00001 /* 00002 * Copyright (C) 2007 The Android Open Source Project 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef SkPixelXorXfermode_DEFINED 00018 #define SkPixelXorXfermode_DEFINED 00019 00020 #include "SkXfermode.h" 00021 00027 class SkPixelXorXfermode : public SkXfermode { 00028 public: 00029 SkPixelXorXfermode(SkColor opColor) : fOpColor(opColor) {} 00030 00031 // override from SkFlattenable 00032 virtual Factory getFactory(); 00033 virtual void flatten(SkFlattenableWriteBuffer&); 00034 00035 protected: 00036 // override from SkXfermode 00037 virtual SkPMColor xferColor(SkPMColor src, SkPMColor dst); 00038 00039 private: 00040 SkColor fOpColor; 00041 00042 SkPixelXorXfermode(SkFlattenableReadBuffer& rb); 00043 // our private factory 00044 static SkFlattenable* Create(SkFlattenableReadBuffer&); 00045 00046 typedef SkXfermode INHERITED; 00047 }; 00048 00049 #endif 00050