Get the string representation of the given level id. This function will return null if level id isn't valid. See cairo.global.psGetLevels for a way to get the list of valid level ids.
a level id
the string associated to given level.
Get the string representation of the given level id. This function will return null if level id isn't valid. See cairo.global.psGetLevels for a way to get the list of valid level ids.