Questions and postings pertaining to the development of ImageMagick, feature enhancements, and ImageMagick internals. ImageMagick source code and algorithms are discussed here. Usage questions which are too arcane for the normal user list should also be posted here.
I have a picture (coloured foreground) with transparent background.
I would like to transform (with Magic++) the foreground to transparent without changes of background (already is transparent). I would like to set transparent of foreground in range for example 0...MaxRGB.
How can I do it?