export_icons.sh

#!/bin/sh

if [ ! -f "$1" ]; then
  echo "Usage: $0 <input-file>"
  exit 1
fi

BASE=`echo $1 | cut -d . -f 1`;
TAIL=`echo $1 | cut -d . -f 2-`;

set_size_label() 
{
  case "$1" in
    40)
	SIZE_LABEL=40pt@1x
	;;
    48)
        SIZE_LABEL=24pt@2x
        ;;
    55)
        SIZE_LABEL=27.5pt@2x
        ;;
    58)
        SIZE_LABEL=29pt@2x
        ;;
    87)
        SIZE_LABEL=29pt@3x
        ;;
    80)
        SIZE_LABEL=40pt@2x
        ;;
    88)
        SIZE_LABEL=44pt@2x
        ;;
    120)
	SIZE_LABEL=40pt@3x
	;;
    180)
	SIZE_LABEL=60pt@3x
	;;
    76)
	SIZE_LABEL=76pt@1x
	;;
    152)
	SIZE_LABEL=76pt@2x
	;;
    172)
        SIZE_LABEL=86pt@2x
        ;;
    196)
	SIZE_LABEL=98pt@2x
	;;
    167)
        SIZE_LABEL=83.5pt@2x
	;;
  esac
}
if [ ! -f ${BASE}/watch/ ]; then
  mkdir -p ${BASE}/watch/
fi

case $TAIL in
  jpg) TAIL=png;;
esac

echo exporting watch sizes for ${BASE} ...
for SIZE in 48 55 58 87 80 88 172 196; do
  set_size_label ${SIZE}
  NEWFILE=$BASE/watch/${BASE}-${SIZE_LABEL}.${TAIL}
  convert $1 -resize ${SIZE}x${SIZE} ${NEWFILE}
done

if [ ! -f ${BASE}/app/ ]; then
  mkdir -p ${BASE}/app/
fi

echo exporting app sizes for ${BASE} ...

for SIZE in 58 87 80 120 180 40 76 152 167; do
  set_size_label ${SIZE}
  NEWFILE=$BASE/app/${BASE}-${SIZE_LABEL}.${TAIL}
  convert $1 -resize ${SIZE}x${SIZE} ${NEWFILE}
done