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|
#!/bin/sh
## @file
## @brief This is a helper script that rotates image files according to the metadata
##
## Requirements: ImageMagick, exiftran, exiv2
##
GQ_METADATA_DIR="$HOME/.local/share/geeqie/metadata"
gq_exiftran()
{
if ! [ -x "$(command -v exiftran)" ]
then
zenity --title="Geeqie rotate" --info --width=200 --text="Exiftran is not installed" --window-icon=/usr/local/share/pixmaps/geeqie.png 2> /dev/null
exit 0
fi
exiftran "$@"
}
gq_exiv2()
{
if ! [ -x "$(command -v exiv2)" ]
then
zenity --title="Geeqie rotate" --info --width=200 --text="Exiv2 is not installed" --window-icon=/usr/local/share/pixmaps/geeqie.png 2> /dev/null
exit 0
fi
exiv2 "$@"
}
gq_mogrify()
{
if ! [ -x "$(command -v mogrify)" ]
then
zenity --title="Geeqie rotate" --info --width=200 --text="ImageMagick is not installed" --window-icon=/usr/local/share/pixmaps/geeqie.png 2> /dev/null
exit 0
fi
mogrify "$@"
}
rotate()
{
ext=$(echo "${1##*.}" | tr "[:upper:]" "[:lower:]")
[ "$ext" = "" ] && return 1 #no extension
gq_metadata="$GQ_METADATA_DIR/$1.gq.xmp"
if [ -f "$gq_metadata" ]
then
gq_orientation=$(gq_exiv2 -PXkv "$gq_metadata" | grep Xmp.tiff.Orientation | sed -e "s|Xmp.tiff.Orientation *||")
# shellcheck disable=2181
[ $? != 0 ] && exit 1
else
gq_orientation=
fi
case "$ext" in
jpg | jpeg)
if [ -n "$gq_orientation" ]
then
gq_exiv2 -M "set Exif.Image.Orientation $gq_orientation" "$1"
# shellcheck disable=2181
[ $? != 0 ] && exit 1
fi
if gq_exiftran -aip "$1"
then
# exiftran ignores xmp, set it manually
gq_exiv2 -M "set Xmp.tiff.Orientation 1" "$1"
# shellcheck disable=2181
[ $? != 0 ] && exit 1
#http://dev.exiv2.org/issues/639
if [ -n "$gq_orientation" ]
then
gq_exiv2 -M "set Xmp.tiff.Orientation 1" \
-M "set Exif.Image.Orientation 1" "$gq_metadata"
# shellcheck disable=2181
[ $? != 0 ] && exit 1
fi
return 0
else
exit 1
fi
;;
tif | tiff | png)
if [ -n "$gq_orientation" ]
then
gq_exiv2 -M "set Exif.Image.Orientation $gq_orientation" "$1"
# shellcheck disable=2181
[ $? != 0 ] && exit 1
fi
if gq_mogrify -auto-orient "$1"
then
# mogrify ignores xmp, set it manually
gq_exiv2 -M "set Xmp.tiff.Orientation 1" "$1"
# shellcheck disable=2181
[ $? != 0 ] && exit 1
#http://dev.exiv2.org/issues/639
if [ -n "$gq_orientation" ]
then
gq_exiv2 -M "set Xmp.tiff.Orientation 1" \
-M "set Exif.Image.Orientation 1" "$gq_metadata"
# shellcheck disable=2181
[ $? != 0 ] && exit 1
fi
return 0
else
exit 1
fi
;;
*) #not supported
return 4
;;
esac
}
rotate_image_file()
{
ext=$(echo "${3##*.}" | tr "[:upper:]" "[:lower:]")
[ "$ext" = "" ] && return 1 #no extension
case "$ext" in
jpg | jpeg)
gq_exiftran -i "$1" "$3"
# shellcheck disable=2181
[ $? != 0 ] && return 6
return 0
;;
tif | tiff | png)
gq_mogrify "$2" "$3"
# shellcheck disable=2181
[ $? != 0 ] && return 7
return 0
;;
*) #not supported
return 4
;;
esac
}
get_sidecars=
if [ "$1" = "-g" ]
then
get_sidecars=yes
shift
fi
rotate_image_file=
rotation=
if [ "$1" = "-r" ]
then
rotate_image_file=yes
shift
rotation="$1"
shift
fi
preserve_mtime=
if [ "$1" = "-t" ]
then
preserve_mtime=yes
shift
fi
if [ -n "$rotation" ]
then
if [ "$rotation" = "0" ]
then
exit 0
fi
if [ "$rotation" = "2" ]
then
mogrify_param="-flop"
exiftran_param="-F"
fi
if [ "$rotation" = "3" ]
then
mogrify_param="-rotate 180"
exiftran_param="-1"
fi
if [ "$rotation" = "4" ]
then
mogrify_param="-flip"
exiftran_param="-f"
fi
if [ "$rotation" = "5" ]
then
mogrify_param="-transpose"
exiftran_param="-t"
fi
if [ "$rotation" = "6" ]
then
mogrify_param="-rotate 90"
exiftran_param="-9"
fi
if [ "$rotation" = "7" ]
then
mogrify_param="-transverse"
exiftran_param="-T"
fi
if [ "$rotation" = "8" ]
then
mogrify_param="-rotate -90"
exiftran_param="-2"
fi
fi
# iterate over files on commandline
for file in "$@"
do
if [ -n "$get_sidecars" ]
then
# we got only one file for each group, typically the main one
# get the sidecars:
geeqie --remote --get-sidecars="$file" | while read -r sidecar
do
# the main file is included in the sidecar file list, no special handling is required
[ ! -w "$sidecar" ] && exit 5
rotate "$sidecar"
ret=$?
done
# Bourne shell runs DO loops in a sub-shell
ret=$?
[ "$ret" != 0 ] && exit "$ret"
else
[ ! -w "$file" ] && exit 5
if [ -n "$rotate_image_file" ]
then
if [ -n "$preserve_mtime" ]
then
mtime=$(mktemp "${TMPDIR:-/tmp}/geeqie-rotate.XXXXXXXXXX") || exit 3
touch --reference="$file" "$mtime"
fi
rotate_image_file "$exiftran_param" "$mogrify_param" "$file"
ret=$?
if [ -n "$preserve_mtime" ]
then
touch --reference="$mtime" "$file"
rm "$mtime"
fi
[ "$ret" != 0 ] && exit "$ret"
else
rotate "$file"
ret=$?
[ "$ret" != 0 ] && exit "$ret"
fi
fi
done
exit 0
|
