Posted by dxli on Feb 20, 2014; 9:10pm
URL: https://forum.librecad.org/Question-for-developers-tp5709618p5709621.html

By Ries method, you can try bash scripts (in Linux/OSX) in LC source folder:

TEMPFILE=$(mktemp)
for f in $(find . -type f -name "*.png" -print)
do
  convert "$f" -fuzz 25% -fill red -opaque green "$TEMPFILE"
  mv -v "$TEMPFILE" "$f"
done


and rebuild LC after that.