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
|
/*
* Copyright (c) 2011, 2013, 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 %W% %E%
* @bug 7016495
* @summary Test tiny scales of BufferedImage
*/
import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
public class TinyScale {
static double tinyscales[] = {
1E-0,
1E-1,
1E-2,
1E-3,
1E-4,
1E-5,
1E-6,
1E-7,
1E-8,
1E-9,
1E-10,
1E-11,
1E-12,
1E-13,
1E-14,
1E-15,
1E-16,
1E-17,
1E-18,
1E-19,
1E-20,
1E-21,
1E-22,
1E-23,
1E-24,
1E-25,
1E-26,
1E-27,
1E-28,
1E-29,
};
static void test(BufferedImage rendImg, BufferedImage drawImg, double s) {
Graphics2D g = drawImg.createGraphics();
g.transform(new AffineTransform(s, 0.0, -1.0, 1.0, 0.0, 0.0));
g.drawImage(rendImg,
-rendImg.getWidth() / 2,
-rendImg.getHeight() / 2,
null);
g.drawImage(rendImg, 0, 0, null);
g.dispose();
}
public static void main(String[] args) {
BufferedImage rendImg =
new BufferedImage(100, 100, BufferedImage.TYPE_3BYTE_BGR);
BufferedImage drawImg =
new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
for (double s: tinyscales) {
test(rendImg, drawImg, s);
for (int i = 0; args.length > 0 && i < 10; i++) {
test(rendImg, drawImg, Math.random()*s);
}
}
}
}
|
