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 15 class SK_API SkMagnifierImageFilter : public SkImageFilter { 16 public: Create(const SkRect & srcRect,SkScalar inset)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 23 protected: 24 SkMagnifierImageFilter(const SkRect& srcRect, SkScalar inset); 25 explicit SkMagnifierImageFilter(SkReadBuffer& buffer); 26 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; 27 28 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, 29 SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; 30 #if SK_SUPPORT_GPU 31 virtual bool asNewEffect(GrEffectRef** effect, GrTexture* texture, const SkMatrix& matrix, const SkIRect& bounds) const SK_OVERRIDE; 32 #endif 33 34 private: 35 SkRect fSrcRect; 36 SkScalar fInset; 37 typedef SkImageFilter INHERITED; 38 }; 39 40 #endif 41