import java.awt.*;
import java.awt.font.*;
import java.awt.geom.*;
import java.text.*;

/**
 * A class that represents a picture.  This class inherits from 
 * SimplePicture and allows the student to add functionality to
 * the Picture class.  
 * 
 * Copyright Georgia Institute of Technology 2004-2005
 * @author Barbara Ericson ericson@cc.gatech.edu
 */
public class ExamPicture extends SimplePicture 
{
  ///////////////////// constructors //////////////////////////////////
  
  /**
   * Constructor that takes no arguments 
   */
  public ExamPicture ()
  {
    /* not needed but use it to show students the implicit call to super()
     * child constructors always call a parent constructor 
     */
    super();  
  }
  
  /**
   * Constructor that takes a file name and creates the picture 
   * @param fileName the name of the file to create the picture from
   */
  public ExamPicture(String fileName)
  {
    // let the parent class handle this fileName
    super(fileName);
  }
  
  /**
   * Constructor that takes the width and height
   * @param width the width of the desired picture
   * @param height the height of the desired picture
   */
  public ExamPicture(int width, int height)
  {
    // let the parent class handle this width and height
    super(width,height);
  }
  
  /**
   * Constructor that takes a picture and creates a 
   * copy of that picture
   */
  public ExamPicture(Picture copyPicture)
  {
    // let the parent class do the copy
    super(copyPicture);
  }
  
  ////////////////////// methods ///////////////////////////////////////
  
  /**
   * Method to return a string with information about this picture.
   * @return a string with information about the picture such as fileName,
   * height and width.
   */
  public String toString()
  {
    String output = "Picture, filename " + getFileName() + 
      " height " + getHeight() 
      + " width " + getWidth();
    return output;
    
  }
  
  // *****   Methods for Exam 1 -------------------------------------
  
  public void increaseRed()
  {
    Pixel[] pixels = this.getPixels();
    for ( int i = 0; i < pixels.length; i++ )
    {
      Pixel p = pixels[i];
      p.setRed  ( (int) (p.getRed  () * 1.1) );
    }
  }
  
  public void problemFive()
  {
    for ( Pixel p : this.getPixels() )
    {
      int red;//   = 0;
      int green;// = 0;
      int blue;//  = 0;
      
      if ( p.getRed() > 127 )
        red = 255;
      else
        red = 0;
      
      if ( p.getGreen() > 127 )
        green = 255;
      else
        green = 0;
      
      if ( p.getBlue() > 127 )
        blue = 255;
      else
        blue = 0;
      
      p.setColor( new Color( red, green, blue ) );
    }
  }
  
  public void problemFiveOneIf()
  {
    for ( Pixel p : this.getPixels() )
    {
      int red;//   = 0;
      int green;// = 0;
      int blue;//  = 0;
      
      if ( p.getRed() > 127 || p.getGreen() > 127 || p.getBlue() > 127 )
      {
        red   = 255;
        green = 255;
        blue  = 255;
      }
      else
      {
        red = 0;
        green = 0;
        blue = 0;
      }
      
      p.setColor( new Color( red, green, blue ) );
    }
  }
  
  public void problemFiveAverage()
  {
    for ( Pixel p : this.getPixels() )
    {
      int red;//   = 0;
      int green;// = 0;
      int blue;//  = 0;
      
      if ( p.getAverage() > 127 )
      {
        red   = 255;
        green = 255;
        blue  = 255;
      }
      else
      {
        red = 0;
        green = 0;
        blue = 0;
      }
      
      p.setColor( new Color( red, green, blue ) );
    }
  }

  public static void whileLoop()
  {
    boolean keepGoing = true;
    int count = 0;
    int max   = 0;
    while ( keepGoing )
    {
      System.out.println( count );
      count++;
      max++;
      if ( count > 10 || max > 40 )
         keepGoing = false;
    }
  }
  
} // end of class Picture, put all new methods before this