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Save pd95/f8afdeb6139d96019bd60b11a70d6367 to your computer and use it in GitHub Desktop.
| #!/bin/zsh | |
| # Shell Script to create all relevant icons from an high resolution artwork | |
| if [ "x$1" != "x" -a -f "$1" ] ; then | |
| INPUT=$1 | |
| else | |
| INPUT="Artwork.png" | |
| fi | |
| if [ ! -f "$INPUT" ]; then | |
| echo "Input file not specified" | |
| exit 1 | |
| fi | |
| mkdir -p AppIcons | |
| while IFS= read -r line ; do | |
| FILENAME=${line% *} | |
| SIZE=${line#* } | |
| if [ "x$FILENAME" != "x" ] ; then | |
| COMMAND="sips -s format png \"$INPUT\" --resampleHeightWidth $SIZE $SIZE --out \"AppIcons/$FILENAME\"" | |
| echo "$COMMAND" | |
| eval "$COMMAND" | |
| else | |
| echo "" | |
| fi | |
| done <<EOF | |
| AppIcon~iPhone-20@2x.png 40 | |
| AppIcon~iPhone-20@3x.png 60 | |
| AppIcon~iPhone-29@1x.png 29 | |
| AppIcon~iPhone-29@2x.png 58 | |
| AppIcon~iPhone-29@3x.png 87 | |
| AppIcon~iPhone-40@2x.png 80 | |
| AppIcon~iPhone-40@3x.png 120 | |
| AppIcon~iPhone-57@1x.png 57 | |
| AppIcon~iPhone-57@2x.png 114 | |
| AppIcon~iPhone-60@2x.png 120 | |
| AppIcon~iPhone-60@3x.png 180 | |
| AppIcon~iPad-20@1x.png 20 | |
| AppIcon~iPad-20@2x.png 40 | |
| AppIcon~iPad-29@1x.png 29 | |
| AppIcon~iPad-29@2x.png 58 | |
| AppIcon~iPad-40@1x.png 40 | |
| AppIcon~iPad-40@2x.png 80 | |
| AppIcon~iPad-76@1x.png 76 | |
| AppIcon~iPad-76@2x.png 152 | |
| AppIcon~iPad-83.5@2x.png 167 | |
| AppIcon~iOS-Marketing-1024@1x.png 1024 | |
| AppIcon~macOS-16@1x.png 16 | |
| AppIcon~macOS-16@2x.png 32 | |
| AppIcon~macOS-32@1x.png 32 | |
| AppIcon~macOS-32@2x.png 64 | |
| AppIcon~macOS-128@1x.png 128 | |
| AppIcon~macOS-128@2x.png 256 | |
| AppIcon~macOS-256@1x.png 256 | |
| AppIcon~macOS-256@2x.png 512 | |
| AppIcon~macOS-512@1x.png 512 | |
| AppIcon~macOS-512@2x.png 1024 | |
| EOF |
Thanks to pilgrim-ivanhoefor sharing his knowledge about the Xcode naming conventions on stack-overflow "What is the correct App Icon (appicon) naming convention for Xcode 9.2?". Now it is finally possible to drag all the icons to Xcodes AppIcon placeholder and they are automatically assigned to the correct placeholder.
Thank you so much! I have been looking for such an easy solution for years.
To save time to complete beginners like me: to run this, open Terminal, type sh , drag the .command file into the Terminal (it will paste its path), then drag your .png icon into the Terminal to and tap Enter.
The final command will look like this:
sh {PATH-TO-AppIcons.command} {PATH_TO_YOUR_PNG}
Also, in the file itself, I had to delete the ; at the end of line 16 for the script to run.
There are 3 formats that are asked by Xcode for iPhones that are not here, you can add them to the file too:
AppIcon~iPhone-29@1x.png 29
AppIcon~iPhone-57@1x.png 57
AppIcon~iPhone-57@2x.png 114
Here is the final script without the ; and with all the images formats:
#!/bin/zsh
# Shell Script to create all relevant icons from an high resolution artwork
if [ "x$1" != "x" -a -f "$1" ] ; then
INPUT=$1
else
INPUT="Artwork.png"
fi
if [ ! -f "$INPUT" ]; then
echo "Input file not specified"
exit 1
fi
mkdir -p AppIcons
while IFS= read -r line ; do
FILENAME=${line% *}
SIZE=${line#* }
if [ "x$FILENAME" != "x" ] ; then
COMMAND="sips -s format png \"$INPUT\" --resampleHeightWidth $SIZE $SIZE --out \"AppIcons/$FILENAME\""
echo "$COMMAND"
eval "$COMMAND"
else
echo ""
fi
done <<EOF
AppIcon~iPhone-20@2x.png 40
AppIcon~iPhone-20@3x.png 60
AppIcon~iPhone-29@1x.png 29
AppIcon~iPhone-29@2x.png 58
AppIcon~iPhone-29@3x.png 87
AppIcon~iPhone-40@2x.png 80
AppIcon~iPhone-40@3x.png 120
AppIcon~iPhone-57@1x.png 57
AppIcon~iPhone-57@2x.png 114
AppIcon~iPhone-60@2x.png 120
AppIcon~iPhone-60@3x.png 180
AppIcon~iPad-20@1x.png 20
AppIcon~iPad-20@2x.png 40
AppIcon~iPad-29@1x.png 29
AppIcon~iPad-29@2x.png 58
AppIcon~iPad-40@1x.png 40
AppIcon~iPad-40@2x.png 80
AppIcon~iPad-76@1x.png 76
AppIcon~iPad-76@2x.png 152
AppIcon~iPad-83.5@2x.png 167
AppIcon~iOS-Marketing-1024@1x.png 1024
EOF
Thanks @KevinQuisquater! I've updated my script accordingly, to ensure everybody gets the latest version.
It seems that zsh does not complain about the unnecessary ; I had added. The missing icons you've identified are probably due to my focus on iOS 13 and above. Probably older iOS releases/devices expect even more icon variants...
Thanks for the useful script. I think it's worth noting that when I used the script some of my icons where slightly of center. Resampling is quick approach, but I think I'm going to get better result rendering each on individually for the original art file.
Hi Roy
The result of the script depends on the quality of the input. Either your input image was not square (width = height) or the text was not aligned.
I tried to reproduce the problem myself and got an acceptable quality (see below). None of the icons seems to be misaligned.
I created these icons based on an artwork image with dimensions 1024x1024 and the text properly centered.
Best regards
Philipp
Ah, I thought the pixels where shifting from he resampling algorithm used in your script. I checked my 1024pt icon that I ran the script on and the text is actually off center. Thanks.
This script basically converts the input file (passed as an argument or "Artwork.png" in the current directory) and produces all relevant AppIcon files in the
AppIconsdirectory.