/**
 * Create a mirrored image.
 * 
 * Items on the left hand side will appear on the right hand side
 *   and vice-versa
 *
 * @author Pat Troy: troy AT uic DOT edu
 */


import java.util.*;
import java.awt.*;

public class Lect226h
{
  public static void main(String[] args)
  {
    // create the picture and a turtle
    String fileName = FileChooser.pickAFile();
    Picture pict = new Picture (fileName);
   
    // get an array of pixels
    Pixel pixArray[];
    pixArray = pict.getPixels();
    
    Picture pictNew = new Picture (pict.getWidth(), pict.getHeight());
    
    System.out.println ("Width: " + pict.getWidth());
    System.out.println ("Height: " + pict.getHeight());
    System.out.println ("Total Pixels: " + pict.getWidth() * pict.getHeight());
    
    System.out.println ("Array Length: " + pixArray.length );
    System.out.println ( pixArray [0] );
    System.out.println ("X: " + pixArray[0].getX());
    System.out.println ("Y: " + pixArray[0].getY());
    
    int index;
    Pixel pix, pixNew;
    int xPos, yPos;
    int red, green, blue;
    int red2, green2, blue2;
    int grayScaleAmount;
    for ( index = 0 ; index < pixArray.length ; index++ )
    {
      // Access the pixel from the orignal image
      pix = pixArray[index];
      
      // Access the correct pixel from the new Image
      xPos = pix.getX();
      yPos = pix.getY();
      pixNew = pictNew.getPixel (pict.getWidth() - xPos - 1, yPos);    
      
      // access the 3 color intensities
      red = pix.getRed();
      green = pix.getGreen();
      blue = pix.getBlue();
            
      // set the new color intensities
      pixNew.setRed(red);
      pixNew.setGreen(green);
      pixNew.setBlue(blue);
      
      // return the pixel to the pixel array
      pixArray[index] = pix;
    }
    
    // display the picture
    pictNew.show();
    System.out.println ( pixArray [0] );
    
    // save the picture to the computer
    // Note:  Be sure to add the .jpg to the end of the filename!!!!!
    //fileName = FileChooser.pickAFile();
    //System.out.println(fileName);
    //pict.write (fileName);

  }
  
}