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 SkOffsetImageFilter_DEFINED 9 #define SkOffsetImageFilter_DEFINED 10 11 #include "SkImageFilter.h" 12 #include "SkPoint.h" 13 14 class SK_API SkOffsetImageFilter : public SkImageFilter { 15 public: 16 static sk_sp<SkImageFilter> Make(SkScalar dx, SkScalar dy, 17 sk_sp<SkImageFilter> input, 18 const CropRect* cropRect = nullptr); 19 20 SkRect computeFastBounds(const SkRect& src) const override; 21 22 SK_TO_STRING_OVERRIDE() 23 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkOffsetImageFilter) 24 25 protected: 26 void flatten(SkWriteBuffer&) const override; 27 sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&, 28 SkIPoint* offset) const override; 29 SkIRect onFilterNodeBounds(const SkIRect&, const SkMatrix&, MapDirection) const override; 30 31 private: 32 SkOffsetImageFilter(SkScalar dx, SkScalar dy, sk_sp<SkImageFilter> input, const CropRect*); 33 34 SkVector fOffset; 35 36 typedef SkImageFilter INHERITED; 37 }; 38 39 #endif 40
