mirror of
https://github.com/Llewellynvdm/nativefier.git
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85 lines
2.5 KiB
Bash
Executable File
85 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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### USAGE
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# ./pngToIcns <input png> <outp icns>
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# Example
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# ./pngToIcns.sh ~/sample.png ~/Desktop/converted.icns
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# exit the shell script on error immediately
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set -e
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# import script as variable
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CONVERT_TO_PNG="${BASH_SOURCE%/*}/convertToPng"
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# Exec Paths
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ICONUTIL=$(which iconutil)
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IMAGEMAGICK_CONVERT=$(which convert)
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IMAGEMAGICK_IDENTIFY=$(which identify)
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if [ ! -x "${ICONUTIL}" ]; then
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echo "Cannot find required iconutil executable" >&2
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exit 1;
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fi
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if [ ! -x "${IMAGEMAGICK_CONVERT}" ]; then
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echo "Cannot find required ImageMagick Convert executable" >&2
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exit 1;
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fi
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if [ ! -x "${IMAGEMAGICK_IDENTIFY}" ]; then
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echo "Cannot find required ImageMagick Identify executable" >&2
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exit 1;
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fi
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# Parameters
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SOURCE=$1
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DEST=$2
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# Check source and destination arguments
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if [ -z "${SOURCE}" ]; then
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echo "No source image specified"
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exit 1
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fi
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if [ -z "${DEST}" ]; then
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echo "No destination specified"
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exit 1
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fi
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# File Infrastructure
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NAME=$(basename "${SOURCE}")
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EXT="${NAME##*.}"
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BASE="${NAME%.*}"
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TEMP_DIR="temp_icon"
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ICONSET="${BASE}.iconset"
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function cleanUp() {
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rm -rf "${TEMP_DIR}"
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rm -rf "${ICONSET}"
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}
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trap cleanUp EXIT
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mkdir -p "${TEMP_DIR}"
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mkdir -p "${ICONSET}"
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PNG_PATH="${TEMP_DIR}/icon.png"
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${CONVERT_TO_PNG} "${SOURCE}" "${PNG_PATH}"
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# Resample image into iconset
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 16x16 "${ICONSET}/icon_16x16.png"
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 32x32 "${ICONSET}/icon_16x16@2x.png"
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 32x32 "${ICONSET}/icon_32x32.png"
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 64x64 "${ICONSET}/icon_32x32@2x.png"
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 128x128 "${ICONSET}/icon_128x128.png"
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 256x256 "${ICONSET}/icon_128x128@2x.png"
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 256x256 "${ICONSET}/icon_256x256.png"
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 512x512 "${ICONSET}/icon_256x256@2x.png"
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 512x512 "${ICONSET}/icon_512x512.png"
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convert "${PNG_PATH}" -define png:big-depth=16 -define png:color-type=6 -sample 1024x1024 "${ICONSET}/icon_512x512@2x.png"
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# Create an icns file lefrom the iconset
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iconutil -c icns "${ICONSET}" -o "${DEST}"
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trap - EXIT
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cleanUp
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