mirror of
https://github.com/Llewellynvdm/nativefier.git
synced 2024-12-24 11:05:26 +00:00
69 lines
1.3 KiB
Plaintext
69 lines
1.3 KiB
Plaintext
|
#!/bin/sh
|
||
|
|
||
|
# USAGE
|
||
|
|
||
|
# ./convertToPng <input png or ico> <outfilename>.png
|
||
|
# Example
|
||
|
# ./convertToPng ~/sample.ico ~/Desktop/converted.png
|
||
|
|
||
|
set -e
|
||
|
|
||
|
# 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"
|
||
|
exit 1
|
||
|
fi
|
||
|
|
||
|
if [ -z "${DEST}" ]; then
|
||
|
echo "No destination specified"
|
||
|
exit 1
|
||
|
fi
|
||
|
|
||
|
# File Infrastructure
|
||
|
NAME=$(basename "${SOURCE}")
|
||
|
EXT="${NAME##*.}"
|
||
|
BASE="${NAME%.*}"
|
||
|
TEMP_DIR="convert_temp"
|
||
|
|
||
|
function cleanUp() {
|
||
|
rm -rf "${TEMP_DIR}"
|
||
|
}
|
||
|
|
||
|
trap cleanUp EXIT
|
||
|
|
||
|
mkdir -p "${TEMP_DIR}"
|
||
|
|
||
|
# check if .ico is a sequence
|
||
|
# pipe into cat so no exit code is given for grep if no matches are found
|
||
|
IS_ICO_SET="$(identify ${SOURCE} | grep -e "\w\.ico\[0" | cat )"
|
||
|
|
||
|
convert "${SOURCE}" "${TEMP_DIR}/${BASE}.png"
|
||
|
if [ "${IS_ICO_SET}" ]; then
|
||
|
# extract the largest(?) image from the set
|
||
|
cp "${TEMP_DIR}/${BASE}-0.png" "${DEST}"
|
||
|
else
|
||
|
cp "${TEMP_DIR}/${BASE}.png" "${DEST}"
|
||
|
fi
|
||
|
|
||
|
rm -rf "${TEMP_DIR}"
|
||
|
|
||
|
trap - EXIT
|
||
|
cleanUp
|