Fix #264, 274, 285, 436: Add 'Losslessly rotate image' keyboard shortcuts

[geeqie.git] / plugins / rotate / geeqie-rotate

diff --git a/plugins/rotate/geeqie-rotate b/plugins/rotate/geeqie-rotate
index 1c1184e..ec82cc0 100755 (executable)
--- a/plugins/rotate/geeqie-rotate
+++ b/plugins/rotate/geeqie-rotate
@@ -47,12 +47,83 @@ rotate()
     esac
 }
 
+rotate_image_file()
+{
+       ext=`echo "${3##*.}" |tr "[:upper:]" "[:lower:]"`
+       [ "x$ext" = "x" ] && return 4 #no extension
+
+       case "$ext" in
+       jpg|jpeg)
+               exiftran -i "$1" "$3"
+               return 0
+               ;;
+
+       tif|tiff|png)
+               mogrify $2 "$3"
+               return 0
+               ;;
+
+       *)      #not supported
+               return 4
+               ;;
+       esac
+}
+
 get_sidecars=
 if [ "x$1" = "x-g" ] ; then
     get_sidecars=yes
     shift
 fi
 
+rotate_image_file=
+rotation=
+if [ "x$1" = "x-r" ] ; then
+       rotate_image_file=yes
+       shift
+       rotation="$1"
+       shift
+fi
+
+preserve_mtime=
+if [ "x$1" = "x-t" ] ; then
+       preserve_mtime=yes
+       shift
+fi
+
+if [ -n "$rotation" ] ; then
+       if [ "x$rotation" = "x0" ] ; then
+               exit 0
+       fi
+       if [ "x$rotation" = "x2" ] ; then
+               mogrify_param="-flop"
+               exiftran_param="-F"
+       fi
+       if [ "x$rotation" = "x3" ] ; then
+               mogrify_param="-rotate 180"
+               exiftran_param="-1"
+       fi
+       if [ "x$rotation" = "x4" ] ; then
+               mogrify_param="-flip"
+               exiftran_param="-f"
+       fi
+       if [ "x$rotation" = "x5" ] ; then
+               mogrify_param="-transpose"
+               exiftran_param="-t"
+       fi
+       if [ "x$rotation" = "x6" ] ; then
+               mogrify_param="-rotate 90"
+               exiftran_param="-9"
+       fi
+       if [ "x$rotation" = "x7" ] ; then
+               mogrify_param="-transverse"
+               exiftran_param="-T"
+       fi
+       if [ "x$rotation" = "x8" ] ; then
+               mogrify_param="-rotate -90"
+               exiftran_param="-2"
+       fi
+fi
+
 # iterate over files on commandline
 for file in "$@" ; do
     if [ -n "$get_sidecars" ] ; then
@@ -63,7 +134,25 @@ for file in "$@" ; do
             rotate "$sidecar"
         done
     else
-        rotate "$file"
+               if [ -n "$rotate_image_file" ] ; then
+                       if [ -n "$preserve_mtime" ] ; then
+                               mtime=`mktemp /tmp/geeqie-rotate.XXXXXXXXXX` || exit 3
+                               touch --reference="$file" "$mtime"
+                       fi
+
+                       rotate_image_file "$exiftran_param" "$mogrify_param" "$file"
+                       ret=$?
+
+                       if [ -n "$preserve_mtime" ] ; then
+                               touch --reference="$mtime" "$file"
+                               rm "$mtime"
+                       fi
+                       if [ $ret -eq 4 ] ; then
+                               exit 4
+                       fi
+               else
+                       rotate "$file"
+               fi
     fi
 done