1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/*
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.Canvas;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.util.concurrent.CountDownLatch;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
/*
* @test
* @key headful
* @bug 6176679
* @summary Tests that an application doesn't freeze when copying an animated
* gif image to the system clipboard. We run the test two times. First with
* image displayed on screen and second with it not displayed.
* @run main CopyAnimatedGIFTest
*/
public class CopyAnimatedGIFTest {
private static final long TIMEOUT = 10000;
private final CountDownLatch latch = new CountDownLatch(1);
private final Image img = Toolkit.getDefaultToolkit().createImage(imageData);
private static final byte[] imageData = {
(byte) 0x47, (byte) 0x49, (byte) 0x46, (byte) 0x38, (byte) 0x39,
(byte) 0x61, (byte) 0x04, (byte) 0x00, (byte) 0x04, (byte) 0x00,
(byte) 0xa1, (byte) 0x03, (byte) 0x00, (byte) 0xff, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0xff, (byte) 0x00, (byte) 0xff,
(byte) 0xff, (byte) 0x00, (byte) 0xff, (byte) 0xff, (byte) 0xff,
(byte) 0x21, (byte) 0xff, (byte) 0x0b, (byte) 0x4e, (byte) 0x45,
(byte) 0x54, (byte) 0x53, (byte) 0x43, (byte) 0x41, (byte) 0x50,
(byte) 0x45, (byte) 0x32, (byte) 0x2e, (byte) 0x30, (byte) 0x03,
(byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x21,
(byte) 0xf9, (byte) 0x04, (byte) 0x00, (byte) 0x0a, (byte) 0x00,
(byte) 0xff, (byte) 0x00, (byte) 0x2c, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0x04,
(byte) 0x00, (byte) 0x00, (byte) 0x02, (byte) 0x04, (byte) 0x84,
(byte) 0x8f, (byte) 0x09, (byte) 0x05, (byte) 0x00, (byte) 0x21,
(byte) 0xf9, (byte) 0x04, (byte) 0x01, (byte) 0x0a, (byte) 0x00,
(byte) 0x03, (byte) 0x00, (byte) 0x2c, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0x04,
(byte) 0x00, (byte) 0x00, (byte) 0x02, (byte) 0x04, (byte) 0x94,
(byte) 0x8f, (byte) 0x29, (byte) 0x05, (byte) 0x00, (byte) 0x21,
(byte) 0xf9, (byte) 0x04, (byte) 0x01, (byte) 0x0a, (byte) 0x00,
(byte) 0x03, (byte) 0x00, (byte) 0x2c, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0x04,
(byte) 0x00, (byte) 0x00, (byte) 0x02, (byte) 0x04, (byte) 0x8c,
(byte) 0x8f, (byte) 0x19, (byte) 0x05, (byte) 0x00, (byte) 0x3b
};
private void createGUI() {
ImageCanvas canvas = new ImageCanvas(img);
canvas.setBackground(Color.BLUE);
Frame frame = new Frame("CopyAnimatedGIFTest");
frame.setSize(400, 200);
frame.add(canvas);
frame.setVisible(true);
}
private void copyImage() {
Clipboard sys = Toolkit.getDefaultToolkit().getSystemClipboard();
sys.setContents(new MyTransferable(img), null);
}
private void runTest(boolean isImageDisplayed) throws Exception {
if (isImageDisplayed) {
Robot robot = new Robot();
EventQueue.invokeAndWait(this::createGUI);
robot.waitForIdle();
robot.delay(1000);
}
EventQueue.invokeLater(() -> {
copyImage();
latch.countDown();
});
if (!latch.await(TIMEOUT, MILLISECONDS)) {
String str = isImageDisplayed ? " displayed":" not displayed";
throw new RuntimeException("Image copying taking too long for image"
+ str + " case");
}
}
public static void main(String[] args) throws Exception {
// run test with Image showing up on screen
new CopyAnimatedGIFTest().runTest(true);
// run test without Image showing up
new CopyAnimatedGIFTest().runTest(false);
}
private static class ImageCanvas extends Canvas {
private final Image img;
public ImageCanvas(Image img) {
this.img = img;
}
@Override
public void paint(Graphics g) {
g.drawImage(img, 0, 0, getWidth(), getHeight(), this);
}
}
private static class MyTransferable implements Transferable {
private final Image img;
private final DataFlavor[] flavors = {DataFlavor.imageFlavor};
public MyTransferable(Image img) {
this.img = img;
}
@Override
public DataFlavor[] getTransferDataFlavors() {
return flavors;
}
@Override
public boolean isDataFlavorSupported(DataFlavor flavor) {
return flavors[0].equals(flavor);
}
@Override
public Object getTransferData(DataFlavor flavor)
throws UnsupportedFlavorException {
if (!isDataFlavorSupported(flavor)) {
throw new UnsupportedFlavorException(flavor);
}
return img;
}
}
}
|
