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/*
* Copyright (c) 2016, 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 8143062 8147016
@summary Check if multiresolution image behaves properly
on HiDPI + non-HiDPI display pair.
@author a.stepanov
@library /lib/testlibrary
@build jdk.testlibrary.OSInfo
@run applet/manual=yesno MultiDisplayTest.html
*/
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import jdk.testlibrary.OSInfo;
public class MultiDisplayTest extends Applet {
private static final int W = 200, H = 200;
private static final BaseMultiResolutionImage IMG =
new BaseMultiResolutionImage(new BufferedImage[]{
generateImage(1, Color.BLACK), generateImage(2, Color.BLUE)});
private static boolean checkOS() {
OSInfo.OSType os = OSInfo.getOSType();
return (os.equals(OSInfo.OSType.WINDOWS) ||
os.equals(OSInfo.OSType.MACOSX));
}
public void init() { this.setLayout(new BorderLayout()); }
public void start() {
Button b = new Button("Start");
b.setEnabled(checkOS());
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 BufferedImage generateImage(int scale, Color c) {
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);
return image;
}
private static class ParentFrame extends Frame {
public ParentFrame() {
EventQueue.invokeLater(this::CreateUI);
}
private void CreateUI() {
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) { dispose(); }
});
setSize(W, H);
setLocation(50, 50);
setTitle("parent");
setResizable(false);
setVisible(true);
}
@Override
public void paint(Graphics gr) {
gr.drawImage(IMG, 0, 0, this);
}
}
private static class ChildDialog extends Dialog {
public ChildDialog(Frame f) {
super(f);
EventQueue.invokeLater(this::CreateUI);
}
private void CreateUI() {
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) { dispose(); }
});
setSize(W, H);
setTitle("child");
setResizable(false);
setModal(true);
setVisible(true);
}
@Override
public void paint(Graphics gr) {
gr.drawImage(IMG, 0, 0, this);
}
}
}
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