1 /* 2 * Copyright 2013 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 #ifndef SkTileImageFilter_DEFINED 9 #define SkTileImageFilter_DEFINED 10 11 #include "SkImageFilter.h" 12 13 class SK_API SkTileImageFilter : public SkImageFilter { 14 typedef SkImageFilter INHERITED; 15 16 public: 17 /** Tile image filter constructor 18 @param srcRect Defines the pixels to tile 19 @param dstRect Defines the pixels where tiles are drawn 20 @param input Input from which the subregion defined by srcRect will be tiled 21 */ SkTileImageFilter(const SkRect & srcRect,const SkRect & dstRect,SkImageFilter * input)22 SkTileImageFilter(const SkRect& srcRect, const SkRect& dstRect, SkImageFilter* input) 23 : INHERITED(input), fSrcRect(srcRect), fDstRect(dstRect) {} 24 25 virtual bool onFilterImage(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm, 26 SkBitmap* dst, SkIPoint* offset) SK_OVERRIDE; 27 28 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTileImageFilter) 29 30 protected: 31 explicit SkTileImageFilter(SkFlattenableReadBuffer& buffer); 32 33 virtual void flatten(SkFlattenableWriteBuffer& buffer) const SK_OVERRIDE; 34 35 private: 36 SkRect fSrcRect; 37 SkRect fDstRect; 38 }; 39 40 #endif 41