> "Most of these formats output 24 bits per pixel with 8 bits for each of
red,
> green and blue data. PNG and PPM allow you to optionally specify the
output bit
> depth from 5 to 16 bits for each of the red, green, and blue colors,
giving from
> 15 to 48 bits of color information per pixel. The default output depth for
all
> formats is 8 bits/color (16 million possible colors), but this may be
changed
> for PNG and PPM format files by setting Bits_Per_Color=n or by specifying
+FNn
> or +FPn, where n is the desired bit depth."

Sounding suspiciously like the documentation, I looked for this paragraph
and found it. Argg. Just like tests in college -- you think "where the hell
did this question come from" during the test, and only afterwards find it
bolded in the text that you had read several times in preparation.

Thanks,
jkb

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