usage() {

}

if [[ -z "$1" || "$1" == "-h" || "$1" == "--help" ]]; then

usage

INPUT=$1

if [[ ! -f "$INPUT" ]]; then

echo "Error: File '$INPUT' does not exist."

exit 1

if [[ "${INPUT##*.}" != "svg" ]]; then

echo "Error: File '$INPUT' is not an SVG."

exit 1

VPYPE_FLAGS=""

MARGIN="" # empty means: not fitting / no margin

TRANSLATE_X=""

TRANSLATE_Y=""

while [[ $# -gt 0 ]]; do

case "$1" in

--fit)

shift # past --fit

# If next arg exists and looks like a margin (ends with mm), use it

if [[ -n "$1" && "$1" == *mm ]]; then

MARGIN="$1"

shift

else

# default margin if no value provided

MARGIN="20mm"

fi

;;

--translate)

shift

if [[ -z "${1:-}" || -z "${2:-}" ]]; then

echo "Error: --translate requires two arguments (e.g. '--translate 5mm -3mm')"

exit 1

fi

TRANSLATE_X="$1"

TRANSLATE_Y="$2"

shift 2

;;

--vpype)

shift

if [[ -z "$1" ]]; then

echo "Error: --vpype requires an argument (e.g. '--vpype \"linemerge linesort\"')"

exit 1

fi

# Append extra flags (keep a space before to separate)

VPYPE_FLAGS="$VPYPE_FLAGS $1"

shift

;;

*)

echo "Unknown option: $1"

usage

;;

esac

if [[ -n "$MARGIN" ]]; then

VPYPE_FLAGS="--fit-to-margins $MARGIN $VPYPE_FLAGS"

echo "Fitting to margins: $MARGIN"

echo "NOT FITTING"

POST_TRANSLATE=""

if [[ -n "$TRANSLATE_X" ]]; then

POST_TRANSLATE="translate -- $TRANSLATE_X $TRANSLATE_Y"

echo "Translating: $TRANSLATE_X $TRANSLATE_Y"

OUTPUT_P=${INPUT%.svg}-preview.svg

OUTPUT_G=${INPUT%.svg}.gcode

printf "%-24s %s\n" "Processing Input:" "$INPUT"

vpype --config "${PWD}/vpype.toml" read "$INPUT" translate 0mm 63mm layout --landscape $VPYPE_FLAGS --valign center --align center 160mmx190mm $POST_TRANSLATE linemerge linesort penwidth 0.3mm write "$OUTPUT_P"

printf "%-24s %s\n" "Writing gcode:" "$OUTPUT_G"

vpype --config "${PWD}/vpype.toml" read "$OUTPUT_P" gwrite "$OUTPUT_G"

printf "%-24s %s\n" "Writing preview:" "$OUTPUT_P"

vpype --config "${PWD}/vpype.toml" read "$OUTPUT_P" rect --layer 999 0mm 0mm 190mm 160mm pagesize a4 translate 10mm 69mm \

rect --layer 999 31mm 43.5mm 148mm 210mm \

rect --layer 999 0mm 0mm 210mm 297mm \

line --layer 999 105mm 0mm 105mm 297mm \

line --layer 999 0mm 148.5mm 210mm 148.5mm \

write "$OUTPUT_P"

python3 postprocess_preview.py "$OUTPUT_P"

printf "%-24s %s\n" "Generating thumbnails:" "$OUTPUT_G"

python3 thumbnail.py "$INPUT" "$OUTPUT_G"

echo "DONE"