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/*
* Copyright (c) 2019, 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 8223558
* @key headful
* @summary Verifies that Myanmar script is rendered correctly:
* two characters combined into one glyph
* @run main MyanmarTextTest
*/
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.util.Arrays;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;
import javax.swing.plaf.TextUI;
import javax.swing.text.BadLocationException;
import javax.swing.text.Position;
public class MyanmarTextTest {
private static final String TEXT = "\u1000\u103C";
private static final String FONT_WINDOWS = "Myanmar Text";
private static final String FONT_LINUX = "Padauk";
private static final String FONT_MACOS = "Myanmar MN";
private static final String FONT_NAME = selectFontName();
private final JFrame frame;
private final JTextField myanmarTF;
private static volatile MyanmarTextTest mtt;
public static void main(String[] args) throws Exception {
if (FONT_NAME == null) {
System.err.println("Unsupported OS: exiting");
return;
}
if (!fontExists()) {
System.err.println("Required font is not installed: " + FONT_NAME);
return;
}
try {
SwingUtilities.invokeAndWait(MyanmarTextTest::createUI);
SwingUtilities.invokeAndWait(mtt::checkPositions);
} finally {
SwingUtilities.invokeAndWait(mtt::dispose);
}
}
private static void createUI() {
mtt = new MyanmarTextTest();
mtt.show();
}
private MyanmarTextTest() {
frame = new JFrame("Myanmar Text");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
myanmarTF = new JTextField(TEXT);
myanmarTF.setFont(new Font(FONT_NAME, Font.PLAIN, 40));
JPanel main = new JPanel();
main.setLayout(new BoxLayout(main, BoxLayout.Y_AXIS));
main.add(myanmarTF);
main.setBorder(BorderFactory.createEmptyBorder(7, 7, 7, 7));
frame.getContentPane().add(main);
}
private void show() {
frame.pack();
frame.setLocationByPlatform(true);
frame.setVisible(true);
}
private void dispose() {
frame.dispose();
}
private void checkPositions() {
final TextUI ui = myanmarTF.getUI();
final Position.Bias[] biasRet = new Position.Bias[1];
try {
if (2 != ui.getNextVisualPositionFrom(myanmarTF, 0,
Position.Bias.Forward, SwingConstants.EAST, biasRet)) {
throw new RuntimeException("For 0, next position should be 2");
}
if (2 != ui.getNextVisualPositionFrom(myanmarTF, 1,
Position.Bias.Forward, SwingConstants.EAST, biasRet)) {
throw new RuntimeException("For 1, next position should be 2");
}
if (0 != ui.getNextVisualPositionFrom(myanmarTF, 2,
Position.Bias.Forward, SwingConstants.WEST, biasRet)) {
throw new RuntimeException("For 2, prev position should be 0");
}
} catch (BadLocationException e) {
throw new RuntimeException(e);
}
}
private static String selectFontName() {
String osName = System.getProperty("os.name").toLowerCase();
if (osName.contains("windows")) {
return FONT_WINDOWS;
} else if (osName.contains("linux")) {
return FONT_LINUX;
} else if (osName.contains("mac")) {
return FONT_MACOS;
} else {
return null;
}
}
private static boolean fontExists() {
String[] fontFamilyNames = GraphicsEnvironment
.getLocalGraphicsEnvironment()
.getAvailableFontFamilyNames();
return Arrays.asList(fontFamilyNames).contains(FONT_NAME);
}
}
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