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jlehikoinen/create_xcode_icns.sh

Created August 29, 2019 06:33
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  1. Janne Lehikoinen created this gist Aug 29, 2019.
    78 changes: 78 additions & 0 deletions create_xcode_icns.sh
    View file
    Original file line number Diff line number Diff line change
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    #!/bin/sh

    # ================================================
    # create_xcode_icns.sh
    #
    # Create Xcode iconset for macOS app from a 1024x1024 sized png file
    #
    # Drag png file to Terminal window to get the file path as a parameter for the script
    # Iconset will be created to the same folder where the original icon is
    # Import (drag&drop) icns file to Xcode
    # Edit Info.plist -> Icon file: icons_for_xcode
    # ================================================

    set -o nounset # Exit script if variable is not set

    ### Vars
    iconset_name="icons_for_xcode.iconset"
    number_of_parameters=$#
    all_parameters=( "$@" )

    ### Commands
    sips="/usr/bin/sips"

    ###

    function usage() {
    echo "Usage: $0 path/to/original-1024.png"
    }

    function preflight_checks() {

    # Check parameters
    if [ $number_of_parameters -eq 0 ]; then
    echo "ERROR: Missing parameter, png file path required."
    usage
    exit 1
    else
    orig_icon_file="${all_parameters[0]}"
    target_folder=$(dirname "$orig_icon_file")
    iconset_path="${target_folder}/${iconset_name}"
    fi

    if [[ ! -f "$orig_icon_file" ]]; then
    echo "ERROR: File not found: ${orig_icon_file}"
    usage
    exit 1
    fi
    }

    function create_icon_files() {

    # Create temp dir
    /bin/mkdir -p "$iconset_path"

    # Create files
    $sips -z 16 16 "$orig_icon_file" --out "$iconset_path"/icon_16x16.png
    $sips -z 32 32 "$orig_icon_file" --out "$iconset_path"/[email protected]
    $sips -z 32 32 "$orig_icon_file" --out "$iconset_path"/icon_32x32.png
    $sips -z 64 64 "$orig_icon_file" --out "$iconset_path"/[email protected]
    $sips -z 128 128 "$orig_icon_file" --out "$iconset_path"/icon_128x128.png
    $sips -z 256 256 "$orig_icon_file" --out "$iconset_path"/[email protected]
    $sips -z 256 256 "$orig_icon_file" --out "$iconset_path"/icon_256x256.png
    $sips -z 512 512 "$orig_icon_file" --out "$iconset_path"/[email protected]
    $sips -z 512 512 "$orig_icon_file" --out "$iconset_path"/icon_512x512.png
    /bin/cp "$orig_icon_file" "$iconset_path"/[email protected]

    # Convert .iconset -> .icns
    /usr/bin/iconutil -c icns "$iconset_path"

    # Delete temp folder
    # /bin/rm -r "$iconset_path"
    }

    #
    preflight_checks
    create_icon_files

    exit $?