilter { 15public: 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 27protected: 28 explicit SkBitmapSource(SkReadBuffer& buffer); 29 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; 30 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 31 SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; 32 virtual bool onFilterBounds(const SkIRect& src, const SkMatrix& ctm, SkIRect* dst) const SK_OVERRIDE; 33 34#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS 35public: 36#endif 37 explicit SkBitmapSource(const SkBitmap& bitmap); 38 SkBitmapSource(const SkBitmap& bitmap, const SkRect& srcRect, const SkRect& dstRect); 39 40private: 41 SkBitmap fBitmap; 42 SkRect fSrcRect, fDstRect; 43 typedef SkImageFilter INHERITED; 44}; 45 46#endif 47