mirror of
https://github.com/Llewellynvdm/nativefier.git
synced 2024-11-14 17:14:03 +00:00
77 lines
1.8 KiB
Bash
Executable File
77 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
# USAGE
|
|
|
|
# ./convertToPng <input png or ico> <outfilename>.png
|
|
# Example
|
|
# ./convertToPng ~/sample.ico ~/Desktop/converted.png
|
|
|
|
set -e
|
|
|
|
HAVE_IMAGEMAGICK=
|
|
HAVE_GRAPHICSMAGICK=
|
|
|
|
type convert &>/dev/null && type identify &>/dev/null && HAVE_IMAGEMAGICK=true
|
|
type gm &>/dev/null && gm version | grep GraphicsMagick &>/dev/null && HAVE_GRAPHICSMAGICK=true
|
|
|
|
if [[ -z "$HAVE_IMAGEMAGICK" && -z "$HAVE_GRAPHICSMAGICK" ]]; then
|
|
type convert >/dev/null 2>&1 || echo >&2 "Cannot find required ImageMagick 'convert' executable"
|
|
type identify >/dev/null 2>&1 || echo >&2 "Cannot find required ImageMagick 'identify' executable"
|
|
type gm &>/dev/null && gm version | grep GraphicsMagick &>/dev/null && echo >&2 "Cannot find GraphicsMagick"
|
|
echo >&2 "ImageMagic or GraphicsMagic is required, please ensure they are in your PATH"
|
|
exit 1
|
|
fi
|
|
|
|
CONVERT="convert"
|
|
IDENTIFY="identify"
|
|
if [[ -z "$HAVE_IMAGEMAGICK" ]]; then
|
|
# we must have GraphicsMagick then
|
|
CONVERT="gm convert"
|
|
IDENTIFY="gm identify"
|
|
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 "${SOURCE}")
|
|
BASE="${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
|