shithub: ifilter


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Last commit

56fcd319 – phil9 authored on 2021/10/14 11:42
add shade and tint filters


Basic image color filters.

ifilter reads an image from standard input, applies a color filter
and dumps the resulting image to standard output.

Available color filters are:
- grayscale
- sepia
- invert
- shade
- tint

usage: ifilter [-f factor] [grayscale|sepia|invert|shade|tint]

Note: factor is used for the shade and tint filters and ignored otherwise.