ppmchange

Change all pixels of one color in a PPM image to another color. More information: <https://netpbm.sourceforge.net/doc/ppmchange.html>.

Install

All systems
curl cmd.cat/ppmchange.sh
Debian Debian
apt-get install netpbm
Ubuntu
apt-get install netpbm
Arch Arch Linux
pacman -S netpbm
image/svg+xml Kali Linux
apt-get install netpbm
CentOS
yum install netpbm-progs
Fedora
dnf install netpbm-progs
Windows (WSL2)
sudo apt-get update sudo apt-get install netpbm
OS X
brew install netpbm
Raspbian
apt-get install netpbm
Dockerfile
dockerfile.run/ppmchange

Change all pixels of one color in a PPM image to another color. More information: <https://netpbm.sourceforge.net/doc/ppmchange.html>.

  • Exchange the first color in each `oldcolor` - `newcolor` pair with the second color:
    ppmchange oldcolor1 newcolor1 oldcolor2 newcolor2 ... path/to/input.ppm > path/to/output.ppm
  • Specify how similar colors must be in order to be considered the same:
    ppmchange -closeness percentage oldcolor1 newcolor1 oldcolor2 newcolor2 ... path/to/input.ppm > path/to/output.ppm
  • Replace all pixels not specified in the arguments by a color:
    ppmchange -remainder color oldcolor1 newcolor1 oldcolor2 newcolor2 ... path/to/input.ppm > path/to/output.ppm

© tl;dr; authors and contributors