This is documentation for EPF Docs 25.2, which is no longer actively maintained.
For up-to-date documentation, see the latest version (25.3).
Version: 25.2
alpha
Function (in STColor.xmodule)
Returns the "alpha" value of a color, which is a measure of its transparency in the range 0 to 1. A value of 0 indicates a completely clear color, and a value of 1 indicates a completely opaque color.