TestUnion.java example

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openflexo-master
/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.fge.geom;

import junit.framework.TestCase;

import org.openflexo.fge.geom.FGEGeometricObject.Filling;
import org.openflexo.fge.geom.area.FGEArea;
import org.openflexo.fge.geom.area.FGEHalfPlane;
import org.openflexo.fge.geom.area.FGEUnionArea;

public class TestUnion extends TestCase {

	static FGELine line1 = new FGELine(new FGEPoint(0, 0), new FGEPoint(1, 0));
	static FGELine line2 = new FGELine(new FGEPoint(0, 0), new FGEPoint(1, 1));
	static FGERectangle rectangle = new FGERectangle(new FGEPoint(0, 0), new FGEPoint(1, 1), Filling.FILLED);
	static FGEHalfPlane hp = new FGEHalfPlane(line1, new FGEPoint(1, 1));
	static FGEPoint p1 = new FGEPoint(0, 0);
	static FGEPoint p2 = new FGEPoint(4, 0);
	static FGEPoint p3 = new FGEPoint(1, 0);
	static FGEPoint p4 = new FGEPoint(3, 0);
	static FGEPoint p5 = new FGEPoint(-2, 0);
	static FGEPoint p6 = new FGEPoint(6, 0);
	static FGEPoint p7 = new FGEPoint(2, 1);
	static FGEPoint p8 = new FGEPoint(4, 9);
	static FGEPoint p9 = new FGEPoint(6, 6);
	static FGEPoint p10 = new FGEPoint(6, 89);
	static FGEPoint p11 = new FGEPoint(632, 23);
	static FGEPoint p12 = new FGEPoint(2, 44);
	static FGESegment s1 = new FGESegment(p1, p2);
	static FGESegment s2 = new FGESegment(p3, p4);
	static FGESegment s3 = new FGESegment(p2, p3);
	static FGESegment s4 = new FGESegment(p3, p5);
	static FGESegment s5 = new FGESegment(p4, p6);
	static FGESegment s6 = new FGESegment(p7, p8);
	static FGESegment s7 = new FGESegment(p9, p10);
	static FGESegment s8 = new FGESegment(p9, p8);
	static FGESegment s9 = new FGESegment(p11, p10);
	static FGESegment s10 = new FGESegment(p11, p12);
	static FGESegment s11 = new FGESegment(p12, p1);

	public void testUnion1() {
		System.out.println("Union1: " + FGEUnionArea.makeUnion(line1, line2));
		assertEquals(new FGEUnionArea(line1, line2), FGEUnionArea.makeUnion(line1, line2));
	}

	public void testUnion2() {
		System.out.println("Union2: " + FGEUnionArea.makeUnion(rectangle, line1, p1));

		assertEquals(new FGEUnionArea(rectangle, line1), FGEUnionArea.makeUnion(rectangle, line1, p1));
	}

	public void testUnion3() {
		System.out.println("Union3: " + FGEUnionArea.makeUnion(p1, line1, rectangle, hp));

		assertEquals(hp, FGEUnionArea.makeUnion(p1, line1, rectangle, hp));
	}

	public void testUnion4() {
		System.out.println("Union4: " + FGEUnionArea.makeUnion(p1, line1, rectangle, hp, line2));

		assertEquals(new FGEUnionArea(hp, line2), FGEUnionArea.makeUnion(p1, line1, rectangle, hp, line2));
	}

	public void testSegments1() {
		assertEquals(s1, FGEUnionArea.makeUnion(s1, s2));
		assertEquals(s1, FGEUnionArea.makeUnion(s1, s3));

		assertEquals(new FGESegment(p5, p2), FGEUnionArea.makeUnion(s4, s3));
		assertEquals(new FGESegment(p2, p5), FGEUnionArea.makeUnion(new FGESegment(p5, p3), s3));

		assertEquals(new FGESegment(p5, p6), FGEUnionArea.makeUnion(s1, s2, s3, s4, s5));

	}

	public void testSegments2() {
		assertEquals(new FGEPolylin(p7, p8, p9), FGEUnionArea.makeUnion(s6, s8));
		assertEquals(new FGEPolylin(p9, p8, p7), FGEUnionArea.makeUnion(s6, s8));
		assertEquals(new FGEPolylin(p7, p8, p9, p10), FGEUnionArea.makeUnion(s6, s8, s7));
		assertEquals(new FGEPolylin(p10, p9, p8, p7), FGEUnionArea.makeUnion(s7, s6, s8));

		assertEquals(new FGEPolygon(Filling.NOT_FILLED, p7, p8, p9),
				FGEUnionArea.makeUnion(new FGESegment(p7, p9), FGEUnionArea.makeUnion(s6, s8)));
		assertEquals(new FGEPolygon(Filling.NOT_FILLED, p8, p7, p9),
				FGEUnionArea.makeUnion(new FGESegment(p7, p9), FGEUnionArea.makeUnion(s6, s8)));

		assertEquals(new FGEPolylin(p7, p8, p9, p10, p11, p12, p1), FGEUnionArea.makeUnion(s7, s6, s8, s9, s11, s10));
		assertEquals(new FGEUnionArea(new FGEPolylin(p7, p8, p9, p10), new FGEPolylin(p12, p1, p2)),
				FGEUnionArea.makeUnion(s6, s8, s11, s1, s7));
	}

	public void testSegments3() {
		FGESegment a = new FGESegment(p5, p6);
		FGESegment b = new FGESegment(p6, p7);
		FGESegment c = new FGESegment(p7, p8);
		FGESegment d = new FGESegment(p8, p5);

		FGEArea poly1 = FGEUnionArea.makeUnion(a, b);
		FGEArea poly2 = FGEUnionArea.makeUnion(b, c);
		FGEArea poly3 = FGEUnionArea.makeUnion(c, d);
		FGEArea poly4 = FGEUnionArea.makeUnion(d, a);

		System.out.println("poly1=" + poly1);
		System.out.println("poly2=" + poly2);
		System.out.println("poly3=" + poly3);
		System.out.println("poly4=" + poly4);

		System.out.println("Union=" + FGEUnionArea.makeUnion(poly1, poly2, poly3, poly4));

		/*FGEArea pp1 = FGEUnionArea.makeUnion(a,b,c);
		FGEArea pp2 = FGEUnionArea.makeUnion(c,d,a);
		
		System.out.println("pp1="+pp1);
		System.out.println("pp2="+pp2);
		
		System.out.println("2-Union="+FGEUnionArea.makeUnion(pp1,pp2));
		System.out.println("2-Union2="+pp1.union(pp2));*/

	}

}