// Program: Result display program
//          In its final shape result should be depicted by two snakes
// Programmer: H K Gupta     Date: 15 July 1997
//************************************************************************

import java.awt.*;
import java.applet.Applet;

public	class HridayeshSnake extends Canvas {

	private	boolean resultIn = false;
	private	int totOne, totTwo; 
	private	Color clrOne, clrTwo;

	public  void updateResult(Color clrOne, Color clrTwo, int totOne, int totTwo) {
		this.clrOne = clrOne;
		this.clrTwo = clrTwo;
		if(totOne == totTwo) {
			this.totOne = this.totTwo = 1; // avoid divide by 0
		}
		else {
			this.totOne = totOne;
			this.totTwo = totTwo;
		}
		resultIn = true; 
		repaint();
	}

	public	void clearSnake() {
		resultIn = false;
		repaint();
	}

	public	void update(Graphics g) {
		Dimension d = size();
		g.setColor(Color.white);
		g.fillRect(0, 0, d.width, d.height);
		if(resultIn) {
			int percentOne = (100 * totOne) / (totOne + totTwo);
			drawSnake(g, clrOne, percentOne, 0);
			drawSnake(g, clrTwo, 100 - percentOne, (int)(d.width / 2));
		}
	}

	private void drawSnake(Graphics g, Color clr, int percent, int xOff) {
		Dimension d = size();
		int	faceHeight  = d.width / 2 - 4;
		int	yOff = d.height  + faceHeight - ((d.height - faceHeight) * percent) / 100;
		int	y = ((d.height - faceHeight) * percent) / 100;
		g.setColor(clr);
		g.fillRect(xOff + d.width/4 - 4, yOff, 8, y);
		drawFace(percent, g, xOff + 2, yOff - faceHeight, faceHeight);
	}

	private void drawFace(int percent, Graphics g, int xOff, int yOff, int w) {
		Dimension d = size();
		g.drawOval(xOff, yOff, w, w);
		g.fillOval(xOff + w / 5, yOff + w / 5, w / 5, w / 5);
		g.fillOval(xOff + (3 * w) / 5, yOff + w / 5, w / 5, w / 5);
		xOff += w / 5;
		yOff += (3 * w) / 5;
		if(percent > 50) // Happy face
			g.drawArc(xOff, yOff, (3 * w) / 5, w / 5, 180, 180);
		if(percent < 50) // Sad face
			g.drawArc(xOff, yOff, (3 * w) / 5, w / 5, 0, 180);
		if(percent == 50)
			g.fillRect(xOff, yOff, (3 * w) / 5, 2);
	}

	public void paint(Graphics g) {
		update(g);
	}
}