1 /* 2 * Copyright 2015 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 SkImageSource_DEFINED 9 #define SkImageSource_DEFINED 10 11 #include "SkImage.h" 12 #include "SkImageFilter.h" 13 14 class SK_API SkImageSource : public SkImageFilter { 15 public: 16 static sk_sp<SkImageFilter> Make(sk_sp<SkImage> image); 17 static sk_sp<SkImageFilter> Make(sk_sp<SkImage> image, 18 const SkRect& srcRect, 19 const SkRect& dstRect, 20 SkFilterQuality filterQuality); 21 22 SkRect computeFastBounds(const SkRect& src) const override; 23 24 SK_TO_STRING_OVERRIDE() 25 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkImageSource) 26 27 protected: 28 void flatten(SkWriteBuffer&) const override; 29 30 sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, 31 SkIPoint* offset) const override; 32 sk_sp<SkImageFilter> onMakeColorSpace(SkColorSpaceXformer*) const override; 33 34 SkIRect onFilterNodeBounds(const SkIRect&, const SkMatrix&, MapDirection) const override; 35 36 private: 37 explicit SkImageSource(sk_sp<SkImage>); 38 SkImageSource(sk_sp<SkImage>, 39 const SkRect& srcRect, 40 const SkRect& dstRect, 41 SkFilterQuality); 42 43 sk_sp<SkImage> fImage; 44 SkRect fSrcRect, fDstRect; 45 SkFilterQuality fFilterQuality; 46 47 typedef SkImageFilter INHERITED; 48 }; 49 50 #endif 51
