jcckit.graphic.Rectangle Maven / Gradle / Ivy
/*
* Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details
* (http://www.gnu.org/copyleft/lesser.html).
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package jcckit.graphic;
/**
* A rectangle.
*
* @author Franz-Josef Elmer
*/
public class Rectangle extends BasicGraphicalElement {
private final GraphPoint _center;
private final double _width;
private final double _height;
/**
* Creates a new instance.
* @param center The position of the center of this element.
* @param width The width.
* @param height The height.
* @param attributes Drawing attributes. Can be null.
*/
public Rectangle(GraphPoint center, double width, double height,
GraphicAttributes attributes) {
super(attributes);
_center = center;
_width = width;
_height = height;
}
/** Returns the center of this element. */
public GraphPoint getCenter() {
return _center;
}
/** Returns the width of this element. */
public double getWidth() {
return _width;
}
/** Returns the height of this element. */
public double getHeight() {
return _height;
}
/**
* Renders this rectangle with the specified {@link Renderer}.
* @param renderer An instance of {@link RectangleRenderer}.
* @throws IllegalArgumentException if renderer is not
* an instance of RectangleRenderer.
*/
public void renderWith(Renderer renderer) {
if (renderer instanceof RectangleRenderer) {
((RectangleRenderer) renderer).render(this);
} else {
throw new IllegalArgumentException(renderer
+ " does not implements RectangleRenderer.");
}
}
}