engineering/java-topology
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

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

Browse source 
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
70422 changed files with 17213626 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

173
test/jdk/sun/java2d/OpenGL/DrawBitmaskImage.java Normal file
View file

@ -0,0 +1,173 @@
/*
* Copyright (c) 2004, 2025, 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 6248561 6264014
* @key headful
* @requires (os.family != "mac")
* @summary Verifies that bitmask image copies work properly with the
* OGL pipeline when a SrcOver composite with extra alpha is involved.
* @run main/othervm -Dsun.java2d.opengl=True DrawBitmaskImage
* @run main/othervm DrawBitmaskImage
*/
/*
* @test
* @bug 6248561 6264014
* @key headful
* @requires (os.family == "mac")
* @summary Verifies that bitmask image copies work properly with the
* OGL pipeline when a SrcOver composite with extra alpha is involved.
* @run main/othervm -Dsun.java2d.opengl=True DrawBitmaskImage
* @run main/othervm DrawBitmaskImage
*/
import java.awt.AlphaComposite;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Transparency;
import java.awt.Robot;
import java.awt.image.BufferedImage;
import java.awt.image.IndexColorModel;
import java.io.File;
import javax.imageio.ImageIO;
public class DrawBitmaskImage extends Panel {
static final int TESTW = 200, TESTH = 200;
private static volatile DrawBitmaskImage test;
private static volatile Frame frame;
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D)g;
g2d.setColor(Color.black);
g2d.fillRect(0, 0, getWidth(), getHeight());
g2d.setComposite(AlphaComposite.SrcOver.derive(0.50f));
BufferedImage img = getGraphicsConfiguration().createCompatibleImage(50, 50,
Transparency.BITMASK);
Graphics2D gimg = img.createGraphics();
gimg.setComposite(AlphaComposite.Src);
gimg.setColor(new Color(0, 0, 0, 0));
gimg.fillRect(0, 0, 50, 50);
gimg.setColor(Color.red);
gimg.fillRect(10, 10, 30, 30);
gimg.dispose();
g2d.drawImage(img, 10, 10, null);
// draw a second time to ensure that the cached copy is used
g2d.drawImage(img, 80, 10, null);
}
public Dimension getPreferredSize() {
return new Dimension(TESTW, TESTH);
}
static void createUI() {
test = new DrawBitmaskImage();
frame = new Frame("OpenGL DrawBitmaskImage Test");
Panel p = new Panel();
p.add(test);
frame.add(p);
frame.setSize(TESTW+100, TESTH+100);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
public static void main(String[] args) throws Exception {
Robot robot = new Robot();
EventQueue.invokeAndWait(DrawBitmaskImage::createUI);
robot.waitForIdle();
robot.delay(2000);
BufferedImage capture = null;
try {
GraphicsConfiguration gc = frame.getGraphicsConfiguration();
if (gc.getColorModel() instanceof IndexColorModel) {
System.out.println("IndexColorModel detected: " +
"test considered PASSED");
return;
}
Point pt1 = test.getLocationOnScreen();
Rectangle rect = new Rectangle(pt1.x, pt1.y, TESTW, TESTH);
capture = robot.createScreenCapture(rect);
} finally {
if (frame != null) {
EventQueue.invokeAndWait(frame::dispose);
}
}
// Test background color
int pixel = capture.getRGB(5, 10);
if (pixel != 0xff000000) {
saveImage(capture);
throw new RuntimeException("Failed: Incorrect color for " +
"background (actual=" +
Integer.toHexString(pixel) + ")");
}
// Test pixels (allow for small error in the actual red value)
pixel = capture.getRGB(25, 25);
System.out.println("pixel1 is " + Integer.toHexString(pixel));
if ((pixel < 0xff7e0000) || (pixel > 0xff900000)) {
saveImage(capture);
throw new RuntimeException("Failed: Incorrect color for " +
"first pixel (actual=" +
Integer.toHexString(pixel) + ")");
}
pixel = capture.getRGB(95, 25);
System.out.println("pixel2 is " + Integer.toHexString(pixel));
if ((pixel < 0xff7e0000) || (pixel > 0xff900000)) {
saveImage(capture);
throw new RuntimeException("Failed: Incorrect color for " +
"second pixel (actual=" +
Integer.toHexString(pixel) + ")");
}
}
static void saveImage(BufferedImage img) {
try {
File file = new File("capture.png");
ImageIO.write(img, "png", file);
} catch (Exception e) {
e.printStackTrace();
}
}
}