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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkComposeShader_DEFINED | 10 #ifndef SkComposeShader_DEFINED |
11 #define SkComposeShader_DEFINED | 11 #define SkComposeShader_DEFINED |
12 | 12 |
13 #include "SkShader.h" | 13 #include "SkShader.h" |
14 | 14 |
15 class SkXfermode; | 15 class SkXfermode; |
16 | 16 |
17 ////////////////////////////////////////////////////////////////////////////////
/////////// | 17 ////////////////////////////////////////////////////////////////////////////////
/////////// |
18 | 18 |
19 /** \class SkComposeShader | 19 /** \class SkComposeShader |
20 This subclass of shader returns the coposition of two other shaders, combine
d by | 20 This subclass of shader returns the coposition of two other shaders, combine
d by |
21 a xfermode. | 21 a xfermode. |
22 */ | 22 */ |
23 class SK_API SkComposeShader : public SkShader { | 23 class SK_API SkComposeShader : public SkShader { |
| 24 typedef SkShader INHERITED; |
| 25 |
24 public: | 26 public: |
25 /** Create a new compose shader, given shaders A, B, and a combining xfermod
e mode. | 27 /** Create a new compose shader, given shaders A, B, and a combining xfermod
e mode. |
26 When the xfermode is called, it will be given the result from shader A a
s its | 28 When the xfermode is called, it will be given the result from shader A a
s its |
27 "dst", and the result of from shader B as its "src". | 29 "dst", and the result of from shader B as its "src". |
28 mode->xfer32(sA_result, sB_result, ...) | 30 mode->xfer32(sA_result, sB_result, ...) |
29 @param shaderA The colors from this shader are seen as the "dst" by the
xfermode | 31 @param shaderA The colors from this shader are seen as the "dst" by the
xfermode |
30 @param shaderB The colors from this shader are seen as the "src" by the
xfermode | 32 @param shaderB The colors from this shader are seen as the "src" by the
xfermode |
31 @param mode The xfermode that combines the colors from the two shade
rs. If mode | 33 @param mode The xfermode that combines the colors from the two shade
rs. If mode |
32 is null, then SRC_OVER is assumed. | 34 is null, then SRC_OVER is assumed. |
33 */ | 35 */ |
(...skipping 10 matching lines...) Expand all Loading... |
44 | 46 |
45 protected: | 47 protected: |
46 SkComposeShader(SkFlattenableReadBuffer& ); | 48 SkComposeShader(SkFlattenableReadBuffer& ); |
47 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; | 49 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; |
48 | 50 |
49 private: | 51 private: |
50 | 52 |
51 SkShader* fShaderA; | 53 SkShader* fShaderA; |
52 SkShader* fShaderB; | 54 SkShader* fShaderB; |
53 SkXfermode* fMode; | 55 SkXfermode* fMode; |
54 | |
55 typedef SkShader INHERITED; | |
56 }; | 56 }; |
57 | 57 |
58 #endif | 58 #endif |
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