1 /*
2 * Copyright (c) 2017, 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 * @test
25 * @bug 8178025
26 * @summary Verifies if SPANs in HTML text are rendered properly in hidpi
27 * @run main/manual/othervm -Dsun.java2d.uiScale=2.25 GetSpanHiDpiBug
28 */
29 import java.awt.BorderLayout;
30 import java.awt.FlowLayout;
31 import java.beans.PropertyChangeSupport;
32 import java.util.concurrent.CountDownLatch;
33 import java.util.concurrent.TimeUnit;
34 import javax.swing.JButton;
35 import javax.swing.JDialog;
36 import javax.swing.JFrame;
37 import javax.swing.JLabel;
38 import javax.swing.JPanel;
39 import javax.swing.JTextArea;
40 import javax.swing.SwingUtilities;
41
42 public class GetSpanHiDpiBug {
43 public static void main(String[] args) throws Exception {
44
45 final CountDownLatch latch = new CountDownLatch(1);
46 SpanTest test = new SpanTest(latch);
47 Thread T1 = new Thread(test);
48 T1.start();
49
50 // wait for latch to complete
51 boolean ret = false;
52 try {
53 ret = latch.await(3000, TimeUnit.SECONDS);
54 } catch (InterruptedException ie) {
55 throw ie;
56 }
57 if (!ret) {
58 test.dispose();
59 throw new RuntimeException(" User has not executed the test");
60 }
61 if (test.testResult == false) {
62 throw new RuntimeException("Some characters overlap");
63 }
64 }
65 }
66
67 class SpanTest implements Runnable {
68 static JFrame f;
69 static JDialog dialog;
70 public boolean testResult = false;
71 private final CountDownLatch latch;
72
73 public SpanTest(CountDownLatch latch) throws Exception {
74 this.latch = latch;
75 }
76
77 @Override
78 public void run() {
79 try {
80 createUI();
81 spanTest();
82 } catch (Exception ex) {
83 dispose();
84 latch.countDown();
85 throw new RuntimeException("createUI Failed: " + ex.getMessage());
86 }
87 }
88
89 public void dispose() {
90 if (dialog != null) {
91 dialog.dispose();
92 }
93 if (f != null) {
94 f.dispose();
95 }
96 }
97
98 private static void spanTest() throws Exception {
99 SwingUtilities.invokeAndWait(new Runnable() {
100 @Override
101 public void run() {
102 JLabel label =
103 new JLabel("<html><span>A few words to get started "
104 + "before the bug</span><span>overlapping text</span></html>");
105 f = new JFrame("");
106 f.getContentPane().add(label, BorderLayout.CENTER);
107 f.setSize(500,500);
108 f.setVisible(true);
109 }
110 });
111 }
112
113 private final void createUI() throws Exception {
114 SwingUtilities.invokeAndWait(new Runnable() {
115 @Override
116 public void run() {
117 String description
118 = " INSTRUCTIONS:\n"
119 + " A string will be shown.\n "
120 + " Press Pass if there is no overlap of characters\n"
121 + " else press Fail.";
122
123 dialog = new JDialog();
124 dialog.setTitle("textselectionTest");
125 JTextArea textArea = new JTextArea(description);
126 textArea.setEditable(false);
127 final JButton passButton = new JButton("PASS");
128 passButton.addActionListener((e) -> {
129 testResult = true;
130 dispose();
131 latch.countDown();
132 });
133 final JButton failButton = new JButton("FAIL");
134 failButton.addActionListener((e) -> {
135 testResult = false;
136 dispose();
137 latch.countDown();
138 });
139 JPanel mainPanel = new JPanel(new BorderLayout());
140 mainPanel.add(textArea, BorderLayout.CENTER);
141 JPanel buttonPanel = new JPanel(new FlowLayout());
142 buttonPanel.add(passButton);
143 buttonPanel.add(failButton);
144 mainPanel.add(buttonPanel, BorderLayout.SOUTH);
145 dialog.add(mainPanel);
146 dialog.pack();
147 dialog.setVisible(true);
148 }
149 });
150 }
151 }