import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.awt.Graphics;
import java.awt.image.*;
import java.io.*;
import java.util.*;

public class Slika2D extends Frame{
		DisplayImage di, orig, filter;
		int outputArray[][],outputArray1[][],outputArray2[][], GR[][];
		int one[];
		Grafika GT;
		GraphicsOperations grafF;

		public Slika2D(String path){
			setLayout(new GridLayout(3,1));

			int ff[][] = {{1,1,1}, {1,1,1}, {1,1,1}};

			orig = new DisplayImage();
			di = new DisplayImage();
			filter = new DisplayImage();
	
			grafF = new GraphicsOperations();

			MediaTracker tracker = new MediaTracker(this);	
			Image slika1 = Toolkit.getDefaultToolkit().getImage(path);

			//pocaka da se slika nalozi
			//waits for an image to be loaded
			tracker.addImage(slika1, 0);
			try {
				tracker.waitForAll();
			}
			catch (Exception ee) {}

			GT = new Grafika(slika1);
			
			//nastavi polja glede na velikost slike
			//sets the array size according to image size
			outputArray= new int[GT.imageWidth][GT.imageHeight];
			outputArray1= new int[GT.imageWidth][GT.imageHeight];
			outputArray2= new int[GT.imageWidth][GT.imageHeight];
			GR= new int[GT.imageWidth][GT.imageHeight];
			
			//zapolni jih s posamezno barvo
			//fills with color
			outputArray=GT.getRedArray();
			outputArray1=GT.getGreenArray();
			outputArray2=GT.getBlueArray();
			
			//pretvori zgornja polja v sive barve in napolni GR
			//converts color arrays into grayscale
			GR = GT.convertRGBToG(outputArray,outputArray1,outputArray2);

			//spravi v 1-dimenzionalno polje
			//save to 1D array
			one = new int[GT.imageHeight*GT.imageWidth];
			one = GT.convertGrayToArray(GR);

			orig.setImage(path);
			di.setImage(one, GT.imageWidth, GT.imageHeight);

			//outputArray2 = grafF.gamma(GR, GT.imageWidth, GT.imageHeight, 1.2);
			outputArray2 = grafF.faksfx(GR, GT.imageWidth, GT.imageHeight);
			one = GT.convertGrayToArray(GR);
			filter.setImage(one, GT.imageWidth, GT.imageHeight);

			//dodaj original sliko, crno-belo in nato se filter
			//add original image, grayscale image and filtered image
			add(orig);
			add(di);
			add(filter);

			//dodaj rokovalnik
			//add handler
			addWindowListener(new WindowAdapter() {
          		public void windowClosing(WindowEvent e) {
               		System.exit(0);
            	}
         	});

			//nastavi položaj in velikost okna
			//set the position and size of the window
			setBounds(100, 100, GT.imageWidth, GT.imageHeight*3);
			setTitle("slika");
			setVisible(true);
		}//Start
		
		public static void main(String args[]){
			new Slika2D(args[0]);
		}
}