Generate an SR sign PDF, with or without an image. The optional image, if used, should be square to prevent distortion.
./signgen [-s SIZE] [-i IMAGE] -m MESSAGE -o OUTPUT
Options:
-s SIZE where SIZE is 'a4' (only A4 paper is supported, currently).
-i IMAGE where IMAGE is an image file, either absolute, relative to
the current directory or in the images/ directory.
-m MESSAGE where MESSAGE is the message you would like to display.
-o OUTPUT where OUTPUT is the output PDF filname you want.
Generateing a sign, with no image, saying "Toilets":
./signgen -m Toilets -o toilets.pdf
Generating a sign, with an image, saying "This event is being filmed":
./signgen -m "This event is being filmed" -i camera.png -o filming.pdf