///////    PieSec.java    ///////
import java.awt.*;

/** Draws a color pie chart:
    with a section, indexed sec, raised
*/
public class PieSec extends PiePlot
{   public PieSec(int n, double[] perc,
                  Color[] c, int r)
    {   super(n, perc, c);
        if (r>0) rise = r;   // raise r pixels
    }

    protected PieSec() { }

    public void section(int i)
    {  if ( sec != i && i >= 0 && i < items )
       {    sec = i;  
            repaint(); 
       }
    }

    public void paint(Graphics g)  // override
    {   Color t = color[sec];
        color[sec] = shaded(t, 0.8);
        super.paint(g);
        int j = Math.min(y0, rise);
        g.setColor(color[sec]);
        for (int i=1; i < j; i++)
        {  g.fillArc(x0, y0-i, w, h, 
                     ang0[sec], ang1[sec]);
        }
        g.setColor(color[sec]=t);
        g.fillArc(x0, y0-j, w, h, 
                  ang0[sec], ang1[sec]);
    }

    public Color shaded(Color c, double s)
    {  return new Color
          ( (int) (s*c.getRed()),
            (int) (s*c.getGreen()),
            (int) (s*c.getBlue()));
    }

    int sec=0;
    int rise = 12;
}