1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17/** 18 * @author Pavel Dolgov, Anton Avtamonov 19 * @version $Revision$ 20 */ 21package org.apache.harmony.awt; 22 23import java.awt.Component; 24import java.awt.Rectangle; 25 26import org.apache.harmony.awt.gl.MultiRectArea; 27import org.apache.harmony.awt.internal.nls.Messages; 28 29public class ClipRegion extends Rectangle { 30 private final MultiRectArea clip; 31 32 public ClipRegion(final MultiRectArea clip) { 33 this.clip = new MultiRectArea(clip); 34 setBounds(clip.getBounds()); 35 } 36 37 public MultiRectArea getClip() { 38 return clip; 39 } 40 41 @Override 42 public String toString() { 43 String str = clip.toString(); 44 int i = str.indexOf('['); 45 str = str.substring(i); 46 if (clip.getRectCount() == 1) { 47 str = str.substring(1, str.length() - 1); 48 } 49 return getClass().getName() + str; 50 } 51 52 53 public void convertRegion(final Component child, final Component parent) { 54 convertRegion(child, clip, parent); 55 } 56 57 public void intersect(final Rectangle rect) { 58 clip.intersect(rect); 59 } 60 61 @Override 62 public boolean isEmpty() { 63 return clip.isEmpty(); 64 } 65 66 public static void convertRegion(final Component child, 67 final MultiRectArea region, 68 final Component parent) { 69 int x = 0, y = 0; 70 Component c = child; 71 //???AWT 72 /* 73 for (; c != null && c != parent; c = c.getParent()) { 74 x += c.getX(); 75 y += c.getY(); 76 } 77 */ 78 if (c == null) { 79 // awt.51=Component expected to be a parent 80 throw new IllegalArgumentException(Messages.getString("awt.51")); //$NON-NLS-1$ 81 } 82 region.translate(x, y); 83 } 84} 85