#!/bin/bash 
#################################################
#	WHAT is Rotate-Mirror_pictures ?
# Script to rotate 90°, 180° or 270°, horizontal mirror, vertical mirror, automatic rotation from exif data.
# Rotate-Mirror_pictures modifies the file which you select so be carefull.
# If you use Rotate-Mirror_pictures script on a file all exif rotation informations are deleted !
# It cannot convert a directory but you can select several files.

#################################################
#		INFO
# Author : yeKcim - yeknan@yahoo.fr - http://yeknan.free.fr
# Licence : GNU GPL
# Dependency
#		zenity
#		mogrify (in imagemagick)
#		jhead (used if available, can't rotate automatically without it)
# Based on
#		WOM_audioconverter
# History
#		10.02.2006 :    v0.3	: Patch provided by Pat Carr
#					: Made auto depend on jhead available
#					: Added spanish translation
#		15.01.2006 :	v0.2	: + Auto
#					: + Delete exif rotation informations
#		05.03.2005 :	v0.1	: First public version 
# Install
# 		Put on ~/.gnome2/nautilus-scripts/
#		In a console : chmod u+x ~/.gnome2/nautilus-scripts/Rotate-Mirror_pictures

rotateopt="90 180 270 vertical horizontal"
can_auto="auto"
version="0.3"
#################################################
#	TRADUCTIONS
		###### Default = English #####
		title="Rotate-Mirror pictures "$version""
		pleasesel="Please select at least one file."
		noselec=""$title" rotate pictures. "$pleasesel""
		choix="Select an angle :"
		warning="Warning"
		recur=""$title" can't convert directory. "$pleasesel""
		conversion="Rotation of file :"
		nobin="Program mogrify is not installed, please install !"
		nobinj="Program jhead is not installed, please install !"
	case $LANG in
		######## Français ########
		fr* )
		title="Rotate-Mirror pictures "$version""
		pleasesel="Merci de selectionner au moins un fichier."
		noselec=""$title" permet de tourner des images. "$pleasesel""
		choix="Selectionnez un angle :"
		warning="Attention"
		recur=""$title" ne permet pas la conversion de dossiers. "$pleasesel""
		conversion="Rotation du fichier :"
		nobin="Le programme mogrify n'est pas installé, veuillez l'installer !"
		nobinj="Le programme jhead n'est pas installé, veuillez l'installer !" ;;
	esac
	case $LANG in
		######## Español ########
		es* )
		title="Rotate-Mirror pictures "$version""
		pleasesel="Por favor seleccione al menos un archivo."
		noselec=""$title" permite rotar imágenes. "$pleasesel""
		choix="Seleccione un ángulo :"
		warning="Atención"
		recur=""$title" no puede convertir directorios. "$pleasesel""
		conversion="Rotación de archivo :"
		nobin="El programa mogrify no está instalado, instálelo!"
		nobinj="El programa jhead no está instalado, instálelo!"
	esac

#################################################
#	PROGRAMME
#### Pas de fichiers sélectionné ###
if [ $# -eq 0 ]; then
	zenity --error --title="$warning" --text="$noselec"
	exit 1
fi
######## Test dépendance ########
which mogrify 2>/dev/null
if [ $? != 0 ]
then
	zenity --error --title="$title" --text="$nobin"
fi

which jhead 2>/dev/null
if [ $? != 0 ]
	can_auto="auto"
then
# comment if you don't want a warning every time it's run without jhead installed.
	zenity --warning --title="$title" --text="Jhead was not found, disabling auto-rotate"
	can_auto=""
fi

######## Fenêtre principale ########
while [ ! "$choixutilisateur" ] # Réafficher la fenêtre tant que l'utilisateur n'a pas fait de choix
do
	choixutilisateur=`zenity --title "$title" --list --column="Rotation" $rotateopt $can_auto --text "$choix" --height "250"`
	###### Choix -> Sortie boucle ######
	if  [ $? != 0 ]; then
		exit 1
	fi
	[ $? -ne 0 ] && exit 2 # Annulation
done
#### Rotation ####
case $choixutilisateur in
	90|180|270)
		mogrify -rotate $choixutilisateur $*
		;;
	vertical)
		mogrify -flip $*
		;;
	horizontal)
		mogrify -flop $*
		;;
	auto)
		jhead -autorot $*
		;;
esac

jhead -norot $*