README.md

gcode-preview

Extract thumbnail images as png/jpg from .gcode files with C or Bash

Building and installing the C version

1. clone this repository locally on your machine
2. run make clean && sudo make install from within the repository folder

Example usage

gcode-preview -i benchy.gcode -o thumb.png

gcode-preview-bash benchy.gcode thumb.png

Performance

Quick benchmark of gcode-preview vs gcode-preview-bash extracting a 800x600 png image from a gcode file:

$ time gcode-preview-bash benchy.gcode thumb.png

real    0m0.014s
user    0m0.016s
sys     0m0.004s

$ time gcode-preview benchy.gcode thumb.png

real    0m0.002s
user    0m0.001s
sys     0m0.000s

Ranger / lf integration

With image previews enabled in ranger or lf, it is possible to extend the functionality to get previews for .gcode files, here is an example with lf: