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/* *******************************************************************
* Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
* 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:
* PARC initial implementation
* ******************************************************************/
package figures;
import java.awt.*;
import java.awt.geom.*;
public class Line extends ShapeFigureElement {
private Point _p1;
private Point _p2;
public Line(Point p1, Point p2) {
_p1 = p1;
_p2 = p2;
}
public Point getP1() { return _p1; }
public Point getP2() { return _p2; }
public void move(int dx, int dy) {
_p1.move(dx, dy);
_p2.move(dx, dy);
}
public String toString() {
return "Line(" + _p1 + ", " + _p2 + ")";
}
/**
* Used to determine if this line {@link contains(Point2D)} a point.
*/
final static int THRESHHOLD = 5;
/**
* Returns <code>true</code> if the point segment distance is less than
* {@link THRESHHOLD}.
*/
public boolean contains(Point2D p) {
return getLine2D().ptLineDist(p) < THRESHHOLD;
}
private Line2D getLine2D() {
return new Line2D.Float((float)getP1().getX(),
(float)getP1().getY(),
(float)getP2().getX(),
(float)getP2().getY());
}
public Shape getShape() {
return getLine2D();
}
}
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