Make iOS Default Project Images

gistfile1.sh

#!/usr/bin/env bash

# Usage: ./resize-default.sh /path/to/folder
#
# Expects there to be a Source.png which is the iPad@2x.png resolution (1536x2048)
# It then generates versions for iPad/iPad Mini and 3 iPhones (5/5S, 4/4S/3GS and 3G/2G)
#


if [ -z "$1" ]; then
  echo "USAGE: $0 [PATH]"
  exit 1
fi

cd "$1"


# iPad - 1536x2048
F="Default~iPad@2x.png"
echo -n "Making ${F}..."
cp Source.png "$F"
echo "Done"

# iPad - 768x1024
F="Default~iPad.png"
echo -n "Making ${F}..."
cp Source.png "$F"
convert "$F" -resize 768x1024 "$F"
echo "Done"

# iPhone - 640x1136
F="Default-568h@2x.png"
echo -n "Making ${F}..."
cp Source.png "$F"
convert "$F" -crop 1154x2048+191+0 -resize 640x1136 "$F"
echo "Done"

# iPhone - 640x960
F="Default@2x.png"
echo -n "Making ${F}..."
cp Source.png "$F"
convert "$F" -crop 1154x2048+191+0 -resize 640x1136 +repage -crop 640x960+0+88 "$F"
echo "Done"

# iPhone - 320x480
F="Default.png"
echo -n "Making ${F}..."
cp Source.png "$F"
convert "$F" -crop 1154x2048+191+0 -resize 640x1136 +repage -crop 640x960+0+88 -resize 320x480 "$F"
echo "Done"