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 }