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| 1 | +/* |
| 2 | + * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | + * |
| 5 | + * This code is free software; you can redistribute it and/or modify it |
| 6 | + * under the terms of the GNU General Public License version 2 only, as |
| 7 | + * published by the Free Software Foundation. |
| 8 | + * |
| 9 | + * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | + * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | + * accompanied this code). |
| 14 | + * |
| 15 | + * You should have received a copy of the GNU General Public License version |
| 16 | + * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | + * |
| 19 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 | + * or visit www.oracle.com if you need additional information or have any |
| 21 | + * questions. |
| 22 | + */ |
| 23 | + |
| 24 | +/* |
| 25 | + * @test |
| 26 | + * @bug 8223558 |
| 27 | + * @key headful |
| 28 | + * @summary Verifies that Myanmar script is rendered correctly: |
| 29 | + * two characters combined into one glyph |
| 30 | + * @run main MyanmarTextTest |
| 31 | + */ |
| 32 | + |
| 33 | +import java.awt.Font; |
| 34 | +import java.awt.GraphicsEnvironment; |
| 35 | +import java.util.Arrays; |
| 36 | +import javax.swing.BorderFactory; |
| 37 | +import javax.swing.BoxLayout; |
| 38 | +import javax.swing.JFrame; |
| 39 | +import javax.swing.JPanel; |
| 40 | +import javax.swing.JTextField; |
| 41 | +import javax.swing.SwingConstants; |
| 42 | +import javax.swing.SwingUtilities; |
| 43 | +import javax.swing.WindowConstants; |
| 44 | +import javax.swing.plaf.TextUI; |
| 45 | +import javax.swing.text.BadLocationException; |
| 46 | +import javax.swing.text.Position; |
| 47 | + |
| 48 | +public class MyanmarTextTest { |
| 49 | + private static final String TEXT = "\u1000\u103C"; |
| 50 | + |
| 51 | + private static final String FONT_WINDOWS = "Myanmar Text"; |
| 52 | + private static final String FONT_LINUX = "Padauk"; |
| 53 | + private static final String FONT_MACOS = "Myanmar MN"; |
| 54 | + |
| 55 | + private static final String FONT_NAME = selectFontName(); |
| 56 | + |
| 57 | + private final JFrame frame; |
| 58 | + private final JTextField myanmarTF; |
| 59 | + |
| 60 | + private static volatile MyanmarTextTest mtt; |
| 61 | + |
| 62 | + public static void main(String[] args) throws Exception { |
| 63 | + if (FONT_NAME == null) { |
| 64 | + System.err.println("Unsupported OS: exiting"); |
| 65 | + return; |
| 66 | + } |
| 67 | + if (!fontExists()) { |
| 68 | + System.err.println("Required font is not installed: " + FONT_NAME); |
| 69 | + return; |
| 70 | + } |
| 71 | + |
| 72 | + try { |
| 73 | + SwingUtilities.invokeAndWait(MyanmarTextTest::createUI); |
| 74 | + SwingUtilities.invokeAndWait(mtt::checkPositions); |
| 75 | + } finally { |
| 76 | + SwingUtilities.invokeAndWait(mtt::dispose); |
| 77 | + } |
| 78 | + } |
| 79 | + |
| 80 | + private static void createUI() { |
| 81 | + mtt = new MyanmarTextTest(); |
| 82 | + mtt.show(); |
| 83 | + } |
| 84 | + |
| 85 | + private MyanmarTextTest() { |
| 86 | + frame = new JFrame("Myanmar Text"); |
| 87 | + frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); |
| 88 | + |
| 89 | + myanmarTF = new JTextField(TEXT); |
| 90 | + myanmarTF.setFont(new Font(FONT_NAME, Font.PLAIN, 40)); |
| 91 | + |
| 92 | + JPanel main = new JPanel(); |
| 93 | + main.setLayout(new BoxLayout(main, BoxLayout.Y_AXIS)); |
| 94 | + main.add(myanmarTF); |
| 95 | + |
| 96 | + main.setBorder(BorderFactory.createEmptyBorder(7, 7, 7, 7)); |
| 97 | + |
| 98 | + frame.getContentPane().add(main); |
| 99 | + } |
| 100 | + |
| 101 | + private void show() { |
| 102 | + frame.pack(); |
| 103 | + frame.setLocationByPlatform(true); |
| 104 | + frame.setVisible(true); |
| 105 | + } |
| 106 | + |
| 107 | + private void dispose() { |
| 108 | + frame.dispose(); |
| 109 | + } |
| 110 | + |
| 111 | + private void checkPositions() { |
| 112 | + final TextUI ui = myanmarTF.getUI(); |
| 113 | + final Position.Bias[] biasRet = new Position.Bias[1]; |
| 114 | + try { |
| 115 | + if (2 != ui.getNextVisualPositionFrom(myanmarTF, 0, |
| 116 | + Position.Bias.Forward, SwingConstants.EAST, biasRet)) { |
| 117 | + throw new RuntimeException("For 0, next position should be 2"); |
| 118 | + } |
| 119 | + if (2 != ui.getNextVisualPositionFrom(myanmarTF, 1, |
| 120 | + Position.Bias.Forward, SwingConstants.EAST, biasRet)) { |
| 121 | + throw new RuntimeException("For 1, next position should be 2"); |
| 122 | + } |
| 123 | + if (0 != ui.getNextVisualPositionFrom(myanmarTF, 2, |
| 124 | + Position.Bias.Forward, SwingConstants.WEST, biasRet)) { |
| 125 | + throw new RuntimeException("For 2, prev position should be 0"); |
| 126 | + } |
| 127 | + } catch (BadLocationException e) { |
| 128 | + throw new RuntimeException(e); |
| 129 | + } |
| 130 | + } |
| 131 | + |
| 132 | + private static String selectFontName() { |
| 133 | + String osName = System.getProperty("os.name").toLowerCase(); |
| 134 | + if (osName.contains("windows")) { |
| 135 | + return FONT_WINDOWS; |
| 136 | + } else if (osName.contains("linux")) { |
| 137 | + return FONT_LINUX; |
| 138 | + } else if (osName.contains("mac")) { |
| 139 | + return FONT_MACOS; |
| 140 | + } else { |
| 141 | + return null; |
| 142 | + } |
| 143 | + } |
| 144 | + |
| 145 | + private static boolean fontExists() { |
| 146 | + String[] fontFamilyNames = GraphicsEnvironment |
| 147 | + .getLocalGraphicsEnvironment() |
| 148 | + .getAvailableFontFamilyNames(); |
| 149 | + return Arrays.asList(fontFamilyNames).contains(FONT_NAME); |
| 150 | + } |
| 151 | +} |
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