121 lines
4.5 KiB
Java
121 lines
4.5 KiB
Java
/*
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* Copyright (c) 2021, 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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/*
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* @test
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* @bug 4710675
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* @key headful
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* @summary Verify JTextArea.setComponentOrientation honours RIGHT_TO_LEFT orientation.
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* @run main JTextAreaOrientationTest
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*/
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import java.awt.ComponentOrientation;
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import java.awt.Graphics;
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import java.awt.Rectangle;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import javax.imageio.ImageIO;
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import javax.swing.JFrame;
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import javax.swing.JTextArea;
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import javax.swing.SwingUtilities;
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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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public class JTextAreaOrientationTest {
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static JFrame frame;
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static Rectangle bounds;
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public static boolean compareBufferedImages(BufferedImage bufferedImage0, BufferedImage bufferedImage1) {
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int width = bufferedImage0.getWidth();
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int height = bufferedImage0.getHeight();
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if (width != bufferedImage1.getWidth() || height != bufferedImage1.getHeight()) {
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return false;
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}
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for (int y = 0; y < height; y++) {
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for (int x = 0; x < width; x++) {
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if (bufferedImage0.getRGB(x, y) != bufferedImage1.getRGB(x, y)) {
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return false;
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}
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}
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}
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return true;
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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 L&F: " + 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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public static void main(String[] args) throws Exception {
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for (UIManager.LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) {
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System.out.println("Testing L&F: " + laf.getClassName());
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SwingUtilities.invokeAndWait(() -> setLookAndFeel(laf));
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BufferedImage left = test(ComponentOrientation.LEFT_TO_RIGHT);
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ImageIO.write(left, "png", new File("JTextAreaTest-left.png"));
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BufferedImage right = test(ComponentOrientation.RIGHT_TO_LEFT);
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ImageIO.write(right, "png", new File("JTextAreaTest-right.png"));
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if (compareBufferedImages(left, right)) {
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throw new RuntimeException("Orientation change is not effected");
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}
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}
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}
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private static BufferedImage test(ComponentOrientation orientation) throws Exception {
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SwingUtilities.invokeAndWait(() -> {
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frame = new JFrame("Swing JTextArea component");
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JTextArea ta = new JTextArea();
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ta.setText("Swing JTextArea component");
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ta.setName("jtext");
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ta.setComponentOrientation(orientation);
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frame.getContentPane().add(ta);
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frame.setSize(300, 100);
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frame.setUndecorated(true);
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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});
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Thread.sleep(1000);
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SwingUtilities.invokeAndWait(() -> {
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bounds = frame.getBounds();
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});
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BufferedImage img = new BufferedImage(bounds.width, bounds.height, TYPE_INT_RGB);
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Graphics g = img.getGraphics();
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frame.paint(g);
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g.dispose();
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Thread.sleep(1000);
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SwingUtilities.invokeAndWait(() -> frame.dispose());
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return img;
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}
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}
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