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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/java/awt/FontClass/GlyphRotationTest.java Normal file
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/*
* Copyright (c) 2018, 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 8204929
* @summary test rotation of font with embedded bitmaps
* @run main GlyphRotationTest
*/
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
public class GlyphRotationTest {
public static final String fontName = "MS UI Gothic";
public static Font font;
public static final int SZ = 50;
public static void main(String[] args) {
font = new Font(fontName, Font.PLAIN, 15);
if (!font.getFamily(java.util.Locale.ENGLISH).equals(fontName)) {
return;
}
BufferedImage bi = new BufferedImage(SZ,SZ,BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = bi.createGraphics();
g2d.setColor(Color.white);
g2d.fillRect(0, 0, SZ, SZ);
g2d.setColor(Color.black);
g2d.setFont(font);
g2d.drawString("1", SZ/2, SZ/2);
int pixCnt1 = countPixels(bi);
AffineTransform at = AffineTransform.getRotateInstance(Math.PI/2);
font = font.deriveFont(Font.PLAIN, at);
g2d.setFont(font);
g2d.drawString("1", SZ/2, SZ/2);
int pixCnt2 = countPixels(bi);
if (args.length > 0) {
try {
ImageIO.write(bi, "png", new java.io.File("im.png"));
} catch (Exception e) {}
}
if (pixCnt1 == pixCnt2) {
String msg = "cnt 1 = " + pixCnt1 + " cnt 2 = " + pixCnt2;
throw new RuntimeException(msg);
}
}
static int countPixels(BufferedImage bi) {
int cnt = 0;
int w = bi.getWidth(null);
int h = bi.getHeight(null);
for (int i=0; i<w; i++) {
for (int j=0; j<w; j++) {
int rgb = bi.getRGB(i, j) & 0xFFFFFF;
if (rgb == 0) {
cnt++;
}
}
}
return cnt;
}
}