import java.applet.*;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;



public class hw1_schoen extends Applet
{
	BufferedImage img;
	public int t1=20;
	public int t2=30;
	public int i,j;
    public void init() {
        // Load image
//    	image = getImage(getCodeBase(),"me.jpg");
//    	imgi=new ImageIcon(image);
//    	resize(imgi.getIconWidth(),imgi.getIconHeight());
    	try {
    		File f = new File("C:\\Users\\Matt\\workspace\\facedetect\\bin\\me.jpg");
			img=ImageIO.read(f);
//			//File w = new File("C:\\Users\\Matt\\workspace\\facedetect\\bin\\proc3.jpg");
//			//BufferedImage img1=colorImage(30,getSkinColor(30,img),img);
//			//ImageIO.write(img1, "jpeg", w);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			System.out.println("blah");
		}
resize(img.getWidth(),img.getHeight());
	}
    public void update(Graphics g)
    {
    	paint(g);
    }
    public void paint(Graphics g) {
        // Draw image
    	//Graphics2D g2 = (Graphics2D)g;
        //g.drawImage(img, 0, 0, null);
    	//g.setColor(Color.black);
    	//g.drawImage(colorImage(20,getSkinColor(30,img),img),0,0,this);
    	//g.setFont(new Font("Helvetica",Font.ITALIC,600));
    	//g.fillRect(10, 10, 50, 50);
    	for(i=15;i<45;i++)
    	{
    		try {
        		File f = new File("C:\\Users\\Matt\\workspace\\facedetect\\bin\\me.jpg");
    			img=ImageIO.read(f);
    		} catch (IOException e) {
    			System.out.println("blah");
    		}
			g.drawImage(colorImage(i,getSkinColor(30,img),img),0,0,this);
			g.setColor(Color.white);
			//g.setColor(Color.black);
			g.drawString("Color Threshold: "+i, 10, 12);
			for(int j=0;j<5000;j++)
			{
				j++;
				j--;
			}
			//g.drawString("Color Threshold: "+j, 10, 24);
			//System.out.println("thresh1="+j+"  thresh2="+i);
    	}
    }
	    public BufferedImage colorImage(int thresh1, Color skin, BufferedImage image)
	    {
    	for(int i=0;i<image.getWidth();i++)
    	{
    		for(int j=0;j<image.getHeight();j++)
    		{
    			Color col=new Color(image.getRGB(i,j));
	    		if((Math.abs(col.getRed()-skin.getRed())>thresh1)&&(Math.abs(col.getGreen()-skin.getGreen())>thresh1)&&(Math.abs(col.getBlue()-skin.getBlue())>thresh1))
	    		{
	    			image.setRGB(i,j,Color.black.getRGB());
	    		}
    		}
    	}
    	return image;
    }
    public Color getSkinColor(int thresh, BufferedImage image)
    {
    	int height=img.getHeight();
    	int width=img.getWidth();
    	int posx=(width/2)-2;
    	int posy=(height/2)-2;
    	//int[][] pixels = new int[5][5];
    	Color max=Color.black;
    	Color avg=Color.black;
    	for(int i=0;i<5;i++)
    	{
    		for(int j=0;j<5;j++)
    		{
	    		//pixels[i][j]=img.getRGB(posx,posy);
	    		Color col=new Color(img.getRGB(posx,posy));
	    		if(col.getRed()>max.getRed())
	    			max= new Color(col.getRed(),max.getGreen(),max.getBlue());
	    		if(col.getGreen()>max.getGreen())
	    			max= new Color(max.getRed(),col.getGreen(),max.getBlue());
	    		if(col.getBlue()>max.getBlue())
	    			max= new Color(max.getRed(),max.getGreen(),col.getBlue());
		    	posy++;
    		}
    		posx++;
    	}
    	for(int i=0;i<5;i++)
    	{
    		for(int j=0;j<5;j++)
    		{
    			Color col=new Color(img.getRGB(posx,posy));
	    		if((max.getRed()-col.getRed()<=thresh)&&(max.getGreen()-col.getGreen()<=thresh)&&(max.getBlue()-col.getBlue()<=thresh))
	    		{
	    			if(avg.equals(Color.black))
	    				avg=col;
	    			else
	    				avg=new Color((avg.getRed()+col.getRed())/2,(avg.getGreen()+col.getGreen())/2,(avg.getBlue()+col.getBlue())/2);
	    		}
		    	posy++;
    		}
    		posx++;
    	}    
		return avg;
    }
}