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
|
/*
* Copyright (c) 2014, 2018, 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.
*/
/*
* @test
* @key headful
* @bug 8040617 8198613
* @summary Test verifies that an attempt to get an accelerated copy of
* a huge buffered image does not result in an OOME.
*
* @run main DrawHugeImageTest
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
public class DrawHugeImageTest {
// we have to render the BI source several times in order
// to get an accelerated copy to be used.
static {
System.setProperty("sun.java2d.accthreshold", "1");
}
private static final int max_rendering_count = 5;
private static final Color srcColor = Color.red;
private static final Color dstColor = Color.blue;
public static void main(String[] args) {
BufferedImage src = createSrc();
VolatileImage dst = createDst();
System.out.println("Dst: " + dst);
boolean status;
int count = max_rendering_count;
do {
System.out.println("render image: " + (max_rendering_count - count));
status = render(src, dst);
} while (status && count-- > 0);
if (!status || count > 0) {
throw new RuntimeException("Test failed: " + count);
}
}
private static boolean render(BufferedImage src, VolatileImage dst) {
int cnt = 5;
do {
Graphics2D g = dst.createGraphics();
g.setColor(dstColor);
g.fillRect(0, 0, dst.getWidth(), dst.getHeight());
g.drawImage(src, 0, 0, null);
g.dispose();
} while (dst.contentsLost() && (--cnt > 0));
if (cnt == 0) {
System.err.println("Test failed: unable to render to volatile destination");
return false;
}
BufferedImage s = dst.getSnapshot();
return s.getRGB(1,1) == srcColor.getRGB();
}
private static BufferedImage createSrc() {
final int w = 20000;
final int h = 5;
BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_3BYTE_BGR);
Graphics2D g = img.createGraphics();
g.setColor(srcColor);
g.fillRect(0, 0, w, h);
g.dispose();
return img;
}
private static VolatileImage createDst() {
GraphicsConfiguration gc =
GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
return gc.createCompatibleVolatileImage(200, 200);
}
}
|
