SkOffsetImageFilter.h revision ae761f7545d8ebf181d220169afac2056b057b8c
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 14class SK_API SkOffsetImageFilter : public SkImageFilter { 15 typedef SkImageFilter INHERITED; 16 17public: 18 SkOffsetImageFilter(SkScalar dx, SkScalar dy, SkImageFilter* input = NULL, 19 const CropRect* cropRect = NULL); 20 virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE; 21 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkOffsetImageFilter) 22 23protected: 24 SkOffsetImageFilter(SkReadBuffer& buffer); 25 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; 26 27 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 28 SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE; 29 virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) const SK_OVERRIDE; 30 31private: 32 SkVector fOffset; 33}; 34 35#endif 36