SkOffsetImageFilter.h revision cac5fd597f6e2495f50aaa6bcbe3dadc56f0b977
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 static SkOffsetImageFilter* Create(SkScalar dx, SkScalar dy, SkImageFilter* input = NULL, 19 const CropRect* cropRect = NULL) { 20 return SkNEW_ARGS(SkOffsetImageFilter, (dx, dy, input, cropRect)); 21 } 22 virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE; 23 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkOffsetImageFilter) 24 25protected: 26 SkOffsetImageFilter(SkReadBuffer& buffer); 27 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; 28 29 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 30 SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE; 31 virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) const SK_OVERRIDE; 32 33#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS 34public: 35#endif 36 SkOffsetImageFilter(SkScalar dx, SkScalar dy, SkImageFilter* input = NULL, 37 const CropRect* cropRect = NULL); 38 39private: 40 SkVector fOffset; 41}; 42 43#endif 44