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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/sun/awt/shell/BadHiDPIIcon.java Normal file
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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 8151385
* @summary JOptionPane icons are cropped on Windows 10 with HiDPI display
* @author Hendrik Schreiber
* @requires os.family == "windows"
* @modules java.desktop/sun.awt.shell
* @run main BadHiDPIIcon
*/
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.MultiResolutionImage;
import sun.awt.shell.ShellFolder;
public class BadHiDPIIcon {
public static void main(String[] args) {
// the error icon is round and in all four corner transparent
// we check that all corners are identical
Image icon = (Image) ShellFolder.get("optionPaneIcon Error");
final BufferedImage image = getBufferedImage(icon);
final int upperLeft = image.getRGB(0, 0);
final int upperRight = image.getRGB(image.getWidth() - 1, 0);
final int lowerLeft = image.getRGB(0, image.getHeight() - 1);
final int lowerRight = image.getRGB(image.getWidth() - 1, image.getHeight() - 1);
if (upperLeft != upperRight || upperLeft != lowerLeft || upperLeft != lowerRight) {
throw new RuntimeException("optionPaneIcon Error is not a round icon with transparent background.");
}
}
private static BufferedImage getBufferedImage(Image image) {
if (image instanceof MultiResolutionImage) {
MultiResolutionImage mrImage = (MultiResolutionImage) image;
return (BufferedImage) mrImage.getResolutionVariant(32, 32);
}
return (BufferedImage) image;
}
}