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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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29 class SK_API SkXfermode : public SkFlattenable { | 29 class SK_API SkXfermode : public SkFlattenable { |
30 public: | 30 public: |
31 SK_DECLARE_INST_COUNT(SkXfermode) | 31 SK_DECLARE_INST_COUNT(SkXfermode) |
32 | 32 |
33 SkXfermode() {} | 33 SkXfermode() {} |
34 | 34 |
35 virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count, | 35 virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count, |
36 const SkAlpha aa[]) const; | 36 const SkAlpha aa[]) const; |
37 virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count, | 37 virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count, |
38 const SkAlpha aa[]) const; | 38 const SkAlpha aa[]) const; |
39 virtual void xfer4444(uint16_t dst[], const SkPMColor src[], int count, | |
40 const SkAlpha aa[]) const; | |
41 virtual void xferA8(SkAlpha dst[], const SkPMColor src[], int count, | 39 virtual void xferA8(SkAlpha dst[], const SkPMColor src[], int count, |
42 const SkAlpha aa[]) const; | 40 const SkAlpha aa[]) const; |
43 | 41 |
44 /** Enum of possible coefficients to describe some xfermodes | 42 /** Enum of possible coefficients to describe some xfermodes |
45 */ | 43 */ |
46 enum Coeff { | 44 enum Coeff { |
47 kZero_Coeff, /** 0 */ | 45 kZero_Coeff, /** 0 */ |
48 kOne_Coeff, /** 1 */ | 46 kOne_Coeff, /** 1 */ |
49 kSC_Coeff, /** src color */ | 47 kSC_Coeff, /** src color */ |
50 kISC_Coeff, /** inverse src color (i.e. 1 - sc) */ | 48 kISC_Coeff, /** inverse src color (i.e. 1 - sc) */ |
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251 */ | 249 */ |
252 class SkProcXfermode : public SkXfermode { | 250 class SkProcXfermode : public SkXfermode { |
253 public: | 251 public: |
254 SkProcXfermode(SkXfermodeProc proc) : fProc(proc) {} | 252 SkProcXfermode(SkXfermodeProc proc) : fProc(proc) {} |
255 | 253 |
256 // overrides from SkXfermode | 254 // overrides from SkXfermode |
257 virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count, | 255 virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count, |
258 const SkAlpha aa[]) const SK_OVERRIDE; | 256 const SkAlpha aa[]) const SK_OVERRIDE; |
259 virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count, | 257 virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count, |
260 const SkAlpha aa[]) const SK_OVERRIDE; | 258 const SkAlpha aa[]) const SK_OVERRIDE; |
261 virtual void xfer4444(uint16_t dst[], const SkPMColor src[], int count, | |
262 const SkAlpha aa[]) const SK_OVERRIDE; | |
263 virtual void xferA8(SkAlpha dst[], const SkPMColor src[], int count, | 259 virtual void xferA8(SkAlpha dst[], const SkPMColor src[], int count, |
264 const SkAlpha aa[]) const SK_OVERRIDE; | 260 const SkAlpha aa[]) const SK_OVERRIDE; |
265 | 261 |
266 SK_DEVELOPER_TO_STRING() | 262 SK_DEVELOPER_TO_STRING() |
267 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkProcXfermode) | 263 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkProcXfermode) |
268 | 264 |
269 protected: | 265 protected: |
270 SkProcXfermode(SkFlattenableReadBuffer&); | 266 SkProcXfermode(SkFlattenableReadBuffer&); |
271 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; | 267 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; |
272 | 268 |
273 // allow subclasses to update this after we unflatten | 269 // allow subclasses to update this after we unflatten |
274 void setProc(SkXfermodeProc proc) { | 270 void setProc(SkXfermodeProc proc) { |
275 fProc = proc; | 271 fProc = proc; |
276 } | 272 } |
277 | 273 |
278 private: | 274 private: |
279 SkXfermodeProc fProc; | 275 SkXfermodeProc fProc; |
280 | 276 |
281 typedef SkXfermode INHERITED; | 277 typedef SkXfermode INHERITED; |
282 }; | 278 }; |
283 | 279 |
284 #endif | 280 #endif |
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