66 lines
2.0 KiB
Java
66 lines
2.0 KiB
Java
/*
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* Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4217589
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* @summary Verifies that a particular case of Polygon subtraction
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* correctly calculates the ordering of the Polygon edges.
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*/
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import java.awt.geom.Area;
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import java.awt.geom.GeneralPath;
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public class PolygonSubtract {
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public static void main(String argv[]) {
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Area area = new Area();
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GeneralPath ring1 = new GeneralPath();
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ring1.moveTo(0, 45);
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ring1.lineTo(90, 0);
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ring1.lineTo(60, -45);
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ring1.lineTo(-60, -45);
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ring1.lineTo(-90, 0);
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ring1.closePath();
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area.add(new Area(ring1));
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GeneralPath ring2 = new GeneralPath();
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ring2.moveTo(0, 20);
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ring2.lineTo(100, 0);
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ring2.lineTo(30, -20);
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ring2.lineTo(-30, -20);
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ring2.lineTo(-100, 0);
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ring2.closePath();
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area.subtract(new Area(ring2));
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if (!area.contains(50, 13, 2, 2)) {
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throw new RuntimeException("Area subtraction failed!");
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}
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}
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}
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