diff options
Diffstat (limited to 'README')
| -rw-r--r-- | README | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -0,0 +1,14 @@ +======== +pnmcurve +======== + +apply tone curves to pnm images. +Curves are specified as a set of control points of a cubic spline. +pnmcurve applies the resulting spline curve to the pnm image read +from stdin and writes the resulting image to stdout. +The -rgb command line switches allow to apply the curve only to +selected color channels. + +pnmcurve is intended to be used with the flimp +(http:www.ecademix.com/JohannesHofmann/flimp.html), but can also be +used as a standalone filter. |