davidsonfellipe · December 18, 2015 23:49
diff --git a/lenajs.grayscale.js b/lenajs.grayscale.js
 LenaJS.grayscale = function(pixels, args) {

  for (var i = 0; i < pixels.data.length; i += 4) {

    var r = pixels.data[i],
        g = pixels.data[i+1],
        b = pixels.data[i+2];

    pixels.data[i] = pixels.data[i+1] = pixels.data[i+2] = 0.2126*r + 0.7152*g + 0.0722*b;

  }

  return pixels;
 };
	LenaJS.grayscale = function(pixels, args) {

	for (var i = 0; i < pixels.data.length; i += 4) {

	var r = pixels.data[i],
	g = pixels.data[i+1],
	b = pixels.data[i+2];

	pixels.data[i] = pixels.data[i+1] = pixels.data[i+2] = 0.2126r + 0.7152g + 0.0722*b;

	}

	return pixels;
	};