annotate java/src/uk/ac/qmul/eecs/ccmi/gui/GraphElement.java @ 0:9418ab7b7f3f

Initial import

/*  
 CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
  
 Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package uk.ac.qmul.eecs.ccmi.gui;

import java.awt.Graphics2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;


/**
 * An interface implemented by {@link Node} and {@link Edge} and it defines methods that 
 * both the classes implements as they're object painted on a graph. The interface is used mainly
 * for convenience in treating the two types of object in a unified way.  
 *
 */
public interface GraphElement {
	public void draw(Graphics2D g2);

	public void translate(Point2D p, double dx, double dy);

	public void stopMove();
	
	public void startMove(Point2D p);
	
	public Rectangle2D getBounds();
	
	public Point2D getConnectionPoint(Direction d);
	
	public boolean contains(Point2D p);
	
}