Extended TfpgImage with a new CreateDisabledImage() method.
Extended TfpgImage with a new CreateDisabledImage() method.

This uses the new GrayScale Filter to create a grayscale image.

wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI