//Made with java processing - HaydnG hayhay

PImage img;
PImage sorted;
float closest;
int closestindex;
boolean done =false;
color[] colours = {color(255, 255, 255),color(228, 228, 228),color(136, 136, 136),color(34, 34, 34),color(255, 167, 209),color(229, 0, 0),color(229, 149, 0),color(160, 106, 66),color(229, 217, 0),color(148, 224, 68),color(2, 190, 1),color(0, 211, 221),color(0, 131, 199),color(0, 0, 234),color(207, 110, 228),color(130, 0, 128)};


PrintWriter output;

color temp;
void setup() {
  img = createImage(0, 0, ARGB);
  selectInput("Select a file to process:", "fileSelected");
  size(500, 500);

  output = createWriter("NumbersList.txt");

}

float colorDistance(color a, color b)
{
      PVector avec = new PVector( red(a), green(a), blue(a) );
      avec.sub( red(b), green(b), blue(b) );
      return avec.mag();
}


void fileSelected(File file) {

  img = loadImage(file.getAbsolutePath());
  img.loadPixels();
  output.print("[");
  image(img,0,0);
  for (int i = 0; i < img.pixels.length; i++) {
    closest = 1000;
    for(int j = 0; j < colours.length; j++){
        color c = img.get(i%img.width,i/img.height);
        float dist = colorDistance(c,colours[j]);
        if(dist < closest){
          closest = dist;
          closestindex = j;
        }

    }
    output.print(closestindex + ",");
    if(i % 100 == 0 && i > 2){
      output.println();
    }

  }
  output.print("]");
  output.close();
  done = true;

}

void draw(){
  background(255);
  image(img, 0, 0);
  fill(0);
  if(done){
    text("File created: NumbersList.txt",50,height - 50);
    text("File saved with numbers",50,height - 20);
  }

}