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Side by Side Diff: include/effects/SkBlurMaskFilter.h

Issue 21835004: Blur refactoring (Closed) Base URL: http://skia.googlecode.com/svn/trunk/
Patch Set: hide constant Created 7 years, 4 months ago
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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
(...skipping 15 matching lines...) Expand all
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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