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
|
/*
* Sonar, open source software quality management tool.
* Copyright (C) 2008-2012 SonarSource
* mailto:contact AT sonarsource DOT com
*
* Sonar is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Sonar 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sonar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.api.charts;
import org.apache.commons.io.FileUtils;
import org.jfree.chart.ChartUtilities;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import static org.junit.Assert.assertTrue;
import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
public abstract class AbstractChartTest {
protected void assertChartSizeGreaterThan(BufferedImage img, int size) throws IOException {
ByteArrayOutputStream output = new ByteArrayOutputStream();
ChartUtilities.writeBufferedImageAsPNG(output, img);
assertTrue("PNG size in bits=" + output.size(), output.size() > size);
}
protected void assertChartSizeLesserThan(BufferedImage img, int size) throws IOException {
ByteArrayOutputStream output = new ByteArrayOutputStream();
ChartUtilities.writeBufferedImageAsPNG(output, img);
assertTrue("PNG size in bits=" + output.size(), output.size() < size);
}
protected void saveChart(BufferedImage img, String name) throws IOException {
File target = new File("target/tmp-chart", name);
FileUtils.forceMkdir(target.getParentFile());
ByteArrayOutputStream imgOutput = new ByteArrayOutputStream();
ChartUtilities.writeBufferedImageAsPNG(imgOutput, img);
OutputStream out = new FileOutputStream(target);
out.write(imgOutput.toByteArray());
out.close();
}
protected static void displayTestPanel(BufferedImage image) throws IOException {
ApplicationFrame frame = new ApplicationFrame("testframe");
BufferedPanel imgPanel = new BufferedPanel(image);
frame.setContentPane(imgPanel);
frame.pack();
RefineryUtilities.centerFrameOnScreen(frame);
frame.setVisible(true);
}
protected static Date stringToDate(String sDate) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yy hh'h'mm");
return sdf.parse(sDate);
}
private static class BufferedPanel extends JPanel {
private BufferedImage chartImage;
public BufferedPanel(BufferedImage chartImage) {
this.chartImage = chartImage;
}
@Override
protected void paintComponent(Graphics graphics) {
super.paintComponent(graphics);
graphics.drawImage(chartImage, 0, 0, null);
}
@Override
public Dimension getPreferredSize() {
return new Dimension(chartImage.getWidth(), chartImage.getHeight());
}
}
}
|
