import Myro.*;
import java.awt.*;

/**
 * Find the blues in an image and change them to red
 * 
 * @author (your name) 
 */
public class FindBlue
{
    // declare the Scribbler object
    private Scribbler robot;

    /*
    // TODO: Define the following constants based on a color of your choosing for part 3
    final int REF_R = ;
    final int REF_G = ;
    final int REF_B = ;
    final int THRESHOLD = ;
     */

    /**
     * Determine if a color is a shade of blue: For part 1
     * 
     * @param c A color
     * @return true if c is a shade of blue
     */
    private boolean isBlue( Color c )
    {
        // TODO: implement this method
        return false;
    }

    //For part 1
    public void findBlue()
    {
        robot = new Scribbler("com3");

        MyroImage anImage = robot.takePicture(Scribbler.IMAGE_COLOR);
        //TODO: go through all pictures in the image
        //if a pixel is Blue, set it to the color red
    }

    //for part 3
    private boolean isColor( Color c )
    {

        // TODO: calculate the difference between c and the reference color

        // TODO: calculate the distance between c and the reference color

        // TODO: return true if the distance is <= THRESHOLD, return false otherwise

        return false;
    }

    //for part 3
    private MyroImage calcBlob( MyroImage image )
    {
        MyroImage blobImage = new MyroGrayImage( image.getWidth(), image.getHeight() );

        // TODO: Process every pixel of image.  If the color of pixel p meets the color specification
        // of isColor, set the corresponding pixel in blobImage to white; otherwise set the corresponding
        // pixel in blobImage to black.

        // return blobImage
        return blobImage;
    }

    //for part 3
    public void blobScribbler()
    {
        MyroImage image;
        MyroImage blob;

        // open a connection to the Scribbler
        robot = new Scribbler("COM40");

        // execute until the user presses a key
        while( !MyroListener.isKeyPressed() )
        {

            // TODO: Take a picture, put it in variable image,then display it

            // TODO: Invole calcBlob, passing it image and putting the return value in blob.  Display
            // blob in a window titled "blob".

        }

        // close the robot
        robot.close();
    }
}