/* ========================================================================
 * 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.cute;

import java.awt.geom.Point2D;

import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UPath;

public class Rectangle implements CuteShape {

	private final double width;
	private final double height;
	private final RotationZoom rotationZoom;
	private final double curvation;

	public Rectangle(VarArgs varArgs) {
		final Point2D dim = varArgs.getAsPoint("dimension");
		this.width = dim.getX();
		this.height = dim.getY();
		this.rotationZoom = RotationZoom.none();
		this.curvation = varArgs.getAsDouble("curve", MyPoint2D.NO_CURVE);
	}

	private Rectangle(double width, double height, RotationZoom rotationZoom, double curvation) {
		this.width = width;
		this.height = height;
		this.rotationZoom = rotationZoom;
		this.curvation = curvation;
	}

	public void drawU(UGraphic ug) {
		CutePath cutePath = new CutePath();
		cutePath.add(new Arc(MyPoint2D.from(0, 0).withCurvation(curvation), MyPoint2D.from(width, 0).withCurvation(
				curvation)));
		cutePath.add(new Arc(MyPoint2D.from(width, 0).withCurvation(curvation), MyPoint2D.from(width, height)
				.withCurvation(curvation)));
		cutePath.add(new Arc(MyPoint2D.from(width, height).withCurvation(curvation), MyPoint2D.from(0, height)
				.withCurvation(curvation)));
		cutePath.add(new Arc(MyPoint2D.from(0, height).withCurvation(curvation), MyPoint2D.from(0, 0).withCurvation(
				curvation)));
		cutePath = cutePath.rotateZoom(rotationZoom);
		cutePath.drawU(ug);
	}

	public void drawUOld(UGraphic ug) {
		final UPath path = new UPath();
		if (curvation == MyPoint2D.NO_CURVE) {
			path.moveTo(rotationZoom.getPoint(0, 0));
			path.lineTo(rotationZoom.getPoint(width, 0));
			path.lineTo(rotationZoom.getPoint(width, height));
			path.lineTo(rotationZoom.getPoint(0, height));
			path.lineTo(rotationZoom.getPoint(0, 0));
		} else {
			path.moveTo(rotationZoom.getPoint(width, curvation));
			path.lineTo(rotationZoom.getPoint(width, height - curvation));
			path.arcTo(rotationZoom.getPoint(width - curvation, height), curvation, 0, 1);
			path.lineTo(rotationZoom.getPoint(curvation, height));
			path.arcTo(rotationZoom.getPoint(0, height - curvation), curvation, 0, 1);
			path.lineTo(rotationZoom.getPoint(0, curvation));
			path.arcTo(rotationZoom.getPoint(curvation, 0), curvation, 0, 1);
			path.lineTo(rotationZoom.getPoint(width - curvation, 0));
			path.arcTo(rotationZoom.getPoint(width, curvation), curvation, 0, 1);
		}
		path.closePath();
		ug.draw(path);
	}

	public Rectangle rotateZoom(RotationZoom other) {
		return new Rectangle(width, height, rotationZoom.compose(other), curvation);
	}

}