#!/bin/bash
#################################################
# Script to convert RGB image files to CMYK tiff with a selected color profile and compression method
# script does not modify the file which you select, it creates a new with '_CMYK.tif' extension.
# It cannot convert a directory but you can select several files.
# 
#
#

#################################################
version="0.1"
#
		###### Default = English #####
		title="RGBimg2CMYKtiff "$version""
		pleasesel="Please select at least one file."
		noselec=""$title" Script to convert RGB image files to CMYK tiff with a selected color profile. "$pleasesel""
		nobin="Program Imagemagick/convert is not installed, please install !"
		warning="Warning"
		comp="Tif compression"
		exportof="tiff compression selection"
		Resolution="Resolution"
		resolinf="Select image resolution"
		inputcol="Input color profile"
		outputcol="Output color profile"
		Working="Working"
		Done="Done!"
	case $LANG in
		######## Magyarul #########
		hu* )
		title="images2jpg "$version""
		pleasesel="Kérlek válassz ki legalább 1 fájlt!"
		noselec=""$title"konverter RGB képből CMYK tiffbe."$pleasesel""
		warning="Figyelem"
		nobin="Az Imagemagick nem található, telepítsd!"
		comp="Tif tömörítés"
		exportof="TIFF tömörítési mód kiválasztása"
		Resolution="Felbontás (dpi)"
		resolinf="Kép felbontás kiválasztása"
		inputcol="Bemeneti színprofil"
		outputcol="Kimeneti színprofil"
		Working="Konverzió folyamatban"
		Done="Az exportálás kész!" ;;
	esac

#################################################
#	PROGRAM Section
######## Test dependency ########################

which convert 2>/dev/null
if [ $? != 0 ]
then
	zenity --error --title="$title" --text="$nobin"
	exit 0
fi

######## File selection check ########
if [ $# -eq 0 ]; then
	zenity --error --title="$warning" --text="$noselec"
	exit 1
fi
######## creating output directory ########
mkdir CMYK_tiff_output

######## quality settings ########
while [ ! "$compress" ]
do
	compress=`zenity --title "$title" --list --radiolist --height=300 --width=300 --column="" --column="$comp" TRUE "LZW" FALSE "JPEG" FALSE "JPEG2000" FALSE "Lossless" FALSE "LosslessJPEG" FALSE "None" --text "$exportof"`
	if  [ $? != 0 ]; then
		exit 1
	fi
	[ $? -ne 0 ] && exit 2
done

######## resolution settings ########
while [ ! "$sample" ]
do
	sample=`zenity --title="$title" --list --radiolist --height=300 --width=300 --column="" --column="$Resolution:" FALSE "90x90" FALSE "120x120" TRUE "300x300" FALSE "600x600" FALSE "1200x1200" --text "$resolinf"`
	if  [ $? != 0 ]; then
		exit 1
	fi
	[ $? -ne 0 ] && exit 2
done
######## color profile directory ########
iccdir="/usr/share/color/icc"

######## input profile settings ########
while [ ! "$inputprofile" ]
do
	inputprofile=`zenity --title="$title" --list --radiolist --height=300 --width=300 --print-column=3 \
	--column="selection" --column="$inputcol" --column=file\
		FALSE AdobeRGB1998 "$iccdir/AdobeRGB1998.icc"\
		FALSE ColorMatchRGB "$iccdir/ColorMatchRGB.icc"\
		TRUE sRGB "$iccdir/sRGB_adobe.icm"\
		FALSE eciRGB_v2 "$iccdir/eciRGB_v2.icc"\
		FALSE eciRGB_v2_ICCv4 "$iccdir/eciRGB_v2_ICCv4.icc"\
		FALSE sRGB_v4_ICC_preference "$iccdir/sRGB_v4_ICC_preference.icc"\
		FALSE sRGB_IEC61966-2-1_black_scaled "$iccdir/sRGB_IEC61966-2-1_black_scaled.icc"\
		FALSE sRGB_IEC61966-2-1_no_black_scaling "$iccdir/sRGB_IEC61966-2-1_no_black_scaling.icc"`
	if  [ $? != 0 ]; then
		exit 1
	fi
	[ $? -ne 0 ] && exit 2
done

######## output profile settings ########
while [ ! "$outputprofile" ]
do
	outputprofile=`zenity --title="$title" --list --radiolist --height=300 --width=300 --print-column=3 \
	--column="" --column="$outputcol" --column=file\
	FALSE CoatedFOGRA27 "$iccdir/CoatedFOGRA27.icc" \
	FALSE UncoatedFOGRA29 "$iccdir/UncoatedFOGRA29.icc" \
	FALSE EuroscaleUncoated "$iccdir/EuroscaleUncoated.icc" \
	TRUE EuroscaleCoated "$iccdir/EuroscaleCoated.icc" \
	FALSE ISOcoated_v2_eci "$iccdir/ISOcoated_v2_eci.icc" \
	FALSE ISOuncoated "$iccdir/ISOuncoated.icc" \
	FALSE ISOwebcoated "$iccdir/ISOwebcoated.icc" \
	FALSE USWebCoatedSWOP "$iccdir/USWebCoatedSWOP.icc"`
	if  [ $? != 0 ]; then
		exit 1
	fi
	[ $? -ne 0 ] && exit 2
done

######## rendering intent settings ########
while [ ! "$intent" ]
do
	intent=`zenity --title="$title" --list --radiolist --height=300 --width=300 --column="" --column="Rendering intent" TRUE "Perceptual" FALSE "Absolute" FALSE "Relative" FALSE "Saturation"`
	if  [ $? != 0 ]; then
		exit 1
	fi
	[ $? -ne 0 ] && exit 2
done


######## Conversion ########
while [ $# -gt 0 ]; do
	picture=$1
	tif_file=`echo "$picture" | sed 's/\.\w*$/_CMYK.tif/'`
	/usr/bin/mogrify -profile "$inputprofile" -profile "$outputprofile" -intent "$intent" -colorspace CMYK -depth 8 -set density "$sample" -compress "$compress" -path CMYK_tiff_output -format tiff "$picture" | zenity --progress --text="$Working" --pulsate --auto-close
	shift
done