}
process() {
+ [ -z "$NEGATIVE" ] && inverter=cat || inverter=pnminvert
[ $rotate -eq 0 ] && rotator=cat || rotator="pamflip -rotate$rotate"
- $rotator | pnmcrop -closeness=$crop
+ $rotator | pnmcrop -closeness=$crop | $inverter
}
preview() {
- [ -z "$NEGATIVE" ] && inverter=cat || inverter=pnminvert
- pamdepth 8 < tmp.ppm | pnmscale -w 600 | process | $inverter > preview.ppm
+ pamdepth 8 < tmp.ppm | pnmscale -w 600 | process > preview.ppm
sxiv preview.ppm
}