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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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test/jdk/java/awt/FontClass/LCDScale.java Normal file
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/*
* Copyright (c) 2010, 2011, 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.
*/
/*
*
* @bug 6925760
* @summary Scaled graphics causes overlapped LCD glyphs on Windows
*/
import java.awt.*;
import java.awt.font.*;
import java.awt.geom.*;
public class LCDScale extends Component {
public static void main(String args[]) {
Frame f = new Frame("TL TEST");
LCDScale td = new LCDScale();
f.add("Center", td);
f.pack(); f.setVisible(true);
}
public LCDScale() {
super();
}
public Dimension getPreferredSize() {
return new Dimension(500,500);
}
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D)g;
g2d.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
Font f = new Font("Dialog", Font.PLAIN, 40);
g.setFont(f);
FontRenderContext frc = g2d.getFontRenderContext();
GlyphVector gv = f.createGlyphVector(frc, "Help");
g2d.drawGlyphVector(gv, 10f, 50f);
Rectangle2D bds1 = gv.getLogicalBounds();
f = new Font("Arial", Font.PLAIN, 25);
g.setFont(f);
double s = 2.0;
AffineTransform tx = AffineTransform.getScaleInstance(s,s);
g2d.transform(tx);
frc = g2d.getFontRenderContext();
gv = f.createGlyphVector(frc, "Help");
g2d.drawGlyphVector(gv, 10f, 100f);
Rectangle2D bds2 = gv.getLogicalBounds();
System.out.println(bds1);
System.out.println(bds2);
if (bds2.getWidth()*s < bds1.getWidth()) {
throw new RuntimeException("Bounds too small");
}
}
}