#!/bin/sh # modified from https://github.com/daveish/png2icns for OSX 10.11 # USAGE # ./pngToIcns # Example # ./pngToIcns.sh ~/sample.png ~/Desktop/converted.icns # Exec Paths SIPS=$(which sips) ICONUTIL=$(which iconutil) IMAGEMAGICK=$(which convert) if [ ! -x "${SIPS}" ]; then echo "Cannot find required sips executable" >&2 exit 1; fi if [ ! -x "${ICONUTIL}" ]; then echo "Cannot find required iconutil executable" >&2 exit 1; fi if [ ! -x "${IMAGEMAGICK}" ]; then echo "Cannot find required ImageMagick Convert executable" >&2 exit 1; fi # Parameters SOURCE=$1 DEST=$2 # Get source image if [ -z "${SOURCE}" ]; then echo "No source image specified" exit 1 fi if [ -z "${DEST}" ]; then echo "No destination specified" exit 1 fi # File Infrastructure NAME=$(basename "${SOURCE}") EXT="${NAME##*.}" BASE="${NAME%.*}" ICONSET="${BASE}.iconset" # Debug Info # echo "SOURCE: ${SOURCE}" # echo "NAME: $NAME" # echo "BASE: $BASE" # echo "EXT: $EXT" # echo "ICONSET: $ICONSET" # Get source image info #SRCWIDTH=$( sips -g pixelWidth "${SOURCE}" | tail -n1 | awk '{print $2}') #SRCHEIGHT=$( sips -g pixelHeight "${SOURCE}" | tail -n1 | awk '{print $2}' ) #SRCFORMAT=$( sips -g format "${SOURCE}" | tail -n1 | awk '{print $2}' ) # Debug Info # echo "SRCWIDTH: $SRCWIDTH" # echo "SRCHEIGHT: $SRCHEIGHT" # echo "SRCFORMAT: $SRCFORMAT" # #if [ "x${SRCFORMAT}" != "xpng" ]; then # echo "ERR: Source image format should be png." >&2 # exit 1; #fi # Resample image into iconset mkdir "${ICONSET}" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 16x16 "${ICONSET}/icon_16x16.png" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 32x32 "${ICONSET}/icon_16x16@2x.png" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 32x32 "${ICONSET}/icon_32x32.png" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 64x64 "${ICONSET}/icon_32x32@2x.png" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 128x128 "${ICONSET}/icon_128x128.png" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 256x256 "${ICONSET}/icon_128x128@2x.png" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 256x256 "${ICONSET}/icon_256x256.png" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 512x512 "${ICONSET}/icon_256x256@2x.png" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 512x512 "${ICONSET}/icon_512x512.png" convert "${SOURCE}" -define png:big-depth=16 -define png:color-type=6 -sample 1024x1024 "${ICONSET}/icon_512x512@2x.png" # Create an icns file lefrom the iconset iconutil -c icns "${ICONSET}" -o ${DEST} # Clean up the iconset rm -rf "${ICONSET}"