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Common Java classes to extend the InfoVis library prefuse

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package ieg.prefuse.renderer;

import java.awt.Shape;

import prefuse.render.ShapeRenderer;

/**
 * 
 * 
 * 
 * Added:          / TL

 * Modifications: 
 * 
 * 
 * @author Tim Lammarsch
 *
 */
public class ExtendedShapeRenderer extends ShapeRenderer {
		
    public static final int SHAPE_LEFT_BRACKET = 256;
    public static final int SHAPE_RIGHT_BRACKET = 257;
	
    public ExtendedShapeRenderer() {
    	super();
    }
    
    /**
     * Creates a new ShapeRenderer with given base size.
     * @param size the base size in pixels
     */
    public ExtendedShapeRenderer(int size) {
       super(size);
    }
    
	/* (non-Javadoc)
	 * @see prefuse.render.ShapeRenderer#extendedShape(int, double, double, double, double)
	 */
	@Override
	protected Shape extendedShape(int stype, double x, double y, double width,double height) {		
		switch(stype) {
		case SHAPE_LEFT_BRACKET:
			return leftBracket(x,y,width,height); 
		case SHAPE_RIGHT_BRACKET:
			return rightBracket(x,y,width,height); 
		default:
			throw new IllegalStateException("Unknown shape type: "+stype);
		}
	}

	private Shape leftBracket(double x, double y, double width, double height) {
        m_path.reset();
        m_path.moveTo(x+width,y);
        m_path.lineTo(x,y);
        m_path.lineTo(x,y+height);
        m_path.lineTo(x+width,y+height);
        return m_path;
	}
	
	private Shape rightBracket(double x, double y, double width, double height) {
        m_path.reset();
        m_path.moveTo(x,y);
        m_path.lineTo(x+width,y);
        m_path.lineTo(x+width,y+height);
        m_path.lineTo(x,y+height);
        return m_path;
	}
}