1 /* 2 * Copyright (c) 2016, 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 /* 26 @test 27 @bug 8142861 8143062 8147016 28 @summary Check if multiresolution image behaves properly 29 on HiDPI + non-HiDPI display pair. 30 @author a.stepanov 31 @library /lib/testlibrary 32 @build jdk.testlibrary.OSInfo 33 @run applet/manual=yesno MultiDisplayTest.html 34 */ 35 36 37 import java.applet.Applet; 38 import java.awt.*; 39 import java.awt.event.*; 40 import java.awt.image.*; 41 import jdk.testlibrary.OSInfo; 42 43 44 public class MultiDisplayTest extends Applet { 45 46 private static final int W = 200, H = 200; 47 48 private static final BaseMultiResolutionImage IMG = 49 new BaseMultiResolutionImage(new BufferedImage[]{ 50 generateImage(1, Color.BLACK), generateImage(2, Color.BLUE)}); 51 52 private static boolean checkOS() { 53 OSInfo.OSType os = OSInfo.getOSType(); 54 return (os.equals(OSInfo.OSType.WINDOWS) || 55 os.equals(OSInfo.OSType.MACOSX)); 56 } 57 58 public void init() { this.setLayout(new BorderLayout()); } 59 60 public void start() { 61 62 Button b = new Button("Start"); 63 b.setEnabled(checkOS()); 64 65 b.addActionListener(new ActionListener() { 66 @Override 67 public void actionPerformed(ActionEvent e) { 68 69 ParentFrame p = new ParentFrame(); 70 new ChildDialog(p); 71 } 72 }); 73 74 add(b, BorderLayout.CENTER); 75 76 validate(); 77 setVisible(true); 78 } 79 80 81 private static BufferedImage generateImage(int scale, Color c) { 82 83 BufferedImage image = new BufferedImage( 84 scale * W, scale * H, BufferedImage.TYPE_INT_RGB); 85 Graphics g = image.getGraphics(); 86 g.setColor(c); 87 g.fillRect(0, 0, scale * W, scale * H); 88 89 g.setColor(Color.WHITE); 90 Font f = g.getFont(); 91 g.setFont(new Font(f.getName(), Font.BOLD, scale * 48)); 92 g.drawChars((scale + "X").toCharArray(), 0, 2, scale * W / 2, scale * H / 2); 93 94 return image; 95 } 96 97 private static class ParentFrame extends Frame { 98 99 public ParentFrame() { 100 EventQueue.invokeLater(this::CreateUI); 101 } 102 103 private void CreateUI() { 104 105 addWindowListener(new WindowAdapter() { 106 @Override 107 public void windowClosing(WindowEvent e) { dispose(); } 108 }); 109 setSize(W, H); 110 setLocation(50, 50); 111 setTitle("parent"); 112 setResizable(false); 113 setVisible(true); 114 } 115 116 @Override 117 public void paint(Graphics gr) { 118 119 Graphics2D g = (Graphics2D) gr; 120 if (g != null) { g.drawImage(IMG, 0, 0, this); } 121 } 122 } 123 124 private static class ChildDialog extends Dialog { 125 126 public ChildDialog(Frame f) { 127 super(f); 128 EventQueue.invokeLater(this::CreateUI); 129 } 130 131 private void CreateUI() { 132 133 addWindowListener(new WindowAdapter() { 134 @Override 135 public void windowClosing(WindowEvent e) { dispose(); } 136 }); 137 setSize(W, H); 138 setTitle("child"); 139 setResizable(false); 140 setModal(true); 141 setVisible(true); 142 } 143 144 @Override 145 public void paint(Graphics gr) { 146 147 Graphics2D g = (Graphics2D) gr; 148 if (g != null) { g.drawImage(IMG, 0, 0, this); } 149 } 150 } 151 }