color_processing_arduino.pde

import processing.serial.*;
Serial port;
PImage img;

void setup() {
  port = new Serial(this,Serial.list()[0],9600);
  size(800,600); 
  img = loadImage("color.png"); 
  image(img,0,0,width,height);
}

void draw() {
  color sample = get(mouseX,mouseY); 
  //Red, Green, Blue
  int R = int(red(sample));
  int G = int(green(sample));
  int B = int(blue(sample));
  port.write(R + " " + G + " " + B + "\n");  
  
  print(R);print(" ");print(G);print(" ");print(B);print(" ");
  println();
  delay(20);
}