| /* |
| * 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 SkBlurImageFilter* Create(SkScalar sigmaX, |
| SkScalar sigmaY, |
| SkImageFilter* input = NULL, |
| const CropRect* cropRect = NULL) { |
| return SkNEW_ARGS(SkBlurImageFilter, (sigmaX, sigmaY, input, cropRect)); |
| } |
| |
| virtual void computeFastBounds(const SkRect&, SkRect*) const SK_OVERRIDE; |
| |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurImageFilter) |
| |
| protected: |
| explicit SkBlurImageFilter(SkReadBuffer& buffer); |
| virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| |
| virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
| SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; |
| virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&, |
| SkIRect* dst) const SK_OVERRIDE; |
| |
| bool canFilterImageGPU() const SK_OVERRIDE { return true; } |
| virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx, |
| SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE; |
| |
| #ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS |
| public: |
| #endif |
| SkBlurImageFilter(SkScalar sigmaX, |
| SkScalar sigmaY, |
| SkImageFilter* input = NULL, |
| const CropRect* cropRect = NULL); |
| |
| private: |
| SkSize fSigma; |
| typedef SkImageFilter INHERITED; |
| }; |
| |
| #endif |