SkDropShadowImageFilter.h revision 336d1d759590d9bedcbc5a96d0fff79861cf8f7a
1/* 2 * Copyright 2013 Google Inc. 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#include "SkColor.h" 9#include "SkImageFilter.h" 10#include "SkScalar.h" 11 12class SK_API SkDropShadowImageFilter : public SkImageFilter { 13public: 14 SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigma, SkColor, SkImageFilter* input = NULL); 15 SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigmaX, SkScalar sigmaY, SkColor, SkImageFilter* input = NULL, const CropRect* cropRect = NULL); 16 virtual void computeFastBounds(const SkRect&, SkRect*) const SK_OVERRIDE; 17 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDropShadowImageFilter) 18 19protected: 20 explicit SkDropShadowImageFilter(SkFlattenableReadBuffer&); 21 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; 22 virtual bool onFilterImage(Proxy*, const SkBitmap& source, const SkMatrix&, SkBitmap* result, SkIPoint* loc) SK_OVERRIDE; 23 24private: 25 SkScalar fDx, fDy, fSigmaX, fSigmaY; 26 SkColor fColor; 27 typedef SkImageFilter INHERITED; 28}; 29