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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. 1.54 - Documentation last updated on 7-November-2020