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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 SkXfermode_DEFINED | 10 #ifndef SkXfermode_DEFINED |
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139 | 139 |
140 /** Return an SkXfermode object for the specified mode. | 140 /** Return an SkXfermode object for the specified mode. |
141 */ | 141 */ |
142 static SkXfermode* Create(Mode mode); | 142 static SkXfermode* Create(Mode mode); |
143 | 143 |
144 /** Return a function pointer to a routine that applies the specified | 144 /** Return a function pointer to a routine that applies the specified |
145 porter-duff transfer mode. | 145 porter-duff transfer mode. |
146 */ | 146 */ |
147 static SkXfermodeProc GetProc(Mode mode); | 147 static SkXfermodeProc GetProc(Mode mode); |
148 | 148 |
149 /** Return a function pointer to a routine that applies the specified | |
150 porter-duff transfer mode and srcColor to a 16bit device color. Note, | |
151 if the mode+srcColor might return a non-opaque color, then there is not | |
152 16bit proc, and this will return NULL. | |
153 */ | |
154 static SkXfermodeProc16 GetProc16(Mode mode, SkColor srcColor); | |
155 | |
156 /** | 149 /** |
157 * If the specified mode can be represented by a pair of Coeff, then return | 150 * If the specified mode can be represented by a pair of Coeff, then return |
158 * true and set (if not NULL) the corresponding coeffs. If the mode is | 151 * true and set (if not NULL) the corresponding coeffs. If the mode is |
159 * not representable as a pair of Coeffs, return false and ignore the | 152 * not representable as a pair of Coeffs, return false and ignore the |
160 * src and dst parameters. | 153 * src and dst parameters. |
161 */ | 154 */ |
162 static bool ModeAsCoeff(Mode mode, Coeff* src, Coeff* dst); | 155 static bool ModeAsCoeff(Mode mode, Coeff* src, Coeff* dst); |
163 | 156 |
164 SK_ATTR_DEPRECATED("use AsMode(...)") | 157 SK_ATTR_DEPRECATED("use AsMode(...)") |
165 static bool IsMode(const SkXfermode* xfer, Mode* mode) { | 158 static bool IsMode(const SkXfermode* xfer, Mode* mode) { |
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243 | 236 |
244 private: | 237 private: |
245 enum { | 238 enum { |
246 kModeCount = kLastMode + 1 | 239 kModeCount = kLastMode + 1 |
247 }; | 240 }; |
248 | 241 |
249 typedef SkFlattenable INHERITED; | 242 typedef SkFlattenable INHERITED; |
250 }; | 243 }; |
251 | 244 |
252 #endif | 245 #endif |
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