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.
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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
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22  */
23 
24 /*
25  * @test
26  * @bug 8151385
27  * @summary JOptionPane icons are cropped on Windows 10 with HiDPI display
28  * @author Hendrik Schreiber
29  * @requires os.family == "windows"
30  * @modules java.desktop/sun.awt.shell
31  * @run main BadHiDPIIcon
32  */
33 import java.awt.Image;
34 import java.awt.image.BufferedImage;
35 import java.awt.image.MultiResolutionImage;
36 import sun.awt.shell.ShellFolder;
37 
38 public class BadHiDPIIcon {
39 
40     public static void main(String[] args) {
41         // the error icon is round and in all four corner transparent
42         // we check that all corners are identical
43         Image icon = (Image) ShellFolder.get("optionPaneIcon Error");
44         final BufferedImage image = getBufferedImage(icon);
main(String[] args)45         final int upperLeft = image.getRGB(0, 0);
46         final int upperRight = image.getRGB(image.getWidth() - 1, 0);
47         final int lowerLeft = image.getRGB(0, image.getHeight() - 1);
48         final int lowerRight = image.getRGB(image.getWidth() - 1, image.getHeight() - 1);
49         if (upperLeft != upperRight || upperLeft != lowerLeft || upperLeft != lowerRight) {
50             throw new RuntimeException("optionPaneIcon Error is not a round icon with transparent background.");
checkOps()51         }
52     }
53 
54     private static BufferedImage getBufferedImage(Image image) {
55         if (image instanceof MultiResolutionImage) {
56             MultiResolutionImage mrImage = (MultiResolutionImage) image;
57             return (BufferedImage) mrImage.getResolutionVariant(32, 32);
58         }
59         return (BufferedImage) image;
60     }
61 }
62