/*color sampler
-the goal of this is to read an image, and pull a number of colors out of it. 
-could specifiy an even distrubution of colors, or weighted toward RGB or some o
ther method. 
-need to pull out and display the colors, then store the color values in an exte
rnal file to be used later
*/


PImage img;

//color r[];
//color g[];
//color b[];

int pallet[];

int here, psize, csize, k;

//----------------------------------------------------------------
void setup(){
    //colorMode(RGB, 255);
  
    img = loadImage("test2.jpg");
    size (img.width, img.height);
  
    csize = img.width*img.height+200; //how big does the array have to be?
    psize = 3*csize; //make sure the array is big enought for rgb?


/*  
    color[] r = new color[csize];
    color[] g = new color[csize];
    color[] b = new color[csize];
*/

    int[] pallet = new int[psize];
    
    noLoop();
}

//----------------------------------------------------------------

void draw(){
  img.loadPixels();

  for (int i=0; i < img.width*img.height; i+=20)
    {
      //img.pixels[i] = color(0,0,0);  
      here = img.pixels[i];
                println("red   " + red(here));
                println("green    " + int(green(here)));
                println("blue        " + int(blue(here)));

//this doesn't work.... NullPointerException
      
      //pallet[i]   = int(red(here));
      //pallet[i+1] = int(green(here));
      //pallet[i+2] = int(blue(here));
                
    }//for


  img.updatePixels();
//----------------------------------------------------------------


  image(img, 0, 0);
//----------------------------------------------------------------
} //draw