generate iOS App icons.

makeIcon.sh

#!/bin/sh

#sorce file icon(1024px x 1024px)
ICON1024="Icon1024.png"


sips -Z 512 ${ICON1024} --out icons/iTunesArtwork.png
#sips -Z 1024 ${ICON1024} --out icons/iTunesArtwork@2x.png
#sips -Z 1536 ${ICON1024} --out icons/iTunesArtwork@3x.png

# iOS 6 App icon

sips -Z 57 ${ICON1024} --out icons/Icon.png
sips -Z 114 ${ICON1024} --out icons/Icon@2x.png

# iOS 6 App icon(iPad)

sips -Z 72 ${ICON1024} --out icons/Icon-72.png
sips -Z 144 ${ICON1024} --out icons/Icon-72@2x.png

# iOS 6 Spotlight / iOS 7 Settings icon 

sips -Z 29 ${ICON1024} --out icons/Icon-Small.png
sips -Z 58 ${ICON1024} --out icons/Icon-Small@2x.png
sips -Z 87 ${ICON1024} --out icons/Icon-Small@3x.png

# iOS 6 Spotlight(iPad)

sips -Z 50 ${ICON1024} --out icons/Icon-Small-50.png
sips -Z 100 ${ICON1024} --out icons/Icon-Small-50@2x.png


# iOS 7 App icon 

#sips -Z 60 ${ICON1024} --out icons/Icon-60.png
sips -Z 120 ${ICON1024} --out icons/Icon-60@2x.png
sips -Z 180 ${ICON1024} --out icons/Icon-60@3x.png

# iOS 7 App icon(iPad)

sips -Z 76 ${ICON1024} --out icons/Icon-76.png
sips -Z 152 ${ICON1024} --out icons/Icon-76@2x.png
sips -Z 228 ${ICON1024} --out icons/Icon-76@3x.png

# iOS 7 Spotlight(iPhone & iPad)

sips -Z 40 ${ICON1024} --out icons/Icon-40.png
sips -Z 80 ${ICON1024} --out icons/Icon-40@2x.png
sips -Z 120 ${ICON1024} --out icons/Icon-40@3x.png