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/*
* Copyright (c) 2023, 2024, 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 java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import javax.imageio.ImageIO;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JComboBox;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
/*
* @test
* @bug 7093691 8310072
* @summary Tests if JComboBox has correct font color when disabled/enabled
* @key headful
* @run main/othervm -Dsun.java2d.uiScale=1 DisabledComboBoxFontTestAuto
*/
public class DisabledComboBoxFontTestAuto {
private static JComboBox combo, combo2;
private static BufferedImage enabledImage, disabledImage, enabledImage2, disabledImage2;
private static String lafName;
private static StringBuffer failingLafs;
private static int COMBO_HEIGHT, COMBO_WIDTH, COMBO2_HEIGHT, COMBO2_WIDTH;
private static void createCombo() {
combo = new JComboBox();
combo.addItem("\u2588".repeat(5));
combo.setFont(combo.getFont().deriveFont(50.0f));
combo.setRenderer(new DefaultListCellRenderer());
combo2 = new JComboBox();
combo2.addItem("\u2588".repeat(5));
combo2.setFont(combo2.getFont().deriveFont(50.0f));
COMBO_WIDTH = (int) combo.getPreferredSize().getWidth();
COMBO_HEIGHT = (int) combo.getPreferredSize().getHeight();
COMBO2_WIDTH = (int) combo2.getPreferredSize().getWidth();
COMBO2_HEIGHT = (int) combo2.getPreferredSize().getHeight();
combo.setSize(COMBO_WIDTH, COMBO_HEIGHT);
combo2.setSize(COMBO2_WIDTH, COMBO2_HEIGHT);
}
private static void paintCombo() {
combo.setEnabled(true);
enabledImage = new BufferedImage(COMBO_WIDTH, COMBO_HEIGHT, TYPE_INT_ARGB);
Graphics2D graphics2D = enabledImage.createGraphics();
combo.paint(graphics2D);
graphics2D.dispose();
combo.setEnabled(false);
disabledImage = new BufferedImage(COMBO_WIDTH, COMBO_HEIGHT, TYPE_INT_ARGB);
graphics2D = disabledImage.createGraphics();
combo.paint(graphics2D);
graphics2D.dispose();
combo2.setEnabled(true);
enabledImage2 = new BufferedImage(COMBO2_WIDTH, COMBO2_HEIGHT, TYPE_INT_ARGB);
graphics2D = enabledImage2.createGraphics();
combo2.paint(graphics2D);
graphics2D.dispose();
combo2.setEnabled(false);
disabledImage2 = new BufferedImage(COMBO2_WIDTH, COMBO2_HEIGHT, TYPE_INT_ARGB);
graphics2D = disabledImage2.createGraphics();
combo2.paint(graphics2D);
graphics2D.dispose();
}
private static void testMethod() throws IOException {
Color eColor1, eColor2, dColor1, dColor2;
Path testDir = Path.of(System.getProperty("test.classes", "."));
// Use center line to compare RGB values
int y = enabledImage.getHeight() / 2;
for (int x = (enabledImage.getWidth() / 2) - 20;
x < (enabledImage.getWidth() / 2) + 20; x++) {
eColor1 = new Color(enabledImage.getRGB(x, y));
eColor2 = new Color(enabledImage2.getRGB(x, y));
dColor1 = new Color(disabledImage.getRGB(x, y));
dColor2 = new Color(disabledImage2.getRGB(x, y));
if ((!isColorMatching(eColor1, eColor2)) || (!isColorMatching(dColor1, dColor2))) {
failingLafs.append(lafName + ", ");
ImageIO.write(enabledImage, "png", new File(testDir
+ "/" + lafName + "Enabled.png"));
ImageIO.write(disabledImage, "png", new File(testDir
+ "/" + lafName + "Disabled.png"));
ImageIO.write(enabledImage2, "png", new File(testDir
+ "/" + lafName + "EnabledDLCR.png"));
ImageIO.write(disabledImage2, "png", new File(testDir
+ "/" + lafName + "DisabledDLCR.png"));
return;
}
}
System.out.println("Test Passed: " + lafName);
}
private static boolean isColorMatching(Color c1, Color c2) {
if ((c1.getRed() != c2.getRed())
|| (c1.getBlue() != c2.getBlue())
|| (c1.getGreen() != c2.getGreen())) {
System.out.println(lafName + " Enabled RGB failure: "
+ c1.getRed() + ", "
+ c1.getBlue() + ", "
+ c1.getGreen() + " vs "
+ c2.getRed() + ", "
+ c2.getBlue() + ", "
+ c2.getGreen());
return false;
}
return true;
}
private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) {
try {
UIManager.setLookAndFeel(laf.getClassName());
} catch (UnsupportedLookAndFeelException ignored){
System.out.println("Unsupported LookAndFeel: " + laf.getClassName());
} catch (ClassNotFoundException | InstantiationException |
IllegalAccessException e) {
throw new RuntimeException(e);
}
}
public static void main(String[] args) throws Exception {
lafName = "null";
failingLafs = new StringBuffer();
for (UIManager.LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) {
// Change Motif LAF name to avoid using slash in saved image file path
lafName = laf.getName().equals("CDE/Motif") ? "Motif" : laf.getName();
SwingUtilities.invokeAndWait(() -> setLookAndFeel(laf));
SwingUtilities.invokeAndWait(DisabledComboBoxFontTestAuto::createCombo);
SwingUtilities.invokeAndWait(DisabledComboBoxFontTestAuto::paintCombo);
testMethod();
}
if (!failingLafs.isEmpty()) {
// Remove trailing comma and whitespace
failingLafs.setLength(failingLafs.length() - 2);
throw new RuntimeException("FAIL - Enabled and disabled ComboBox " +
"does not match in these LAFs: " + failingLafs);
}
}
}
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