function CompareAlpha(master, current: TColor32; tolerance: Integer): Boolean;
A callback function that can be passed as a parameter to various functions. This function compares two colors and returns true when the alpha channel of 'current' is within 'tolerance' of the alpha channel in 'master'.
Copyright ©2019 Angus Johnson - Image32 ver. 1.53 - Documentation last updated on 22-October-2020