mirror of
https://github.com/Llewellynvdm/nativefier.git
synced 2024-12-23 18:48:55 +00:00
72 lines
1.4 KiB
Bash
Executable File
72 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# USAGE
|
|
|
|
# ./extractIco <input ico> <outp ico>
|
|
# Make sure the output extension is '.ico'!
|
|
|
|
# Example
|
|
# ./extractIco.sh ~/SOME_MULTIPLE_ICO.png ~/Desktop/SINGLE.ico
|
|
|
|
# Exec Paths
|
|
IMAGEMAGICK_CONVERT=$(which convert)
|
|
IMAGEMAGICK_IDENTIFY=$(which identify)
|
|
|
|
if [ ! -x "${IMAGEMAGICK_CONVERT}" ]; then
|
|
echo "Cannot find required ImageMagick Convert executable" >&2
|
|
exit 1;
|
|
fi
|
|
if [ ! -x "${IMAGEMAGICK_IDENTIFY}" ]; then
|
|
echo "Cannot find required ImageMagick Identify executable" >&2
|
|
exit 1;
|
|
fi
|
|
|
|
# Parameters
|
|
SOURCE=$1
|
|
DEST=$2
|
|
|
|
# Check source and destination arguments
|
|
if [ -z "${SOURCE}" ]; then
|
|
echo "No source image specified" >&2
|
|
exit 1
|
|
fi
|
|
|
|
if [ -z "${DEST}" ]; then
|
|
echo "No destination specified" >&2
|
|
exit 1
|
|
fi
|
|
|
|
# check if source exists
|
|
if [ ! -f "${SOURCE}" ]; then
|
|
echo "Source file not found" >&2
|
|
exit 1
|
|
fi
|
|
|
|
# File Infrastructure
|
|
NAME=$(basename "${SOURCE}")
|
|
EXT="${NAME##*.}"
|
|
BASE="${NAME%.*}"
|
|
TEMP_DIR="${BASE}.iconset"
|
|
|
|
if [ "${EXT}" != "ico" ]; then
|
|
echo "Source file is not a .ico" >&2
|
|
exit 1
|
|
fi
|
|
|
|
# check if .ico is a sequence
|
|
IS_ICO_SET="$(identify ${SOURCE} | grep -e "\w\.ico\[0")"
|
|
|
|
if [ "${IS_ICO_SET}" ]; then
|
|
mkdir "${TEMP_DIR}"
|
|
|
|
# extract the largest(?) image from the set
|
|
convert "${SOURCE}" "${TEMP_DIR}/${BASE}.png"
|
|
convert "${TEMP_DIR}/${BASE}-0.png" "${DEST}"
|
|
|
|
# Clean up the temp dir
|
|
rm -rf "${TEMP_DIR}"
|
|
else
|
|
cp "${SOURCE}" "${DEST}"
|
|
fi
|
|
|