1d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet/* 2d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * Copyright (C) 2010 The Android Open Source Project 3d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * 4d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * Licensed under the Apache License, Version 2.0 (the "License"); 5d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * you may not use this file except in compliance with the License. 6d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * You may obtain a copy of the License at 7d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * 8d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * http://www.apache.org/licenses/LICENSE-2.0 9d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * 10d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * Unless required by applicable law or agreed to in writing, software 11d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * distributed under the License is distributed on an "AS IS" BASIS, 12d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * See the License for the specific language governing permissions and 14d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * limitations under the License. 15d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet */ 16d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 17d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohetpackage android.graphics; 18d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 19d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohetimport com.android.layoutlib.bridge.impl.DelegateManager; 209a4fe29c8d92014d2d9a848e9116b8cc9d0842f9Xavier Ducrohetimport com.android.tools.layoutlib.annotations.LayoutlibDelegate; 21d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 22d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohetimport java.awt.Composite; 23d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 24d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet/** 25d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * Delegate implementing the native methods of android.graphics.PixelXorXfermode 26d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * 27d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * Through the layoutlib_create tool, the original native methods of PixelXorXfermode have been 28d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * replaced by calls to methods of the same name in this delegate class. 29d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * 30d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * This class behaves like the original native implementation, but in Java, keeping previously 31d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * native data into its own objects and mapping them to int that are sent back and forth between 32d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * it and the original PixelXorXfermode class. 33d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * 34d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * Because this extends {@link Xfermode_Delegate}, there's no need to use a 35d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * {@link DelegateManager}, as all the PathEffect classes will be added to the manager owned by 36d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * {@link Xfermode_Delegate}. 37d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * 38d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet * @see Xfermode_Delegate 39d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet */ 40d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohetpublic class PixelXorXfermode_Delegate extends Xfermode_Delegate { 41d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet // ---- delegate data ---- 42d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 43d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet // ---- Public Helper methods ---- 44d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 45d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet @Override 4663fd87113cea6abec97a6cd966e090e9b590fc3bXavier Ducrohet public Composite getComposite(int alpha) { 47d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet // FIXME 48d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet return null; 49d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet } 50d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 51d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet @Override 52d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet public boolean isSupported() { 53d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet return false; 54d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet } 55d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 56d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet @Override 57d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet public String getSupportMessage() { 58d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet return "Pixel XOR Xfermodes are not supported in Layout Preview mode."; 59d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet } 60d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 61d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet // ---- native methods ---- 62d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 639a4fe29c8d92014d2d9a848e9116b8cc9d0842f9Xavier Ducrohet @LayoutlibDelegate 64d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet /*package*/ static int nativeCreate(int opColor) { 65d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet PixelXorXfermode_Delegate newDelegate = new PixelXorXfermode_Delegate(); 66cc4977d0fdaf657907912fd6cc2f9426dc8d2e36Xavier Ducrohet return sManager.addNewDelegate(newDelegate); 67d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet } 68d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet 69d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet // ---- Private delegate/helper methods ---- 70d348b6eaa98e23cb38d90906df109aaa2d20ea7fXavier Ducrohet} 71