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495 B
495 B
pambrighten
Change a PAM image's saturation and value. More information: https://netpbm.sourceforge.net/doc/pambrighten.html.
- Increase the saturation of each pixel by the specified percentage:
pambrighten {{[-s|-saturation]}} {{value_percent}} {{path/to/image.pam}} > {{path/to/output.pam}}
- Increase the value (from the HSV color space) of each pixel by the specified percentage:
pambrighten {{[-va|-value]}} {{value_percent}} {{path/to/image.pam}} > {{path/to/output.pam}}