import java.awt.Graphics;
import java.util.Iterator;

/**
 * Oops, only draws r-disk graph
 * @author mds
 *
 */
public class DrawGraphLightly implements IDrawAgent {

	float [] m_fDash;
	
	
	public DrawGraphLightly() {
		m_fDash = new float[20];
		int i;
		for(i = 0; i < 10; ++i) {
			m_fDash[i] = 1.0f;
		}
		for(; i < 20; ++i) {
			m_fDash[i] = 0.0f;
		}
	}
	
	
	
	public void draw(Graphics g, IProjection p, double[] pts,
			StateBundle[] arrAgentStates,
			CommGraph currGraph) {
		// TODO Auto-generated method stub
		
		int nThick = globalsUI.getInstance().getLineThickness();
		try {
			
			java.awt.Graphics2D gCast = 
				(java.awt.Graphics2D)g;
			java.awt.BasicStroke stroke = 
				new java.awt.BasicStroke(Math.max(0.25f, nThick-2),
						java.awt.BasicStroke.CAP_ROUND,
						java.awt.BasicStroke.JOIN_ROUND,
						1.0f, m_fDash, 1.0f);
			
			gCast.setStroke(stroke);
			
			for(int i = 0; i < arrAgentStates.length; ++i) {
		    	
		    	g.setColor(globalsUI.getColorMap().getColor(3));
			    Iterator<CommLink> iterTo = currGraph.getEdgesTo(i);
			    while(iterTo.hasNext()) {
				CommLink l = iterTo.next();
				g.drawLine(p.getScreenComp(0,pts, 2*l.to()),
					   p.getScreenComp(1,pts, 2*l.to()),
					   p.getScreenComp(0,pts, 2*l.from()),
					   p.getScreenComp(1,pts, 2*l.from()));
			    
			    }
			}
			
			
			globalsUI.getInstance().applyLineThickness(g);
			
		} catch(Exception e) {
			// System.err.println("Tried to set line thickness on a graphics context other than Graphics2D\n");
		}

	}

}