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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/image/DrawImage/SimpleUnmanagedImage.java Normal file
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/*
* Copyright (c) 2014, 2019, 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.
*/
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.Transparency;
import java.awt.color.ColorSpace;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.ComponentColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.DataBufferInt;
import java.awt.image.DataBufferShort;
import java.awt.image.Raster;
import java.awt.image.VolatileImage;
import java.awt.image.WritableRaster;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import static java.awt.Transparency.BITMASK;
import static java.awt.Transparency.OPAQUE;
import static java.awt.Transparency.TRANSLUCENT;
import static java.awt.image.BufferedImage.TYPE_3BYTE_BGR;
import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR;
import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR_PRE;
import static java.awt.image.BufferedImage.TYPE_BYTE_BINARY;
import static java.awt.image.BufferedImage.TYPE_BYTE_INDEXED;
import static java.awt.image.BufferedImage.TYPE_CUSTOM;
import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE;
import static java.awt.image.BufferedImage.TYPE_INT_BGR;
import static java.awt.image.BufferedImage.TYPE_INT_RGB;
/**
* @test
* @key headful
* @bug 8029253 6207877
* @summary Tests the case when unmanaged image is drawn to VI.
* Results of the blit to compatibleImage are used for comparison.
* @author Sergey Bylokhov
* @run main/othervm SimpleUnmanagedImage
* @run main/othervm -Dsun.java2d.uiScale=1 SimpleUnmanagedImage
* @run main/othervm -Dsun.java2d.uiScale=2 SimpleUnmanagedImage
*/
public final class SimpleUnmanagedImage {
// See the same test for managed images: SimpleManagedImage
private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
TYPE_4BYTE_ABGR_PRE,
/*TYPE_USHORT_565_RGB,
TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
TYPE_USHORT_GRAY,*/ TYPE_BYTE_BINARY,
TYPE_BYTE_INDEXED, TYPE_CUSTOM};
private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
public static void main(final String[] args) throws IOException {
for (final int viType : TRANSPARENCIES) {
for (final int biType : TYPES) {
BufferedImage bi = makeUnmanagedBI(biType);
fill(bi);
test(bi, viType);
}
}
}
private static void test(BufferedImage bi, int type)
throws IOException {
GraphicsEnvironment ge = GraphicsEnvironment
.getLocalGraphicsEnvironment();
GraphicsConfiguration gc = ge.getDefaultScreenDevice()
.getDefaultConfiguration();
VolatileImage vi = gc.createCompatibleVolatileImage(1000, 1000, type);
BufferedImage gold = gc.createCompatibleImage(1000, 1000, type);
// draw to compatible Image
init(gold);
Graphics2D big = gold.createGraphics();
big.drawImage(bi, 7, 11, null);
big.dispose();
// draw to volatile image
BufferedImage snapshot;
while (true) {
vi.validate(gc);
if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
try {
Thread.sleep(100);
} catch (final InterruptedException ignored) {
}
continue;
}
init(vi);
Graphics2D vig = vi.createGraphics();
vig.drawImage(bi, 7, 11, null);
vig.dispose();
snapshot = vi.getSnapshot();
if (vi.contentsLost()) {
try {
Thread.sleep(100);
} catch (final InterruptedException ignored) {
}
continue;
}
break;
}
// validate images
for (int x = 0; x < 1000; ++x) {
for (int y = 0; y < 1000; ++y) {
if (gold.getRGB(x, y) != snapshot.getRGB(x, y)) {
ImageIO.write(gold, "png", new File("gold.png"));
ImageIO.write(snapshot, "png", new File("bi.png"));
throw new RuntimeException("Test failed.");
}
}
}
}
private static BufferedImage makeUnmanagedBI(final int type) {
final BufferedImage bi;
if (type == TYPE_CUSTOM) {
bi = makeCustomUnmanagedBI();
} else {
bi = new BufferedImage(511, 255, type);
}
final DataBuffer db = bi.getRaster().getDataBuffer();
if (db instanceof DataBufferInt) {
((DataBufferInt) db).getData();
} else if (db instanceof DataBufferShort) {
((DataBufferShort) db).getData();
} else if (db instanceof DataBufferByte) {
((DataBufferByte) db).getData();
}
bi.setAccelerationPriority(0.0f);
return bi;
}
/**
* Returns the custom buffered image, which mostly identical to
* BufferedImage.(w,h,TYPE_3BYTE_BGR), but uses the bigger scanlineStride.
* This means that the raster will have gaps, between the rows.
*/
private static BufferedImage makeCustomUnmanagedBI() {
int w = 511, h = 255;
ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
int[] nBits = {8, 8, 8};
int[] bOffs = {2, 1, 0};
ColorModel colorModel = new ComponentColorModel(cs, nBits, false, false,
Transparency.OPAQUE,
DataBuffer.TYPE_BYTE);
WritableRaster raster =
Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, w, h,
w * 3 + 2, 3, bOffs, null);
return new BufferedImage(colorModel, raster, true, null);
}
private static void init(final Image image) {
final Graphics2D graphics = (Graphics2D) image.getGraphics();
graphics.setComposite(AlphaComposite.Src);
graphics.setColor(new Color(0, 0, 0, 0));
graphics.fillRect(0, 0, image.getWidth(null), image.getHeight(null));
graphics.dispose();
}
private static void fill(final Image image) {
final Graphics2D graphics = (Graphics2D) image.getGraphics();
graphics.setComposite(AlphaComposite.Src);
for (int i = 0; i < image.getHeight(null); ++i) {
graphics.setColor(new Color(i, 0, 0));
graphics.fillRect(0, i, image.getWidth(null), 1);
}
graphics.dispose();
}
}