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/*
* 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 javax.imageio.ImageIO;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
import javax.swing.table.JTableHeader;
import javax.swing.UIManager;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
/*
* @test
* @bug 8301606
* @summary Test to check if the Right aligned header
* label doesn't cut off Metal Look&Feel
* @run main JTableHeaderLabelRightAlignTest
*/
public class JTableHeaderLabelRightAlignTest {
private static final double SCALE = 2.25;
public static void main(String[] args) throws Exception {
UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
String[][] data = {
{"1", "1"}
};
String[] columnNames = {"Size", "Size"};
JTable table = new JTable(data, columnNames);
((JLabel)table.getTableHeader().getDefaultRenderer())
.setHorizontalAlignment(JLabel.RIGHT);
final JTableHeader header = table.getTableHeader();
Dimension size = header.getPreferredSize();
header.setSize(size);
BufferedImage imgHeader =
new BufferedImage((int)Math.ceil(SCALE * size.width),
(int)Math.ceil(SCALE * size.height),
BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = imgHeader.createGraphics();
g2d.scale(SCALE, SCALE);
try {
header.paint(g2d);
} finally {
g2d.dispose();
}
int x = (int)(table.getTableHeader()
.getColumnModel()
.getColumn(0)
.getWidth() * SCALE);
int expectedRGB = imgHeader.getRGB(x, 1);
for (int y = 1; y < (imgHeader.getHeight() - 3); y++) {
if (expectedRGB != imgHeader.getRGB(x, y)) {
saveImage(imgHeader, "failureImage.png");
throw new RuntimeException("Test Failed at <" + x + ", " + y + ">");
}
}
System.out.println("Test Passed");
}
private static void saveImage(BufferedImage image, String fileName) {
try {
ImageIO.write(image, "png", new File(fileName));
} catch (IOException e) {
e.printStackTrace();
}
}
}
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