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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 SkEmbossMaskFilter_DEFINED | 8 #ifndef SkEmbossMaskFilter_DEFINED |
9 #define SkEmbossMaskFilter_DEFINED | 9 #define SkEmbossMaskFilter_DEFINED |
10 | 10 |
11 #include "SkMaskFilter.h" | 11 #include "SkMaskFilter.h" |
12 | 12 |
13 /** \class SkEmbossMaskFilter | 13 /** \class SkEmbossMaskFilter |
14 | 14 |
15 This mask filter creates a 3D emboss look, by specifying a light and blur am
ount. | 15 This mask filter creates a 3D emboss look, by specifying a light and blur am
ount. |
16 */ | 16 */ |
17 class SK_API SkEmbossMaskFilter : public SkMaskFilter { | 17 class SK_API SkEmbossMaskFilter : public SkMaskFilter { |
18 public: | 18 public: |
19 struct Light { | 19 struct Light { |
20 SkScalar fDirection[3]; // x,y,z | 20 SkScalar fDirection[3]; // x,y,z |
21 uint16_t fPad; | 21 uint16_t fPad; |
22 uint8_t fAmbient; | 22 uint8_t fAmbient; |
23 uint8_t fSpecular; // exponent, 4.4 right now | 23 uint8_t fSpecular; // exponent, 4.4 right now |
24 }; | 24 }; |
25 | 25 |
26 static SkEmbossMaskFilter* Create(SkScalar blurSigma, const Light& light); | 26 static SkEmbossMaskFilter* Create(SkScalar blurSigma, const Light& light); |
27 | 27 |
28 // overrides from SkMaskFilter | 28 // overrides from SkMaskFilter |
29 // This method is not exported to java. | 29 // This method is not exported to java. |
30 virtual SkMask::Format getFormat() const SK_OVERRIDE; | 30 SkMask::Format getFormat() const SK_OVERRIDE; |
31 // This method is not exported to java. | 31 // This method is not exported to java. |
32 virtual bool filterMask(SkMask* dst, const SkMask& src, const SkMatrix&, | 32 virtual bool filterMask(SkMask* dst, const SkMask& src, const SkMatrix&, |
33 SkIPoint* margin) const SK_OVERRIDE; | 33 SkIPoint* margin) const SK_OVERRIDE; |
34 | 34 |
35 SK_TO_STRING_OVERRIDE() | 35 SK_TO_STRING_OVERRIDE() |
36 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkEmbossMaskFilter) | 36 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkEmbossMaskFilter) |
37 | 37 |
38 protected: | 38 protected: |
39 SkEmbossMaskFilter(SkScalar blurSigma, const Light& light); | 39 SkEmbossMaskFilter(SkScalar blurSigma, const Light& light); |
40 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 40 void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
41 | 41 |
42 private: | 42 private: |
43 Light fLight; | 43 Light fLight; |
44 SkScalar fBlurSigma; | 44 SkScalar fBlurSigma; |
45 | 45 |
46 typedef SkMaskFilter INHERITED; | 46 typedef SkMaskFilter INHERITED; |
47 }; | 47 }; |
48 | 48 |
49 #endif | 49 #endif |
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