~ft/imgtools

Some random image-related tools, for Plan 9.
redefine a few more as macros
make uint8 to float conversion faster

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#imgtools

Some random image-related tools. Usually they are drop-in replacements where possible.

#iconv

Converts a Plan 9 image from one format to another. For example, iconv -c rgb16 <a.img >b.img will convert a.img to RGB16 and save it as b.img.

"Channels" (-c argument) are defined at /sys/include/draw.h:133. rgb16, RGB16, r5g6b5 and R5G6B5 mean the same thing (case-insensitive).

#resample

A faster drop-in replacement of resample(1) with some more features.