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/*
* Copyright (c) 2019, 2020, 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.
*/
/*
* @test
* @bug 8224475 8238985
* @summary Verify that JTextPane renders images properly for HTML text
* @run main/manual TestJTextPaneHTMLRendering
*/
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.Image;
import java.net.URL;
import java.util.Dictionary;
import java.util.Hashtable;
import javax.swing.JButton;
import javax.swing.JTextArea;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextPane;
import javax.swing.text.EditorKit;
import javax.swing.SwingUtilities;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
public class TestJTextPaneHTMLRendering {
private static JFrame mainFrame = new JFrame();
private static Dictionary<URL, Image> cache;
private static JTextPane textPane;
private static URL urlArrow;
private static volatile boolean testResult = false;
private static volatile CountDownLatch countDownLatch;
private static final String INSTRUCTIONS = "INSTRUCTIONS:\n\n" +
"Verify that the JTextPane is filled with blue arrow images.\n" +
"There should be 200 images (10 rows of 20 images each).\n" +
"This test will run for 10 iterations and the current iteration\n" +
"is being displayed at top of JTextPane. JTextpane will be\n" +
"repainted each time and should have same output\n"+
"If yes, Press Pass, Otherwise, Press Fail.\n";
public static void main(String args[]) throws Exception {
urlArrow = new URL("http:\\arrow.png");
countDownLatch = new CountDownLatch(1);
SwingUtilities.invokeLater(TestJTextPaneHTMLRendering::createUI);
countDownLatch.await(15, TimeUnit.MINUTES);
SwingUtilities.invokeLater(mainFrame::dispose);
if (!testResult) {
throw new RuntimeException("Test failed!");
}
}
private static void createUI() {
JPanel mainControlPanel = new JPanel(new BorderLayout(20, 20));
JPanel resultButtonPanel = new JPanel(new GridBagLayout());
createTestUI(mainControlPanel);
JTextArea instructionTextArea = new JTextArea();
instructionTextArea.setText(INSTRUCTIONS);
instructionTextArea.setEditable(false);
instructionTextArea.setBackground(Color.white);
mainControlPanel.add(instructionTextArea, BorderLayout.NORTH);
JButton passButton = new JButton("Pass");
passButton.setActionCommand("Pass");
passButton.addActionListener((ActionEvent e) -> {
testResult = true;
countDownLatch.countDown();
});
JButton failButton = new JButton("Fail");
failButton.setActionCommand("Fail");
failButton.addActionListener(e -> {
countDownLatch.countDown();
});
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 0;
resultButtonPanel.add(passButton, gbc);
gbc.gridx = 1;
gbc.gridy = 0;
resultButtonPanel.add(failButton, gbc);
mainControlPanel.add(resultButtonPanel, BorderLayout.SOUTH);
mainFrame.add(mainControlPanel);
mainFrame.pack();
mainFrame.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
mainFrame.dispose();
countDownLatch.countDown();
}
});
mainFrame.setVisible(true);
}
static void createTestUI(JPanel panel) {
textPane = new JTextPane();
panel.add(textPane, BorderLayout.CENTER);
final EditorKit l_kit = textPane.getEditorKitForContentType("text/html");
textPane.setEditable(false);
textPane.setEditorKit(l_kit);
cache = (Dictionary<URL, Image>)textPane.getDocument().getProperty("imageCache");
if (cache==null) {
cache=new Hashtable<URL, Image>();
textPane.getDocument().putProperty("imageCache",cache);
}
URL arrowLocationUrl = TestJTextPaneHTMLRendering.class.getResource("arrow.png");
ImageIcon imageIcon = new ImageIcon(arrowLocationUrl);
Image image = imageIcon.getImage();
Image scaledImage = image.getScaledInstance(24, 24, java.awt.Image.SCALE_SMOOTH);
cache.put(urlArrow, scaledImage);
new Thread(TestJTextPaneHTMLRendering::runTest).start();
}
static void runTest() {
for (int i=0; i < 10; i++)
{
StringBuffer sb = new StringBuffer();
sb.append("<html><body bgcolor=\"#BBBBBB\"><center>Iteration " + (i+1) + " -> " + "<br>");
for (int j=1;j<201;j++)
{
sb.append("<img src=\"" + urlArrow + "\">");
if (j%20 == 0) sb.append("<br>");
}
textPane.setText(sb.toString());
textPane.validate();
textPane.repaint();
try {
Thread.currentThread().sleep(1000);
} catch (InterruptedException e) { System.err.println(e); }
}
}
}
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