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/*
* Copyright (c) 2006, 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 4632108
* @summary Verifies that the Area transform methods maintain double precision
*/
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import java.awt.geom.Area;
public class TransformPrecision {
public static void main(String argv[]) {
int x = 1 << 27;
int y = 1 << 26;
AffineTransform tx = AffineTransform.getTranslateInstance(x, y);
AffineTransform untx = AffineTransform.getTranslateInstance(-x, -y);
Rectangle r = new Rectangle(10, 10, 20, 20);
Area a = new Area(r);
Area b = new Area(r);
b.transform(tx);
b.transform(untx);
if (!a.equals(b)) {
throw new RuntimeException("large translation hurt precision!");
}
b = a.createTransformedArea(tx);
b = b.createTransformedArea(untx);
if (!a.equals(b)) {
throw new RuntimeException("large translation hurt precision!");
}
}
}
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