SkMagnifierImageFilter.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 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 static SkMagnifierImageFilter* Create(const SkRect& srcRect, SkScalar inset) { 18 return SkNEW_ARGS(SkMagnifierImageFilter, (srcRect, inset)); 19 } 20 21 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMagnifierImageFilter) 22 23protected: 24 explicit SkMagnifierImageFilter(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* offset) const SK_OVERRIDE; 29#if SK_SUPPORT_GPU 30 virtual bool asNewEffect(GrEffectRef** effect, GrTexture* texture, const SkMatrix& matrix, const SkIRect& bounds) const SK_OVERRIDE; 31#endif 32 33#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS 34public: 35#endif 36 SkMagnifierImageFilter(const SkRect& srcRect, SkScalar inset); 37 38private: 39 SkRect fSrcRect; 40 SkScalar fInset; 41 typedef SkImageFilter INHERITED; 42}; 43 44#endif 45