# Graphviz functions
dot-to-png () {
  if [[ -n "${1+x}" ]]; then
    dot -Tpng $1 -o ${1%.*}.png
  else
    echo 'Usage: dot-to-png <path_to_file>'
  fi
}

neat-to-png () {
  if [[ -n "${1+x}" ]]; then
    neato -Tpng $1 -o ${1%.*}.png
  else
    echo 'Usage: neat-to-png <path_to_file>'
  fi
}

seqdiag-to-png () {
  if [[ -n "${1+x}" ]]; then
    seqdiag -o ${1%.*}.png -f /System/Library/Fonts/SFNSText.ttf $1
  else
    echo 'Usage: seqdiag-to-png <path_to_file>'
  fi
}