Mac 修改应用图标

备注：这里图片尺寸必须是1024x1024

cd /Users/yangkejun/Desktop/xxx

mkdir Hexchat.iconset

sips -z 16 16     xxx.png --out Hexchat.iconset/icon_16x16.png
sips -z 32 32     xxx.png --out Hexchat.iconset/icon_16x16@2x.png
sips -z 32 32     xxx.png --out Hexchat.iconset/icon_32x32.png
sips -z 64 64     xxx.png --out Hexchat.iconset/icon_32x32@2x.png
sips -z 128 128   xxx.png --out Hexchat.iconset/icon_128x128.png
sips -z 256 256   xxx.png --out Hexchat.iconset/icon_128x128@2x.png
sips -z 256 256   xxx.png --out Hexchat.iconset/icon_256x256.png
sips -z 512 512   xxx.png --out Hexchat.iconset/icon_256x256@2x.png
sips -z 512 512   xxx.png --out Hexchat.iconset/icon_512x512.png
cp xxx.png Hexchat.iconset/icon_512x512@2x.png

iconutil -c icns Hexchat.iconset

rm -R Hexchat.iconset

command + i