/*
 * Copyright (c) 2012 Diamond Light Source Ltd.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */

package org.eclipse.dawnsci.analysis.dataset.roi.json;

import java.util.Arrays;

public class EllipticalROIBean extends ROIBean {

	public static final String TYPE = "EllipticalROI";
	private double[] semiAxes; // semi-axes
	private double angle; // angles in radians

	public EllipticalROIBean() {
		this.type = TYPE;
	}

	/**
	 * @return Returns reference to the semi-axes
	 */
	public double[] getSemiAxes() {
		return semiAxes;
	}

	/**
	 * Set semi-axis values
	 * @param semiAxis
	 */
	public void setSemiAxes(double[] semiAxis) {
		this.semiAxes = semiAxis;
	}

	/**
	 * @return Returns the angle
	 */
	public double getAngle() {
		return angle;
	}

	/**
	 * @param angle The major axis angle to set
	 */
	public void setAngle(double angle) {
		this.angle = angle;
	}

	@Override
	public String toString() {
		if (semiAxes[0] == semiAxes[1]) {
			return super.toString() + String.format("point=%s, radius=%g, angle=%g", Arrays.toString(getStartPoint()), semiAxes[0], getAngle());
		}
		return super.toString() + String.format("point=%s, semiaxes=%s, angle=%g", Arrays.toString(getStartPoint()), Arrays.toString(semiAxes), getAngle());
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = super.hashCode();
		long temp;
		temp = Double.doubleToLongBits(angle);
		result = prime * result + (int) (temp ^ (temp >>> 32));
		result = prime * result + Arrays.hashCode(semiAxes);
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (!super.equals(obj))
			return false;
		if (getClass() != obj.getClass())
			return false;
		EllipticalROIBean other = (EllipticalROIBean) obj;
		if (Double.doubleToLongBits(angle) != Double.doubleToLongBits(other.angle))
			return false;
		if (!Arrays.equals(semiAxes, other.semiAxes))
			return false;
		return true;
	}

}