| /* 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; |
| } |
| } |
| } |