| /* |
| * Copyright 2011 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkBlurImageFilter_DEFINED |
| #define SkBlurImageFilter_DEFINED |
| |
| #include "SkImageFilter.h" |
| #include "SkSize.h" |
| |
| class SK_API SkBlurImageFilter : public SkImageFilter { |
| public: |
| static SkImageFilter* Create(SkScalar sigmaX, SkScalar sigmaY, SkImageFilter* input = NULL, |
| const CropRect* cropRect = NULL) { |
| return new SkBlurImageFilter(sigmaX, sigmaY, input, cropRect); |
| } |
| |
| void computeFastBounds(const SkRect&, SkRect*) const override; |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurImageFilter) |
| |
| protected: |
| void flatten(SkWriteBuffer&) const override; |
| bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, SkBitmap* result, |
| SkIPoint* offset) const override; |
| bool onFilterBounds(const SkIRect& src, const SkMatrix&, SkIRect* dst) const override; |
| bool canFilterImageGPU() const override { return true; } |
| bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx, SkBitmap* result, |
| SkIPoint* offset) const override; |
| |
| private: |
| SkBlurImageFilter(SkScalar sigmaX, |
| SkScalar sigmaY, |
| SkImageFilter* input, |
| const CropRect* cropRect); |
| |
| SkSize fSigma; |
| typedef SkImageFilter INHERITED; |
| }; |
| |
| #endif |