--- /dev/null 2015-11-05 17:33:53.132999596 +0400 +++ new/test/java/awt/image/multiresolution/MultiDisplayTest/MultiDisplayTest.java 2015-11-13 15:15:08.326332434 +0400 @@ -0,0 +1,171 @@ +/* + * Copyright (c) 2015, 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 8142861 + @summary Check if multiresolution image behaves properly on HiDPI + non-HiDPI display pair. + @author a.stepanov + @run applet/manual=yesno MultiDisplayTest.html +*/ + + +import java.applet.Applet; +import java.awt.*; +import java.awt.event.*; +import java.awt.image.BufferedImage; +import java.io.*; +import javax.imageio.ImageIO; + + +public class MultiDisplayTest extends Applet { + + private static final int W = 200; + private static final int H = 200; + + + + public void init() { this.setLayout(new BorderLayout()); } + + public void start() { + + Button b = new Button("Start"); + + b.addActionListener(new ActionListener() { + @Override + public void actionPerformed(ActionEvent e) { + + ParentFrame p = new ParentFrame(); + new ChildDialog(p); + } + }); + + add(b, BorderLayout.CENTER); + + validate(); + setVisible(true); + } + + + + private static void generateImagePair(String name, Color c) { + + String name1x = name + ".png", name2x = name + "@2x.png"; + + try { + if (!new File(name1x).exists()) { generateImage(name1x, 1, c); } + if (!new File(name2x).exists()) { generateImage(name2x, 2, c); } + } catch (Exception dummy) { + System.err.println("cannot create images for " + name); + System.exit(1); + } + } + + private static void generateImage(String name, int scale, Color c) throws IOException { + + BufferedImage image = new BufferedImage(scale * W, scale * H, BufferedImage.TYPE_INT_RGB); + Graphics g = image.getGraphics(); + g.setColor(c); + g.fillRect(0, 0, scale * W, scale * H); + + g.setColor(Color.WHITE); + Font f = g.getFont(); + g.setFont(new Font(f.getName(), Font.BOLD, scale * 48)); + g.drawChars((scale + "X").toCharArray(), 0, 2, scale * W / 2, scale * H / 2); + + ImageIO.write(image, "png", new File(name)); + } + + private static class ParentFrame extends Frame { + + private final String parentName = "parent"; + + public ParentFrame() { + EventQueue.invokeLater(this::CreateUI); + } + + private void CreateUI() { + + generateImagePair(parentName, Color.BLACK); + + addWindowListener(new WindowAdapter() { + @Override + public void windowClosing(WindowEvent e) { dispose(); } + }); + setSize(W, H); + setLocation(50, 50); + setTitle(parentName); + setResizable(false); + setVisible(true); + } + + @Override + public void paint(Graphics gr) { + + Graphics2D g = (Graphics2D) gr; + if (g != null) { + Image img = Toolkit.getDefaultToolkit().getImage( + new File(parentName + ".png").getAbsolutePath()); + g.drawImage(img, 0, 0, this); + } + } + } + + private static class ChildDialog extends Dialog { + + private final String childName = "child"; + + public ChildDialog(Frame f) { + super(f); + EventQueue.invokeLater(this::CreateUI); + } + + private void CreateUI() { + + generateImagePair(childName, Color.BLUE); + + addWindowListener(new WindowAdapter() { + @Override + public void windowClosing(WindowEvent e) { dispose(); } + }); + setSize(W, H); + setTitle(childName); + setResizable(false); + setModal(true); + setVisible(true); + } + + @Override + public void paint(Graphics gr) { + + Graphics2D g = (Graphics2D) gr; + if (g != null) { + Image img = Toolkit.getDefaultToolkit().getImage( + new File(childName + ".png").getAbsolutePath()); + g.drawImage(img, 0, 0, this); + } + } + } +} +