// (c) 1998 duane a. bailey
import java.awt.Color;
import element.*;

public class ColorDemo
{
    static DrawingWindow d;
    static void explain(java.awt.Color cl)
    {
        System.out.println("R="+(cl.getRed()/255d));
        System.out.println("G="+cl.getGreen()/255d);
        System.out.println("B="+cl.getBlue()/255d);
        System.out.println();
    }

    public static void main(String args[])
    {
        // draw mystic symbol
        d = new DrawingWindow();
        d.hold();
        // draw half-gray, half-black circle
        d.setForeground(Color.black);
        d.fill(new Arc(50,50,100,100,90,180));
        d.setForeground(Color.gray);
        d.fill(new Arc(50,50,100,100,-90,180));
        // add upper and lower discs
        d.setForeground(Color.black);
        d.fill(new Oval(75,50,50,50));
        d.setForeground(Color.gray);
        d.fill(new Oval(75,100,50,50));
        /* This part, below, commented out.
        // draw mystic symbol
        d = new DrawingWindow();
        d.hold();
        d.setForeground(Color.black);
        d.setBackground(Color.gray);
        // draw half-black (fill), half-gray (clear) circle
        d.fill(new Arc(50,50,100,100,90,180));
        d.clear(new Arc(50,50,100,100,-90,180));
        // add upper and lower discs
        d.fill(new Oval(75,50,50,50));
        d.clear(new Oval(75,100,50,50));
        */
        d.release();
    }
}