| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkColor.h" |
| #include "SkImageFilter.h" |
| #include "SkScalar.h" |
| |
| class SK_API SkDropShadowImageFilter : public SkImageFilter { |
| public: |
| static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, SkScalar sigma, |
| SkColor color, SkImageFilter* input = NULL) { |
| return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigma, color, input)); |
| } |
| static SkDropShadowImageFilter* Create(SkScalar dx, SkScalar dy, |
| SkScalar sigmaX, SkScalar sigmaY, SkColor color, |
| SkImageFilter* input = NULL, |
| const CropRect* cropRect = NULL) { |
| return SkNEW_ARGS(SkDropShadowImageFilter, (dx, dy, sigmaX, sigmaY, |
| color, input, cropRect)); |
| } |
| virtual void computeFastBounds(const SkRect&, SkRect*) const SK_OVERRIDE; |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDropShadowImageFilter) |
| |
| protected: |
| SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigma, SkColor, |
| SkImageFilter* input); |
| SkDropShadowImageFilter(SkScalar dx, SkScalar dy, SkScalar sigmaX, SkScalar sigmaY, SkColor, |
| SkImageFilter* input, const CropRect* cropRect); |
| explicit SkDropShadowImageFilter(SkReadBuffer&); |
| virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| virtual bool onFilterImage(Proxy*, const SkBitmap& source, const Context&, SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE; |
| virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&, |
| SkIRect* dst) const SK_OVERRIDE; |
| |
| private: |
| SkScalar fDx, fDy, fSigmaX, fSigmaY; |
| SkColor fColor; |
| typedef SkImageFilter INHERITED; |
| }; |