tldr/pages/common/pnmalias.md

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# pnmalias
> Apply antialiasing onto a PNM image.
> More information: <https://netpbm.sourceforge.net/doc/pnmalias.html>.
- Perform antialiasing on a PNM image, taking black pixels as background and white pixels as foreground:
`pnmalias {{path/to/input.pnm}} > {{path/to/output.ppm}}`
- Explicitly specify the background and foreground color:
`pnmalias -bcolor {{background_color}} -fcolor {{foreground_color}} {{path/to/input.pnm}} > {{path/to/output.ppm}}`
- Apply altialiasing to foreground pixels only:
`pnmalias -fonly {{path/to/input.pnm}} > {{path/to/output.ppm}}`
- Apply antialiasing to all surrounding pixels of background pixels:
`pnmalias -balias {{path/to/input.pnm}} > {{path/to/output.ppm}}`