GIFBRIGHT - fiddles with colour intensity for GIF format pictures

version 1.0, created 5/9/1992 by Edward W. Jajko
All rights reserved. This program may not be sold or distributed with any
commercial package, nor modified without consent. No responsibility is
taken for any damage caused by the use of this program.

syntax: gifbrght infile outfile [/[agrb]#] [/l#] [/h#]

operation: copies GIF info from to and modifies
those colours greater or equal then low value ('/l#', default=5) and less
than or equal to high value ('/h#', default=255) by adding the respective
amount to the colour (a->all colours, r->red, g->green, b->blue) and
leveling out at the specified maximum or minimum. Colour modifers may be
signed numbers. Multiple colour modifiers can be specified.


Mail any bugs/suggestions to [email protected]