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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
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 #include "SkPixelXorXfermode.h" | 8 #include "SkPixelXorXfermode.h" |
9 #include "SkColorPriv.h" | 9 #include "SkColorPriv.h" |
10 #include "SkReadBuffer.h" | 10 #include "SkReadBuffer.h" |
11 #include "SkWriteBuffer.h" | 11 #include "SkWriteBuffer.h" |
12 #include "SkString.h" | 12 #include "SkString.h" |
13 | 13 |
14 // we always return an opaque color, 'cause I don't know what to do with | 14 // we always return an opaque color, 'cause I don't know what to do with |
15 // the alpha-component and still return a valid premultiplied color. | 15 // the alpha-component and still return a valid premultiplied color. |
16 SkPMColor SkPixelXorXfermode::xferColor(SkPMColor src, SkPMColor dst) const { | 16 SkPMColor SkPixelXorXfermode::xferColor(SkPMColor src, SkPMColor dst) const { |
17 SkPMColor res = src ^ dst ^ fOpColor; | 17 SkPMColor res = src ^ dst ^ fOpColor; |
18 | 18 |
19 res |= (SK_A32_MASK << SK_A32_SHIFT); // force it to be opaque | 19 res |= (SK_A32_MASK << SK_A32_SHIFT); // force it to be opaque |
20 return res; | 20 return res; |
21 } | 21 } |
22 | 22 |
23 void SkPixelXorXfermode::flatten(SkWriteBuffer& wb) const { | 23 void SkPixelXorXfermode::flatten(SkWriteBuffer& wb) const { |
24 wb.writeColor(SkColorSetRGB(SkGetPackedR32(fOpColor), | 24 wb.writeColor(SkColorSetRGB(SkGetPackedR32(fOpColor), |
25 SkGetPackedG32(fOpColor), | 25 SkGetPackedG32(fOpColor), |
26 SkGetPackedB32(fOpColor))); | 26 SkGetPackedB32(fOpColor))); |
27 } | 27 } |
28 | 28 |
29 SkFlattenable* SkPixelXorXfermode::CreateProc(SkReadBuffer& buffer) { | 29 SkFlattenable* SkPixelXorXfermode::CreateProc(SkReadBuffer& buffer) { |
30 return Create(buffer.readColor()); | 30 return Make(buffer.readColor()).release(); |
31 } | 31 } |
32 | 32 |
33 #ifndef SK_IGNORE_TO_STRING | 33 #ifndef SK_IGNORE_TO_STRING |
34 void SkPixelXorXfermode::toString(SkString* str) const { | 34 void SkPixelXorXfermode::toString(SkString* str) const { |
35 str->append("SkPixelXorXfermode: "); | 35 str->append("SkPixelXorXfermode: "); |
36 str->appendHex(fOpColor); | 36 str->appendHex(fOpColor); |
37 } | 37 } |
38 #endif | 38 #endif |
39 | 39 |
40 #if SK_SUPPORT_GPU | 40 #if SK_SUPPORT_GPU |
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371 const GrFragmentProcessor* SkPixelXorXfermode::getFragmentProcessorForImageFilte
r( | 371 const GrFragmentProcessor* SkPixelXorXfermode::getFragmentProcessorForImageFilte
r( |
372 const GrFragmentProcesso
r* dst) const { | 372 const GrFragmentProcesso
r* dst) const { |
373 return PixelXorFP::Create(fOpColor, dst); | 373 return PixelXorFP::Create(fOpColor, dst); |
374 } | 374 } |
375 | 375 |
376 GrXPFactory* SkPixelXorXfermode::asXPFactory() const { | 376 GrXPFactory* SkPixelXorXfermode::asXPFactory() const { |
377 return GrPixelXorXPFactory::Create(fOpColor); | 377 return GrPixelXorXPFactory::Create(fOpColor); |
378 } | 378 } |
379 | 379 |
380 #endif | 380 #endif |
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