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/* Copyright (C) 2000 Free Software Foundation
This file is part of libjava.
This software is copyrighted work licensed under the terms of the
Libjava License. Please consult the file "LIBJAVA_LICENSE" for
details. */
package java.awt.geom;
/**
* @author Tom Tromey <tromey@cygnus.com>
* @date April 16, 2000
*/
public abstract class Ellipse2D extends RectangularShape
{
protected Ellipse2D ()
{
}
public boolean contains (double x, double y)
{
double rx = getWidth () / 2;
double ry = getHeight () / 2;
double tx = (x - getCenterX ()) / rx;
double ty = (y - getCenterY ()) / ry;
return tx * tx + ty * ty <= 1.0;
}
public boolean contains (double x, double y, double w, double h)
{
double x2 = x + w;
double y2 = y + h;
return (contains (x, y) && contains (x, y2)
&& contains (x2, y) && contains (x2, y2));
}
public PathIterator getPathIterator (AffineTransform at)
{
// fixme;
return null;
}
public boolean intersects (double x, double y, double w, double h)
{
// fixme
return false;
}
public static class Double extends Ellipse2D
{
public double height;
public double width;
public double x;
public double y;
public Double ()
{
height = width = x = y = 0;
}
public Double (double x, double y, double w, double h)
{
this.x = x;
this.y = y;
this.height = h;
this.width = w;
}
public Rectangle2D getBounds2D ()
{
return new Rectangle2D.Double (x, y, width, height);
}
public double getHeight ()
{
return height;
}
public double getWidth ()
{
return width;
}
public double getX ()
{
return x;
}
public double getY ()
{
return y;
}
public boolean isEmpty ()
{
return height <= 0 || width <= 0;
}
public void setFrame (double x, double y, double w, double h)
{
this.x = x;
this.y = y;
this.height = h;
this.width = w;
}
}
public static class Float extends Ellipse2D
{
public float height;
public float width;
public float x;
public float y;
public Float ()
{
height = width = x = y = 0;
}
public Float (float x, float y, float w, float h)
{
this.x = x;
this.y = y;
this.height = h;
this.width = w;
}
public Rectangle2D getBounds2D ()
{
return new Rectangle2D.Float (x, y, width, height);
}
public double getHeight ()
{
return height;
}
public double getWidth ()
{
return width;
}
public double getX ()
{
return x;
}
public double getY ()
{
return y;
}
public boolean isEmpty ()
{
return height <= 0 || width <= 0;
}
public void setFrame (float x, float y, float w, float h)
{
this.x = x;
this.y = y;
this.height = h;
this.width = w;
}
public void setFrame (double x, double y, double w, double h)
{
this.x = (float) x;
this.y = (float) y;
this.height = (float) h;
this.width = (float) w;
}
}
}
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