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https://github.com/Llewellynvdm/nativefier.git
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69 lines
1.9 KiB
Bash
Executable File
69 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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### USAGE
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# ./convertToIconset <input png> <outp iconset>
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# Example
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# ./convertToIconset ~/sample.png ~/Desktop/converted.iconset
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# exit the shell script on error immediately
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set -e
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make_iconset_imagemagick() {
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local file iconset
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file="${1}"
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iconset="${2}"
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mkdir "$iconset"
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for size in {16,32,64,128,256,512}; do
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$CONVERT "${file}" -define png:big-depth=16 -define png:color-type=6 -sample "${size}x${size}" "${iconset}/icon_${size}x${size}.png"
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$CONVERT "${file}" -define png:big-depth=16 -define png:color-type=6 -sample "$((size * 2))x$((size * 2))" "${iconset}/icon_${size}x${size}@2x.png"
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done
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}
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make_iconset_sips() {
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local file iconset
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file="${1}"
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iconset="${2}"
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mkdir "$iconset"
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for size in {16,32,64,128,256,512}; do
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sips --setProperty format png --resampleHeightWidth "${size}" "${size}" "${file}" --out "${iconset}/icon_${size}x${size}.png" &> /dev/null
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sips --setProperty format png --resampleHeightWidth "$((size * 2))" "$((size * 2))" "${file}" --out "${iconset}/icon_${size}x${size}@2x.png" &> /dev/null
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done
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}
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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 >&2 "No source image specified"; exit 1
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fi
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if [ -z "${DEST}" ]; then
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echo >&2 "No destination specified"; exit 1
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fi
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HAVE_IMAGEMAGICK=
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HAVE_SIPS=
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HAVE_GRAPHICSMAGICK=
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CONVERT=
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type gm &>/dev/null && gm version | grep GraphicsMagick &>/dev/null && HAVE_GRAPHICSMAGICK=true && CONVERT="gm convert"
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type convert &>/dev/null && HAVE_IMAGEMAGICK=true && CONVERT="convert"
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type sips &>/dev/null && HAVE_SIPS=true
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if [[ -n "$HAVE_IMAGEMAGICK" || -n "$HAVE_GRAPHICSMAGICK" ]]; then
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PNG_PATH="$(mktemp -d)/icon.png"
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"${BASH_SOURCE%/*}/convertToPng" "${SOURCE}" "${PNG_PATH}"
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make_iconset_imagemagick "${PNG_PATH}" "${DEST}"
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elif [[ -n "$HAVE_SIPS" ]]; then
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make_iconset_sips "${SOURCE}" "${DEST}"
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else
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echo >&2 "Cannot find convert or sips executables"; exit 1;
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fi
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