/* * Copyright (c) 1999, 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.io.File; import java.io.IOException; import java.awt.Color; import java.awt.Graphics2D; import java.awt.image.BufferedImage; import javax.imageio.ImageIO; import javax.swing.JComponent; import javax.swing.JLabel; import javax.swing.SwingUtilities; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import javax.swing.plaf.nimbus.NimbusLookAndFeel; import static java.awt.image.BufferedImage.TYPE_INT_RGB; /* * @test * @bug 4248210 * @key headful * @summary Tests that HTML in JLabel is painted using LAF-defined foreground color * @run main bug4248210 */ public class bug4248210 { private static final Color labelColor = Color.red; public static void main(String[] args) throws Exception { for (UIManager.LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) { if (!(laf.getName().contains("Motif") || laf.getName().contains("GTK"))) { System.out.println("Testing LAF: " + laf.getName()); SwingUtilities.invokeAndWait(() -> test(laf)); } } } private static void test(UIManager.LookAndFeelInfo laf) { setLookAndFeel(laf); if (UIManager.getLookAndFeel() instanceof NimbusLookAndFeel) { // reset "basic" properties UIManager.getDefaults().put("Label.foreground", null); // set "synth - nimbus" properties UIManager.getDefaults().put("Label[Enabled].textForeground", labelColor); } else { // reset "synth - nimbus" properties UIManager.getDefaults().put("Label[Enabled].textForeground", null); // set "basic" properties UIManager.getDefaults().put("Label.foreground", labelColor); } JLabel label = new JLabel("Can You Read This?"); label.setSize(150, 30); BufferedImage img = paintToImage(label); if (!chkImgForegroundColor(img)) { try { ImageIO.write(img, "png", new File("Label_" + laf.getName() + ".png")); } catch (IOException ignored) {} throw new RuntimeException("JLabel not painted with LAF defined " + "foreground color"); } System.out.println("Test Passed"); } private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) { try { UIManager.setLookAndFeel(laf.getClassName()); } catch (UnsupportedLookAndFeelException ignored) { System.out.println("Unsupported LAF: " + laf.getClassName()); } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) { throw new RuntimeException(e); } } private static BufferedImage paintToImage(JComponent content) { BufferedImage im = new BufferedImage(content.getWidth(), content.getHeight(), TYPE_INT_RGB); Graphics2D g = (Graphics2D) im.getGraphics(); g.setBackground(Color.WHITE); g.clearRect(0, 0, content.getWidth(), content.getHeight()); content.paint(g); g.dispose(); return im; } private static boolean chkImgForegroundColor(BufferedImage img) { for (int x = 0; x < img.getWidth(); ++x) { for (int y = 0; y < img.getHeight(); ++y) { if (img.getRGB(x, y) == labelColor.getRGB()) { return true; } } } return false; } }