/*
* Copyright ( c ) 2004 , 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
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* questions .
*/
/*
* @ test
* @ bug 5089985
* @ summary Test checks that drawing AA lines don ' t crash the VM
*/
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.GeneralPath;
import java.awt.image.BufferedImage;
public class AALineTest {
/* Pairs of endpoints which cause VM crash */
public static int xBound [][] = {
{634 ,25 ,640 ,33 },
{634 ,57 ,640 ,65 },
{634 ,89 ,640 ,97 },
{634 ,121 ,640 ,129 },
{634 ,153 ,640 ,161 },
{634 ,185 ,640 ,193 },
{634 ,217 ,640 ,225 },
{634 ,249 ,640 ,257 },
{634 ,281 ,640 ,289 },
{634 ,313 ,640 ,321 },
{634 ,345 ,640 ,353 },
{634 ,377 ,640 ,385 },
{634 ,409 ,640 ,417 },
{634 ,441 ,640 ,449 }
};
public static int yBound [][] = {
{25 , 634 ,33 , 640 },
{57 , 634 ,65 , 640 },
{89 , 634 ,97 , 640 },
{121 ,634 ,129 ,640 },
{153 ,634 ,161 ,640 },
{185 ,634 ,193 ,640 },
{217 ,634 ,225 ,640 },
{249 ,634 ,257 ,640 },
{281 ,634 ,289 ,640 },
{313 ,634 ,321 ,640 },
{345 ,634 ,353 ,640 },
{377 ,634 ,385 ,640 },
{409 ,634 ,417 ,640 },
{441 ,634 ,449 ,640 }
};
public static void main(String[] args) {
BufferedImage image =
new BufferedImage(640 , 480 , BufferedImage.TYPE_INT_ARGB);
Graphics2D graphics = image.createGraphics();
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
GeneralPath path = new GeneralPath();
for (int i=0 ; i < xBound.length; i++) {
path.reset();
path.moveTo(0 , 0 );
path.lineTo(xBound[i][0 ],xBound[i][1 ]);
path.lineTo(xBound[i][2 ],xBound[i][3 ]);
path.closePath();
graphics.draw(path);
}
image = new BufferedImage(480 , 640 , BufferedImage.TYPE_INT_ARGB);
graphics = image.createGraphics();
graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
for (int i=0 ; i < yBound.length; i++) {
path.reset();
path.moveTo(0 , 0 );
path.lineTo(yBound[i][0 ],yBound[i][1 ]);
path.lineTo(yBound[i][2 ],yBound[i][3 ]);
path.closePath();
graphics.draw(path);
}
}
}
Messung V0.5 in Prozent C=91 H=95 G=92
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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