1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6430601 27 * @summary Verifies that copyArea() works properly when the 28 * destination parameters are outside the destination bounds. 29 * @run main/othervm CopyAreaOOB 30 * @run main/othervm -Dsun.java2d.opengl=True CopyAreaOOB 31 * @author campbelc 32 */ 33 34 import java.awt.*; 35 import java.awt.image.*; 36 37 public class CopyAreaOOB extends Canvas { 38 39 private static boolean done; 40 41 public void paint(Graphics g) { 42 synchronized (this) { 43 if (done) { 44 return; 45 } 46 } 47 48 int w = getWidth(); 49 int h = getHeight(); 50 51 Graphics2D g2d = (Graphics2D)g; 52 g2d.setColor(Color.black); 53 g2d.fillRect(0, 0, w, h); 54 55 g2d.setColor(Color.green); 56 g2d.fillRect(0, 0, w, 10); 57 58 g2d.setColor(Color.red); 59 g2d.fillRect(0, 10, 50, h-10); 60 61 // copy the region such that part of it goes below the bottom of the 62 // destination surface 63 g2d.copyArea(0, 10, 50, h-10, 60, 10); 64 65 Toolkit.getDefaultToolkit().sync(); 66 67 synchronized (this) { 68 done = true; 69 notifyAll(); 70 } 71 } 72 73 public Dimension getPreferredSize() { 74 return new Dimension(400, 400); 75 } 76 77 private static void testRegion(BufferedImage bi, String name, 78 int x1, int y1, int x2, int y2, 79 int expected) 80 { 81 for (int y = y1; y < y2; y++) { 82 for (int x = x1; x < x2; x++) { 83 int actual = bi.getRGB(x, y); 84 if (actual != expected) { 85 throw new RuntimeException("Test failed for " + name + 86 " region at x="+x+" y="+y+ 87 " (expected="+ 88 Integer.toHexString(expected) + 89 " actual="+ 90 Integer.toHexString(actual) + 91 ")"); 92 } 93 } 94 } 95 } 96 97 public static void main(String[] args) { 98 boolean show = (args.length == 1) && ("-show".equals(args[0])); 99 100 CopyAreaOOB test = new CopyAreaOOB(); 101 Frame frame = new Frame(); 102 frame.setUndecorated(true); 103 frame.add(test); 104 frame.pack(); 105 frame.setLocationRelativeTo(null); 106 frame.setVisible(true); 107 108 // Wait until the component's been painted 109 synchronized (test) { 110 while (!done) { 111 try { 112 test.wait(); 113 } catch (InterruptedException e) { 114 throw new RuntimeException("Failed: Interrupted"); 115 } 116 } 117 } 118 119 try { 120 Thread.sleep(2000); 121 } catch (InterruptedException ex) {} 122 123 // Grab the screen region 124 BufferedImage capture = null; 125 try { 126 Robot robot = new Robot(); 127 Point pt1 = test.getLocationOnScreen(); 128 Rectangle rect = new Rectangle(pt1.x, pt1.y, 400, 400); 129 capture = robot.createScreenCapture(rect); 130 } catch (Exception e) { 131 throw new RuntimeException("Problems creating Robot"); 132 } finally { 133 if (!show) { 134 frame.dispose(); 135 } 136 } 137 138 // Test pixels 139 testRegion(capture, "green", 0, 0, 400, 10, 0xff00ff00); 140 testRegion(capture, "original red", 0, 10, 50, 400, 0xffff0000); 141 testRegion(capture, "background", 50, 10, 60, 400, 0xff000000); 142 testRegion(capture, "in-between", 60, 10, 110, 20, 0xff000000); 143 testRegion(capture, "copied red", 60, 20, 110, 400, 0xffff0000); 144 testRegion(capture, "background", 110, 10, 400, 400, 0xff000000); 145 } 146 }