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1 /* | 1 /* |
2 * Copyright 2011 The Android Open Source Project | 2 * Copyright 2011 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkBlurImageFilter_DEFINED | 8 #ifndef SkBlurImageFilter_DEFINED |
9 #define SkBlurImageFilter_DEFINED | 9 #define SkBlurImageFilter_DEFINED |
10 | 10 |
11 #include "SkImageFilter.h" | 11 #include "SkImageFilter.h" |
12 #include "SkSize.h" | 12 #include "SkSize.h" |
13 | 13 |
14 class SK_API SkBlurImageFilter : public SkImageFilter { | 14 class SK_API SkBlurImageFilter : public SkImageFilter { |
15 public: | 15 public: |
16 static SkImageFilter* Create(SkScalar sigmaX, SkScalar sigmaY, SkImageFilter
* input = NULL, | 16 static SkBlurImageFilter* Create(SkScalar sigmaX, |
17 const CropRect* cropRect = NULL) { | 17 SkScalar sigmaY, |
| 18 SkImageFilter* input = NULL, |
| 19 const CropRect* cropRect = NULL) { |
18 return new SkBlurImageFilter(sigmaX, sigmaY, input, cropRect); | 20 return new SkBlurImageFilter(sigmaX, sigmaY, input, cropRect); |
19 } | 21 } |
20 | 22 |
21 void computeFastBounds(const SkRect&, SkRect*) const override; | 23 void computeFastBounds(const SkRect&, SkRect*) const override; |
22 | 24 |
23 SK_TO_STRING_OVERRIDE() | 25 SK_TO_STRING_OVERRIDE() |
24 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurImageFilter) | 26 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurImageFilter) |
25 | 27 |
26 protected: | 28 protected: |
27 void flatten(SkWriteBuffer&) const override; | |
28 bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, SkBitmap* re
sult, | |
29 SkIPoint* offset) const override; | |
30 bool onFilterBounds(const SkIRect& src, const SkMatrix&, SkIRect* dst) const
override; | |
31 bool canFilterImageGPU() const override { return true; } | |
32 bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx, S
kBitmap* result, | |
33 SkIPoint* offset) const override; | |
34 | |
35 private: | |
36 SkBlurImageFilter(SkScalar sigmaX, | 29 SkBlurImageFilter(SkScalar sigmaX, |
37 SkScalar sigmaY, | 30 SkScalar sigmaY, |
38 SkImageFilter* input, | 31 SkImageFilter* input, |
39 const CropRect* cropRect); | 32 const CropRect* cropRect); |
| 33 void flatten(SkWriteBuffer&) const override; |
40 | 34 |
| 35 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
| 36 SkBitmap* result, SkIPoint* offset) const overrid
e; |
| 37 virtual bool onFilterBounds(const SkIRect& src, const SkMatrix&, |
| 38 SkIRect* dst) const override; |
| 39 |
| 40 bool canFilterImageGPU() const override { return true; } |
| 41 virtual bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context
& ctx, |
| 42 SkBitmap* result, SkIPoint* offset) const overri
de; |
| 43 |
| 44 private: |
41 SkSize fSigma; | 45 SkSize fSigma; |
42 typedef SkImageFilter INHERITED; | 46 typedef SkImageFilter INHERITED; |
43 }; | 47 }; |
44 | 48 |
45 #endif | 49 #endif |
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