Convert Array to Color - Node.js CSS

Node.js examples for CSS:Color

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Description

Convert Array to Color

Demo Code


Array.prototype.toColor = function() {

  var n = this.length <= 3 ? 3 : 4;

  var pieces = this.concat( [0,0,0,0] ).slice(0,n);

  if (!this.length) {
    return "rgb(" + pieces.join() + ")";
  } else if (this.length <= 3) {
    return "rgb(" + pieces.join() + ")";
  } else if (this.length >= 4) {
    return "rgba(" + pieces.join() + ")";
  }/*www. j a va  2s.c om*/
  return void(0);
};

/*******************************************************************************
 * Sets / Gets the red component of the array.
 ******************************************************************************/
Array.prototype.red = function() {
  switch (arguments.length) {
    case 1: this[0] = arguments[0]; return this;
    case 0: return this[0];
  }
};
/*******************************************************************************
 * Sets / Gets the green component of the array.
 ******************************************************************************/
Array.prototype.green = function() {
  switch (arguments.length) {
    case 1: this[1] = arguments[0]; return this;
    case 0: return this[1];
  }
};
/*******************************************************************************
 * Sets / Gets the blue component of the array.
 ******************************************************************************/
Array.prototype.blue = function() {
  switch (arguments.length) {
    case 1: this[2] = arguments[0]; return this;
    case 0: return this[2];
  }
};
/*******************************************************************************
 * Sets / Gets the alpha component of the array.
 ******************************************************************************/
Array.prototype.alpha = function() {
  switch (arguments.length) {
    case 1: this[3] = arguments[0]; return this;
    case 0: return this[3];
  }
};

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