121 lines
4.4 KiB
Java
121 lines
4.4 KiB
Java
/*
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* Copyright (c) 2014, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.File;
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import java.io.IOException;
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import java.awt.Color;
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import java.awt.Graphics2D;
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import java.awt.image.BufferedImage;
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import javax.imageio.ImageIO;
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import javax.swing.Icon;
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import javax.swing.JLabel;
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import javax.swing.JTree;
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import javax.swing.SwingUtilities;
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import javax.swing.plaf.basic.BasicTreeUI;
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import javax.swing.UIManager;
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import javax.swing.UnsupportedLookAndFeelException;
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import static java.awt.image.BufferedImage.TYPE_INT_RGB;
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/* @test
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* @key headful
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* @bug 8038113 8258979
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* @summary [macosx] JTree icon is not rendered in high resolution on Retina,
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* collapsed icon is not rendered for GTK LAF as well.
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* @run main bug8038113
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*/
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public class bug8038113 {
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public static void main(String[] args) throws Exception {
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for (UIManager.LookAndFeelInfo laf :
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UIManager.getInstalledLookAndFeels()) {
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if (!laf.getName().contains("Motif")) {
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System.out.println("Testing LAF: " + laf.getName());
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SwingUtilities.invokeAndWait(() -> test(laf));
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}
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}
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}
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public static void test(UIManager.LookAndFeelInfo laf) {
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setLookAndFeel(laf);
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final JTree tree = new JTree();
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final BasicTreeUI treeUI = (BasicTreeUI) tree.getUI();
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Icon collapsedIcon = treeUI.getCollapsedIcon();
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Icon expandedIcon = treeUI.getExpandedIcon();
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BufferedImage img1 = paintToImage(expandedIcon);
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BufferedImage img2 = paintToImage(collapsedIcon);
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if (!isImgRendered(img1)) {
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try {
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ImageIO.write(img1, "png", new File("Expanded_Icon_" + laf.getName() + ".png"));
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} catch (IOException ignored) {
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}
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throw new RuntimeException("Test Failed, Expanded not rendered for: "+laf.getName());
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}
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if (!isImgRendered(img2)) {
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try {
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ImageIO.write(img2, "png", new File("Collapsed_Icon_" + laf.getName() + ".png"));
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} catch (IOException ignored) {
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}
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throw new RuntimeException("Test Failed, Collapsed Icon not rendered for: "+laf.getName());
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}
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System.out.println("Test Passed");
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}
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private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) {
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try {
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UIManager.setLookAndFeel(laf.getClassName());
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} catch (UnsupportedLookAndFeelException ignored) {
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System.out.println("Unsupported LAF: " + laf.getClassName());
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} catch (ClassNotFoundException | InstantiationException
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| IllegalAccessException e) {
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throw new RuntimeException(e);
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}
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}
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private static BufferedImage paintToImage(Icon content) {
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BufferedImage im = new BufferedImage(content.getIconWidth(),
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content.getIconHeight(), TYPE_INT_RGB);
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Graphics2D g = (Graphics2D) im.getGraphics();
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g.setBackground(Color.WHITE);
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g.clearRect(0, 0, content.getIconWidth(), content.getIconHeight());
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content.paintIcon(new JLabel(), g, 0, 0);
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g.dispose();
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return im;
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}
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private static boolean isImgRendered(BufferedImage img) {
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Color white = new Color(255, 255, 255);
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for (int x = 0; x < img.getWidth(); ++x) {
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for (int y = 0; y < img.getHeight(); ++y) {
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if (img.getRGB(x, y) != white.getRGB()) {
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return true;
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}
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}
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}
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return false;
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}
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}
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