This is the command ppmflash that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
ppmflash - brighten a picture up to complete white-out
SYNOPSIS
ppmflash flashfactor [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Increases its brightness by the specified flashfactor up
to a total white-out image. The flashfactor may be in the range from 0.0 (original
picture's brightness) to 1.0 (full white-out, The Second After).
As pnmgamma does not do the brightness correction in the way I wanted it, this small
program was written.
This program is similar to ppmbrighten , but not exactly the same.
Use ppmflash online using onworks.net services