SkMagnifierImageFilter.h revision 82aa7482cbf55ce6d42c692550cadee5e23146e4
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 15class SK_API SkMagnifierImageFilter : public SkImageFilter { 16public: 17 SkMagnifierImageFilter(SkRect srcRect, SkScalar inset); 18 19 virtual bool asNewCustomStage(GrCustomStage** stage, 20 GrTexture* texture) const SK_OVERRIDE; 21 22 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMagnifierImageFilter) 23 24protected: 25 explicit SkMagnifierImageFilter(SkFlattenableReadBuffer& buffer); 26 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; 27 28 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 29 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 30 31private: 32 SkRect fSrcRect; 33 SkScalar fInset; 34 typedef SkImageFilter INHERITED; 35}; 36 37#endif 38