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 9 #ifndef SkMagnifierImageFilter_DEFINED 10 #define SkMagnifierImageFilter_DEFINED 11 12 #include "SkRect.h" 13 #include "SkImageFilter.h" 14 15 class SK_API SkMagnifierImageFilter : public SkImageFilter { 16 public: 17 static sk_sp<SkImageFilter> Make(const SkRect& srcRect, SkScalar inset, 18 sk_sp<SkImageFilter> input, 19 const CropRect* cropRect = nullptr); 20 21 protected: 22 SkMagnifierImageFilter(const SkRect& srcRect, 23 SkScalar inset, 24 sk_sp<SkImageFilter> input, 25 const CropRect* cropRect); 26 void flatten(SkWriteBuffer&) const override; 27 28 sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, 29 SkIPoint* offset) const override; 30 sk_sp<SkImageFilter> onMakeColorSpace(SkColorSpaceXformer*) const override; 31 32 private: 33 SK_FLATTENABLE_HOOKS(SkMagnifierImageFilter) 34 35 SkRect fSrcRect; 36 SkScalar fInset; 37 38 typedef SkImageFilter INHERITED; 39 }; 40 41 #endif 42