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- #!/usr/bin/env bash
- # This script assumes that ImageMagick is installed and the convert command is accessible via the $PATH variable
- # Ensure that one argument has been passed in.
- if [ ! "$#" -eq 1 ]
- then
- echo -e "This script requires one argument.\\ne.g. iOS_icon_maker.sh app_icon.png"
- exit 1
- fi
- # Assign the argument to the path variable so it is easier to follow throughout the script.
- path=$1
- # Ensure that the path points to a valid file.
- if [ ! -f "$path" ]
- then
- echo "Path must point to a valid file."
- exit 1
- fi
- # This function takes in the dimension of the icon (it assumes the icon is a square) and the name of the file to save the icon to.
- function createIconImage()
- {
- iconDimension=$1
- iconName=$2
- convert "$path" -resize ${iconDimension}x${iconDimension}^ -gravity center -extent ${iconDimension}x${iconDimension} $iconName
- }
- # Create all the suggested icons for both the iPhone and iPad platforms to ensure the best appearance.
- # iOS 8.0+
- # iPhone 6 Plus
- createIconImage 180 icon-60@3x.png
- # iOS 7.0+
- # iPhone / iPod Touch
- createIconImage 60 icon-60.png
- createIconImage 120 icon-60@2x.png
- # ipad
- createIconImage 76 icon-76.png
- createIconImage 152 icon-76@2x.png
- # iOS 6.1
- # Spotlight iCon
- createIconImage 40 icon-40.png
- createIconImage 80 icon-40@2x.png
- # iPhone / iPod Touch
- createIconImage 57 icon-57.png
- createIconImage 114 icon-57@2x.png
- # iPad
- createIconImage 72 icon-72.png
- createIconImage 144 icon-72@2x.png
- # iPhone Spotlight and Settings Icon
- createIconImage 29 icon-29.png
- createIconImage 58 icon-29@2x.png
- # iPad Spotlight and Settings Icon
- createIconImage 50 icon-50.png
- createIconImage 100 icon-50@2x.png
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