Encodes the colour as an unsigned integer to be used in the network operations or to be saved.
Checks if the colour is completely transparent (with the alpha channel equals to 0).
Sets the colour as transparent (with alpha = 0) or opaque (with alpha = 255).
Compares two colours.
Converts and hexadecimal representation of a colour into a Color object.
Converts an rgb-encoded integer to a Color.