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 * @key headful
27 * @bug 6430601
28 * @summary Verifies that copyArea() works properly when the
29 * destination parameters are outside the destination bounds.
30 * @run main/othervm CopyAreaOOB
31 * @run main/othervm -Dsun.java2d.opengl=True CopyAreaOOB
32 * @author campbelc
33 */
34
35 import java.awt.*;
36 import java.awt.image.*;
37
38 public class CopyAreaOOB extends Canvas {
39
40 private static boolean done;
41
42 public void paint(Graphics g) {
43 synchronized (this) {
44 if (done) {
45 return;
46 }
47 }
48
49 int w = getWidth();
50 int h = getHeight();
51
52 Graphics2D g2d = (Graphics2D)g;
53 g2d.setColor(Color.black);
54 g2d.fillRect(0, 0, w, h);
55
56 g2d.setColor(Color.green);
57 g2d.fillRect(0, 0, w, 10);
58
59 g2d.setColor(Color.red);
60 g2d.fillRect(0, 10, 50, h-10);
61
62 // copy the region such that part of it goes below the bottom of the
63 // destination surface
64 g2d.copyArea(0, 10, 50, h-10, 60, 10);
65
66 Toolkit.getDefaultToolkit().sync();
67
68 synchronized (this) {
69 done = true;
70 notifyAll();
71 }
72 }
73
74 public Dimension getPreferredSize() {
75 return new Dimension(400, 400);
76 }
77
78 private static void testRegion(BufferedImage bi, String name,
79 int x1, int y1, int x2, int y2,
80 int expected)
81 {
82 for (int y = y1; y < y2; y++) {
83 for (int x = x1; x < x2; x++) {
84 int actual = bi.getRGB(x, y);
85 if (actual != expected) {
86 throw new RuntimeException("Test failed for " + name +
87 " region at x="+x+" y="+y+
88 " (expected="+
89 Integer.toHexString(expected) +
90 " actual="+
91 Integer.toHexString(actual) +
92 ")");
93 }
94 }
95 }
96 }
97
98 public static void main(String[] args) {
99 boolean show = (args.length == 1) && ("-show".equals(args[0]));
100
101 CopyAreaOOB test = new CopyAreaOOB();
102 Frame frame = new Frame();
103 frame.setUndecorated(true);
104 frame.add(test);
105 frame.pack();
106 frame.setLocationRelativeTo(null);
107 frame.setVisible(true);
108
109 // Wait until the component's been painted
110 synchronized (test) {
111 while (!done) {
112 try {
113 test.wait();
114 } catch (InterruptedException e) {
115 throw new RuntimeException("Failed: Interrupted");
116 }
117 }
118 }
119
120 try {
121 Thread.sleep(2000);
122 } catch (InterruptedException ex) {}
123
124 // Grab the screen region
125 BufferedImage capture = null;
126 try {
127 Robot robot = new Robot();
128 Point pt1 = test.getLocationOnScreen();
129 Rectangle rect = new Rectangle(pt1.x, pt1.y, 400, 400);
130 capture = robot.createScreenCapture(rect);
131 } catch (Exception e) {
132 throw new RuntimeException("Problems creating Robot");
133 } finally {
134 if (!show) {
135 frame.dispose();
136 }
137 }
138
139 // Test pixels
140 testRegion(capture, "green", 0, 0, 400, 10, 0xff00ff00);
141 testRegion(capture, "original red", 0, 10, 50, 400, 0xffff0000);
142 testRegion(capture, "background", 50, 10, 60, 400, 0xff000000);
143 testRegion(capture, "in-between", 60, 10, 110, 20, 0xff000000);
144 testRegion(capture, "copied red", 60, 20, 110, 400, 0xffff0000);
145 testRegion(capture, "background", 110, 10, 400, 400, 0xff000000);
146 }
147 }