1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.graphics; 18 19 import com.android.layoutlib.bridge.impl.DelegateManager; 20 import com.android.tools.layoutlib.annotations.LayoutlibDelegate; 21 22 /** 23 * Delegate implementing the native methods of android.graphics.LayerRasterizer 24 * 25 * Through the layoutlib_create tool, the original native methods of LayerRasterizer have 26 * been replaced by calls to methods of the same name in this delegate class. 27 * 28 * This class behaves like the original native implementation, but in Java, keeping previously 29 * native data into its own objects and mapping them to int that are sent back and forth between 30 * it and the original LayerRasterizer class. 31 * 32 * Because this extends {@link Rasterizer_Delegate}, there's no need to use a 33 * {@link DelegateManager}, as all the Shader classes will be added to the manager 34 * owned by {@link Rasterizer_Delegate}. 35 * 36 * @see Rasterizer_Delegate 37 * 38 */ 39 public class LayerRasterizer_Delegate extends Rasterizer_Delegate { 40 41 // ---- delegate data ---- 42 43 // ---- Public Helper methods ---- 44 45 @Override 46 public boolean isSupported() { 47 return false; 48 } 49 50 @Override 51 public String getSupportMessage() { 52 return "Layer Rasterizers are not supported."; 53 } 54 55 // ---- native methods ---- 56 57 @LayoutlibDelegate 58 /*package*/ static int nativeConstructor() { 59 LayerRasterizer_Delegate newDelegate = new LayerRasterizer_Delegate(); 60 return sManager.addNewDelegate(newDelegate); 61 } 62 63 @LayoutlibDelegate 64 /*package*/ static void nativeAddLayer(int native_layer, int native_paint, float dx, float dy) { 65 66 } 67 68 // ---- Private delegate/helper methods ---- 69 } 70
