V� Image Decoders with F-S Dithering for GIF
--------------------------------------------

This is a beta snapshot of the V� Image Decoders
with support for Floyd-Steinberg Dithering for
rendering GIF images on CLUT (8 bit and less)
screens.

The archive vimgdec_21.lzx is available from
ftp.vapor.com, /pub/voyager/ and mirrors.

To activate the dithering, you need to set the
dithering options in the V� "Images" pref section
to "Floyd-Steinberg".

The dithering implementation uses the real on-screen
RGB palette values to calculate the error values,
similiar to how V� handles JPEG already, so it does not
rely on ObtainBestPen() and it's inherent relationship
to the phase of the moon or nearby lylines.

Individual dithering settings for the various image
types and support for dithering of PNG images will
follow.

Olli
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