reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 2 | * Copyright 2007 The Android Open Source Project |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 3 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #ifndef SkPixelXorXfermode_DEFINED |
| 9 | #define SkPixelXorXfermode_DEFINED |
| 10 | |
| 11 | #include "SkXfermode.h" |
| 12 | |
| 13 | /** SkPixelXorXfermode implements a simple pixel xor (op ^ src ^ dst). |
| 14 | This transformation does not follow premultiplied conventions, therefore |
| 15 | this proc *always* returns an opaque color (alpha == 255). Thus it is |
| 16 | not really usefull for operating on blended colors. |
| 17 | */ |
tfarina@chromium.org | 6806fe8 | 2012-10-12 14:41:39 +0000 | [diff] [blame^] | 18 | class SK_API SkPixelXorXfermode : public SkXfermode { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 19 | public: |
| 20 | SkPixelXorXfermode(SkColor opColor) : fOpColor(opColor) {} |
| 21 | |
djsollen@google.com | ba28d03 | 2012-03-26 17:57:35 +0000 | [diff] [blame] | 22 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPixelXorXfermode) |
tomhudson@google.com | 1447c6f | 2011-04-27 14:09:52 +0000 | [diff] [blame] | 23 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 24 | protected: |
djsollen@google.com | 5492424 | 2012-03-29 15:18:04 +0000 | [diff] [blame] | 25 | SkPixelXorXfermode(SkFlattenableReadBuffer& rb); |
| 26 | virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; |
| 27 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 28 | // override from SkXfermode |
| 29 | virtual SkPMColor xferColor(SkPMColor src, SkPMColor dst); |
| 30 | |
| 31 | private: |
| 32 | SkColor fOpColor; |
| 33 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 34 | typedef SkXfermode INHERITED; |
| 35 | }; |
| 36 | |
| 37 | #endif |