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
|
/* getSubimage.java -- some checks for the getSubimage() method in the
BufferedImage class.
Copyright (C) 2006 Francis Kung <fkung@redhat.com>
This file is part of Mauve.
Mauve is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Mauve 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 for more details.
You should have received a copy of the GNU General Public License
along with Mauve; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
// Tags: JDK1.4
package gnu.testlet.java.awt.image.BufferedImage;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.image.BufferedImage;
import java.awt.image.RasterFormatException;
public class getSubimage implements Testlet
{
public void test(TestHarness harness)
{
// Create initial image, fill with data
BufferedImage img = new BufferedImage(50, 50, BufferedImage.TYPE_INT_RGB);
for (int x = 0; x < 50; x++)
for (int y = 0; y < 50; y++)
for (int b = 0; b < 3; b++)
img.getRaster().setSample(x, y, b, x+y+b);
// Subimage with identical bounds
BufferedImage img2 = img.getSubimage(0, 0, 50, 50);
harness.check(img.getRaster() != img2.getRaster());
harness.check(img.getRaster().getDataBuffer(),
img2.getRaster().getDataBuffer());
harness.check(img.getSampleModel(), img2.getSampleModel());
harness.check(img.getColorModel(), img2.getColorModel());
harness.check(img2.getMinX(), 0);
harness.check(img2.getMinY(), 0);
harness.check(img2.getWidth(), 50);
harness.check(img2.getHeight(), 50);
for (int x = 0; x < 50; x++)
for (int y = 0; y < 50; y++)
for (int b = 0; b < 3; b++)
harness.check(img2.getRaster().getSample(x, y, b), x+y+b);
// Offset subimage with smaller bounds
img2 = img.getSubimage(20, 30, 15, 10);
harness.check(img.getRaster().getDataBuffer(),
img2.getRaster().getDataBuffer());
harness.check(img.getSampleModel(), img2.getSampleModel());
harness.check(img2.getMinX(), 0);
harness.check(img2.getMinY(), 0);
harness.check(img2.getWidth(), 15);
harness.check(img2.getHeight(), 10);
for (int x = 0; x < 15; x++)
for (int y = 0; y < 10; y++)
for (int b = 0; b < 3; b++)
harness.check(img2.getRaster().getSample(x, y, b), x+20 + y+30 +b);
// Subimage overflows original image bounds
try
{
img2 = img.getSubimage(40, 40, 20, 20);
harness.check(false);
}
catch (RasterFormatException ex)
{
harness.check(true);
}
}
}
|
