(function(global) {

  'use strict';

  var fabric  = global.fabric || (global.fabric = { }),
      filters = fabric.Image.filters,
      createClass = fabric.util.createClass;

  var matrices = {
    Brownie: [
      0.59970,0.34553,-0.27082,0,0.186,
      -0.03770,0.86095,0.15059,0,-0.1449,
      0.24113,-0.07441,0.44972,0,-0.02965,
      0,0,0,1,0
    ],
    Vintage: [
      0.62793,0.32021,-0.03965,0,0.03784,
      0.02578,0.64411,0.03259,0,0.02926,
      0.04660,-0.08512,0.52416,0,0.02023,
      0,0,0,1,0
    ],
    Kodachrome: [
      1.12855,-0.39673,-0.03992,0,0.24991,
      -0.16404,1.08352,-0.05498,0,0.09698,
      -0.16786,-0.56034,1.60148,0,0.13972,
      0,0,0,1,0
    ],
    Technicolor: [
      1.91252,-0.85453,-0.09155,0,0.04624,
      -0.30878,1.76589,-0.10601,0,-0.27589,
      -0.23110,-0.75018,1.84759,0,0.12137,
      0,0,0,1,0
    ],
    Polaroid: [
      1.438,-0.062,-0.062,0,0,
      -0.122,1.378,-0.122,0,0,
      -0.016,-0.016,1.483,0,0,
      0,0,0,1,0
    ],
    Sepia: [
      0.393, 0.769, 0.189, 0, 0,
      0.349, 0.686, 0.168, 0, 0,
      0.272, 0.534, 0.131, 0, 0,
      0, 0, 0, 1, 0
    ],
    BlackWhite: [
      1.5, 1.5, 1.5, 0, -1,
      1.5, 1.5, 1.5, 0, -1,
      1.5, 1.5, 1.5, 0, -1,
      0, 0, 0, 1, 0,
    ]
  };

  for (var key in matrices) {
    filters[key] = createClass(filters.ColorMatrix, /** @lends fabric.Image.filters.Sepia.prototype */ {

      /**
       * Filter type
       * @param {String} type
       * @default
       */
      type: key,

      /**
       * Colormatrix for the effect
       * array of 20 floats. Numbers in positions 4, 9, 14, 19 loose meaning
       * outside the -1, 1 range.
       * @param {Array} matrix array of 20 numbers.
       * @default
       */
      matrix: matrices[key],

      /**
       * Lock the matrix export for this kind of static, parameter less filters.
       */
      mainParameter: false,
      /**
       * Lock the colormatrix on the color part, skipping alpha
       */
      colorsOnly: true,

    });
    fabric.Image.filters[key].fromObject = fabric.Image.filters.BaseFilter.fromObject;
  }
})(typeof exports !== 'undefined' ? exports : this);