Added support for colors on the formats rgb[a](), hsl[a](), hwb().

Author: dmester

lib/canvasContext.js

@@ -50,8 +50,17 @@ function CanvasContext(canvas) {
  * Specifies the fill color that is used when the fill method is called. Allowed values are:
  * - 32 bit integers on the format 0xRRGGBBAA
  * - strings on the format #RGB
+ * - strings on the format #RGBA
  * - strings on the format #RRGGBB
  * - strings on the format #RRGGBBAA
+ * - strings on the format rgb(255, 255, 255)
+ * - strings on the format rgb(255, 255, 255, 0.5)
+ * - strings on the format rgba(255, 255, 255, 0.5)
+ * - strings on the format hsl(134, 50%, 50%)
+ * - strings on the format hsl(134, 50%, 50%, 0.5)
+ * - strings on the format hsla(134, 50%, 50%, 0.5)
+ * - strings on the format hwb(134, 50%, 50%)
+ * - strings on the format hwb(134, 50%, 50%, 0.5)
  * @public
  */
 CanvasContext.prototype.fillStyle = 0x000000ff;