/*******************************************************************************
* Copyright (c) 2000, 2010, 2012 IBM Corporation, Gerhardt Informatics Kft. and others.
* 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
*
* Contributors:
* IBM Corporation - initial API and implementation
* Alex Selkov - Fix for Bug# 22701
* Gerhardt Informatics Kft. - GEFGWT port
*******************************************************************************/
package org.eclipse.draw2d;
import org.eclipse.draw2d.geometry.Rectangle;
/**
* An figure that draws an ellipse filling its bounds.
*/
public class Ellipse extends Shape {
/**
* Constructs a new Ellipse with the default values of a Shape.
*
* @since 2.0
*/
public Ellipse() {
}
/**
* Returns <code>true</code> if the given point (x,y) is contained within
* this ellipse.
*
* @param x
* the x coordinate
* @param y
* the y coordinate
* @return <code>true</code>if the given point is contained
*/
public boolean containsPoint(int x, int y) {
if (!super.containsPoint(x, y)) {
return false;
} else {
Rectangle r = getBounds();
long ux = x - r.x - r.width / 2;
long uy = y - r.y - r.height / 2;
return ((ux * ux) << 10) / (r.width * r.width) + ((uy * uy) << 10)
/ (r.height * r.height) <= 256;
}
}
/**
* Fills the ellipse.
*
* @see org.eclipse.draw2d.Shape#fillShape(org.eclipse.draw2d.Graphics)
*/
protected void fillShape(Graphics graphics) {
graphics.fillOval(getBounds());
}
/**
* Outlines the ellipse.
*
* @see org.eclipse.draw2d.Shape#outlineShape(org.eclipse.draw2d.Graphics)
*/
protected void outlineShape(Graphics graphics) {
// SzI
// float lineInset = Math.max(1.0f, getLineWidthFloat()) / 2.0f;
// int inset1 = (int) Math.floor(lineInset);
// int inset2 = (int) Math.ceil(lineInset);
// Rectangle r = Rectangle.SINGLETON.setBounds(getBounds());
// r.x += inset1;
// r.y += inset1;
// r.width -= inset1 + inset2;
// r.height -= inset1 + inset2;
graphics.drawOval(getBounds());
}
}