import java.awt.Graphics;


public class Circle extends GraphicsFunction {


    protected void drawClear( Graphics g ) {
	int prevWidth  = Math.abs( startPoint.x - prevPoint.x );
	int prevHeight = Math.abs( startPoint.y - prevPoint.y );

	int prevX = (startPoint.x < prevPoint.x) ? startPoint.x :
	    prevPoint.x;
	int prevY = (startPoint.y < prevPoint.y) ? startPoint.y :
	    prevPoint.y;

	g.drawOval(prevX, prevY, prevWidth, prevHeight);
    }

    protected void drawFinal( Graphics g ) {
	int currWidth  = Math.abs( startPoint.x - currPoint.x );
	int currHeight = Math.abs( startPoint.y - currPoint.y );

	int currX = (startPoint.x < currPoint.x) ? startPoint.x :
	    currPoint.x;
	int currY = (startPoint.y < currPoint.y) ? startPoint.y :
	    currPoint.y;

	g.drawOval(currX, currY, currWidth, currHeight);
    }

}