g3togif (was: web fax viewer...)

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> >Nothing :) - just throw away every second row. (Interesting, isn't it?)
> 
> Hey! It is simple, but not that simple.
> 
> Four neighbouring pixels are collapsed into one pixel. If more than
> one of the original pixels was black, so is the result, otherwise it
> is white. I first tried a threshold of 2, but a severe bias to black
> gives better results on typical text images.

agreed. If I may suggest, recently I started using gv as an interface
to ghostscript, and enabling antialiasing (which produces an image with
grey levels) makes the output much more readable even at low sizes.

	Luigi
.