/*
* Copyright ( c ) 1999 , 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 4217589
* @ summary Verifies that a particular case of Polygon subtraction
* correctly calculates the ordering of the Polygon edges .
*/
import java.awt.geom.Area;
import java.awt.geom.GeneralPath;
public class PolygonSubtract {
public static void main(String argv[]) {
Area area = new Area();
GeneralPath ring1 = new GeneralPath();
ring1.moveTo(0 , 45 );
ring1.lineTo(90 , 0 );
ring1.lineTo(60 , -45 );
ring1.lineTo(-60 , -45 );
ring1.lineTo(-90 , 0 );
ring1.closePath();
area.add(new Area(ring1));
GeneralPath ring2 = new GeneralPath();
ring2.moveTo(0 , 20 );
ring2.lineTo(100 , 0 );
ring2.lineTo(30 , -20 );
ring2.lineTo(-30 , -20 );
ring2.lineTo(-100 , 0 );
ring2.closePath();
area.subtract(new Area(ring2));
if (!area.contains(50 , 13 , 2 , 2 )) {
throw new RuntimeException("Area subtraction failed!" );
}
}
}
Messung V0.5 in Prozent C=91 H=96 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland