#!/bin/bash 
# Make a new wallpaper
#set -x
FONT=Delirium-Regular
TMP=`mktemp`
MONTH=`date -d "next month" "+%m %Y"`;
cal $MONTH > $TMP
TITLE=`cat $TMP|head -n 1`

convert -size 700x100 xc:transparent -font $FONT -pointsize 32 -annotate +30+30 "$TITLE" $TMP.png
gimp  --batch-interpreter plug-in-script-fu-eval -i -d -b '(script-autocrop "'$TMP.png'")' -b '(gimp-quit 0)' >> /dev/null 2>&1
mogrify -bordercolor transparent -border 10 $TMP.png
grep -v "$TITLE" $TMP > $TMP.tmp
mv $TMP.tmp $TMP

#Do something {{{
CHANGE_CHAR () {
	if [ "$CHAR" == "sp" ]
	then
		CHAR=""
	fi
	if [ "$CHAR" == "nl" ]
	then
		CHAR=""
	fi
}
# /* }}} */
# Make the individual files {{{
INDIVIDUAL () {
CHARCOUNT="1"
for CHAR in `od -An -av $TMP`
#for CHAR in `cat $TMP`
do
	printf "$CHAR   \r"
	CHANGE_CHAR
	let COUNT=$COUNT+1
	FILE=`printf %03d $COUNT`.png
	if [ "$CHAR" == "" ]
	then
		convert -size 1x1 xc:transparent $FILE
	else
		convert -size 100x100 xc:transparent -font $FONT -pointsize 32 -annotate +30+30 "$CHAR" $FILE
		gimp  --batch-interpreter plug-in-script-fu-eval -i -d -b '(script-autocrop "'$FILE'")' -b '(gimp-quit 0)' >> /dev/null 2>&1
		mogrify -bordercolor transparent -border 2 $FILE
	fi
done
}
# }}}

INDIVIDUAL

#
#set -x
LINE=`cat $TMP|wc -c`
COUNT=0
while [ "$COUNT" -lt "$LINE" ]
do
	FILES=""
	for CAR in `seq 3`
	do
		let COUNT=$COUNT+1
		FILE=`printf %03d $COUNT`.png
		FILES="$FILES $FILE"
	done
	# Turn each 3 into 1
	let MONT=$MONT+1
	montage $FILES -tile 3x1 -mode concatenate -background transparent mont_`printf %02d $MONT`.png
done

montage m*.png -tile 7x -geometry -2-2 -background transparent calendar.png
montage $TMP.png calendar.png -tile 1x2 -mode concatenate -background transparent 00cal.gif

rm $TMP* *.png