1 /*
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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
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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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20  * or visit www.oracle.com if you need additional information or have any
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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 
paint(Graphics g)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 
getPreferredSize()73     public Dimension getPreferredSize() {
74         return new Dimension(400, 400);
75     }
76 
testRegion(BufferedImage bi, String name, int x1, int y1, int x2, int y2, int expected)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 
main(String[] args)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 }
147