/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2017, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://plantuml.com/paypal
 * 
 * This file is part of PlantUML.
 *
 * PlantUML 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.
 *
 * PlantUML 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 this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 * 
 *
 */
package net.sourceforge.plantuml.ugraphic;

import java.awt.geom.AffineTransform;
import java.awt.geom.Point2D;
import java.util.Arrays;

public class USegment {

	private final double coord[];
	private final USegmentType pathType;

	public USegment(double[] coord, USegmentType pathType) {
		this.coord = coord.clone();
		this.pathType = pathType;
	}

	@Override
	public String toString() {
		return pathType.toString() + " " + Arrays.toString(coord);
	}

	public final double[] getCoord() {
		return coord;
	}

	public final USegmentType getSegmentType() {
		return pathType;
	}

	public USegment translate(double dx, double dy) {
		if (coord.length != 2) {
			throw new UnsupportedOperationException();
		}
		Point2D p1 = new Point2D.Double(coord[0] + dx, coord[1] + dy);
		return new USegment(new double[] { p1.getX(), p1.getY() }, pathType);
	}

	public USegment rotate(double theta) {
		if (coord.length != 2) {
			throw new UnsupportedOperationException();
		}
		Point2D p1 = new Point2D.Double(coord[0], coord[1]);
		final AffineTransform rotate = AffineTransform.getRotateInstance(theta);
		rotate.transform(p1, p1);
		return new USegment(new double[] { p1.getX(), p1.getY() }, pathType);
	}

}