SkMagnifierImageFilter.h revision d043ccee3788ea4192806bd8c94484ed003fa828
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#if SK_SUPPORT_GPU 20 virtual bool asNewEffect(GrEffectRef** effect, GrTexture* texture) const SK_OVERRIDE; 21#endif 22 23 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMagnifierImageFilter) 24 25protected: 26 explicit SkMagnifierImageFilter(SkFlattenableReadBuffer& buffer); 27 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; 28 29 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const SkMatrix&, 30 SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; 31 32private: 33 SkRect fSrcRect; 34 SkScalar fInset; 35 typedef SkImageFilter INHERITED; 36}; 37 38#endif 39