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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 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 SkBlurMaskFilter_DEFINED | 8 #ifndef SkBlurMaskFilter_DEFINED |
9 #define SkBlurMaskFilter_DEFINED | 9 #define SkBlurMaskFilter_DEFINED |
10 | 10 |
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26 enum BlurFlags { | 26 enum BlurFlags { |
27 kNone_BlurFlag = 0x00, | 27 kNone_BlurFlag = 0x00, |
28 /** The blur layer's radius is not affected by transforms */ | 28 /** The blur layer's radius is not affected by transforms */ |
29 kIgnoreTransform_BlurFlag = 0x01, | 29 kIgnoreTransform_BlurFlag = 0x01, |
30 /** Use a smother, higher qulity blur algorithm */ | 30 /** Use a smother, higher qulity blur algorithm */ |
31 kHighQuality_BlurFlag = 0x02, | 31 kHighQuality_BlurFlag = 0x02, |
32 /** mask for all blur flags */ | 32 /** mask for all blur flags */ |
33 kAll_BlurFlag = 0x03 | 33 kAll_BlurFlag = 0x03 |
34 }; | 34 }; |
35 | 35 |
| 36 /** |
| 37 * DEPRECATED - radius-based |
| 38 */ |
| 39 static SkMaskFilter* Create(SkScalar radius, BlurStyle style, |
| 40 uint32_t flags = kNone_BlurFlag); |
| 41 |
36 /** Create a blur maskfilter. | 42 /** Create a blur maskfilter. |
37 @param radius The radius to extend the blur from the original mask. Mu
st be > 0. | 43 @param sigma Standard deviation of the Gaussian blur to apply. Must b
e > 0. |
38 @param style The BlurStyle to use | 44 @param style The BlurStyle to use |
39 @param flags Flags to use - defaults to none | 45 @param flags Flags to use - defaults to none |
40 @return The new blur maskfilter | 46 @return The new blur maskfilter |
41 */ | 47 */ |
42 static SkMaskFilter* Create(SkScalar radius, BlurStyle style, | 48 static SkMaskFilter* Create(SkScalar sigma, BlurStyle style, |
43 uint32_t flags = kNone_BlurFlag); | 49 uint32_t flags, // = kNone_BlurFlag, |
| 50 bool unused); |
44 | 51 |
45 /** Create an emboss maskfilter | 52 /** Create an emboss maskfilter |
46 @param direction array of 3 scalars [x, y, z] specifying the directio
n of the light source | 53 @param direction array of 3 scalars [x, y, z] specifying the directio
n of the light source |
47 @param ambient 0...1 amount of ambient light | 54 @param ambient 0...1 amount of ambient light |
48 @param specular coefficient for specular highlights (e.g. 8) | 55 @param specular coefficient for specular highlights (e.g. 8) |
49 @param blurRadius amount to blur before applying lighting (e.g. 3) | 56 @param blurSigma standard deviation of the Gaussian blur to apply |
| 57 before applying lighting (e.g. 3) |
50 @return the emboss maskfilter | 58 @return the emboss maskfilter |
51 */ | 59 */ |
52 static SkMaskFilter* CreateEmboss( const SkScalar direction[3], | 60 static SkMaskFilter* CreateEmboss(const SkScalar direction[3], |
53 SkScalar ambient, SkScalar specular, | 61 SkScalar ambient, SkScalar specular, |
54 SkScalar blurRadius); | 62 SkScalar blurSigma, |
| 63 bool unused); |
| 64 |
| 65 // DEPRECATED - radius-based |
| 66 static SkMaskFilter* CreateEmboss(const SkScalar direction[3], |
| 67 SkScalar ambient, SkScalar specular, |
| 68 SkScalar blurRadius); |
55 | 69 |
56 SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP() | 70 SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP() |
| 71 |
57 private: | 72 private: |
58 SkBlurMaskFilter(); // can't be instantiated | 73 SkBlurMaskFilter(); // can't be instantiated |
59 }; | 74 }; |
60 | 75 |
61 #endif | 76 #endif |
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