let canvas = createCanvas(windowWidth, windowHeight);

  canvas.drop(gotFile);

​

}

​

function draw() {

  background(127);

  fill(255);

  noStroke();

  textSize(24);

  textAlign(CENTER);

  text('Drag an image file onto the canvas.', width/2, height/2);

  noLoop();

}

function gotFile(file) {

  // If it's an image file

  if (file.type === 'image') {

    // Create an image DOM element but don't show it

    var img = createImg(file.data).hide();

  } else {

    println('Not an image file!');

  }

}

​

function processImage(img){

    let colors = [];

  img.loadPixels();

  for(let i = 0; i < img.width; i++) {

    for(let j = 0; j < img.height; j++) {

    }

  }

​

}