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tldr/pages/common/pnmrotate.md
Juri Dispan 13dc362fa8
pamflip, pnmcolormap, pnmquant, pnmremap, pnmrotate, ppmquant: add pages (#11800) 
* pamflip, pnmcolormap, pnmquant, pnmremap, pnmrotate, ppmquant: add pages

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Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
2023-12-21 11:33:10 +05:30

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pnmrotate

Rotate a PNM image. More information: https://netpbm.sourceforge.net/doc/pnmrotate.html.

  • Rotate a PNM image by some angle (measured in degrees, counter-clockwise):

pnmrotate {{angle}} {{path/to/input.pnm}} > {{path/to/output.pnm}}

  • Specify the background color exposed by rotating the input image:

pnmrotate -background {{color}} {{angle}} {{path/to/input.pnm}} > {{path/to/output.pnm}}

  • Disable anti-aliasing, improving performance but decreasing quality:

pnmrotate -noantialias {{angle}} {{path/to/input.pnm}} > {{path/to/output.pnm}}