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8075942: ArrayIndexOutOfBoundsException in sun.java2d.pisces.Dasher.goTo

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Reviewed-by: flar, lbourges
This commit is contained in:
Phil Race 2015-04-17 12:32:46 -07:00
parent e79b50f322
commit 971438ead7
2 changed files with 70 additions and 1 deletions
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2
jdk/src/java.desktop/share/classes/sun/java2d/pisces/Dasher.java
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@ -146,7 +146,7 @@ final class Dasher implements sun.awt.geom.PathConsumer2D {
if (dashOn) {
if (starting) {
firstSegmentsBuffer = Helpers.widenArray(firstSegmentsBuffer,
firstSegidx, type - 2);
firstSegidx, type - 2 + 1);
firstSegmentsBuffer[firstSegidx++] = type;
System.arraycopy(pts, off, firstSegmentsBuffer, firstSegidx, type - 2);
firstSegidx += type - 2;

69
jdk/test/java/awt/BasicStroke/DashStrokeTest.java Normal file
View File

@ -0,0 +1,69 @@
/*
* Copyright (c) 2015, 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 8075942
* @summary test there is no exception rendering a dashed stroke
* @run DashStrokeTest
* @run -Dsun.java2d.renderer=sun.java2d.pisces.PiscesRenderingEngine
*/
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Stroke;
import java.awt.geom.GeneralPath;
import java.awt.image.BufferedImage;
public class DashStrokeTest {
public static void main(String[] args) {
GeneralPath shape = new GeneralPath();
int[] pointTypes = {0, 0, 1, 1, 0, 1, 1, 0};
double[] xpoints = {428, 420, 400, 400, 400, 400, 420, 733};
double[] ypoints = {180, 180, 180, 160, 30, 10, 10, 10};
shape.moveTo(xpoints[0], ypoints[0]);
for (int i = 1; i < pointTypes.length; i++) {
if (pointTypes[i] == 1 && i < pointTypes.length - 1) {
shape.quadTo(xpoints[i], ypoints[i],
xpoints[i + 1], ypoints[i + 1]);
} else {
shape.lineTo(xpoints[i], ypoints[i]);
}
}
BufferedImage image = new
BufferedImage(1000, 1000, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = image.createGraphics();
Color color = new Color(124, 0, 124, 255);
g2.setColor(color);
Stroke stroke = new BasicStroke(1.0f,
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_BEVEL,
10.0f, new float[] {9, 6}, 0.0f);
g2.setStroke(stroke);
g2.draw(shape);
}
}