#!/bin/bash

# Copyright (C) 2008 LAFKON/Christoph Haag.
#
# This is free software, and you may redistribute it under the GPL.
# This Software comes with absolutely no warranty.
# For details see the license (http://www.lafkon.net/gpl.txt)

FRAMECOUNTER=1
FRAMESPERPAGE=6
SEQUENCENAME=annagrath.de
SRCDIR=free/p/scans
OUTPUTDIR=free/p/ditails

FRAMEWIDTH=620
FRAMEHEIGHT=625
SPACETOP=100
SPACELEFT=120
SPACEBETWEENVERTICAL=100
SPACEBETWEENHORIZONTAL=120

HALFFRAMESDONE=`expr $FRAMESPERPAGE / 2 + 1`

#####################################################
cropFrames () {

  CURRENTFRAME=1
  FRAMECOUNTER=$2
  MARGINLEFT=$SPACELEFT
  MARGINTOP=$SPACETOP


  while [ $CURRENTFRAME -le $FRAMESPERPAGE ]
  do
	NUMBERING=`echo 000$FRAMECOUNTER |\
		rev |\
		cut -c 1-4 |\
		rev`

	  if [ $CURRENTFRAME -eq $HALFFRAMESDONE ] ; then
		MARGINLEFT=`expr $SPACELEFT + $FRAMEWIDTH + $SPACEBETWEENHORIZONTAL`
		MARGINTOP=$SPACETOP
  	  fi

	SEQUENCENAME=${1##*/}

	convert	-colorspace Gray -crop $FRAMEWIDTH\x$FRAMEHEIGHT+$MARGINLEFT+$MARGINTOP \
		$1 \
		$OUTPUTDIR/${SEQUENCENAME%.*}_$NUMBERING.jpg

	MARGINTOP=`expr $MARGINTOP + $FRAMEHEIGHT + $SPACEBETWEENVERTICAL`

	CURRENTFRAME=`expr $CURRENTFRAME + 1`
	FRAMECOUNTER=`expr $FRAMECOUNTER + 1`
  done
}
#####################################################

for JPG in `find $SRCDIR -name "*.jpg" | sort`
 do
	cropFrames $JPG 1
 done

	VEKTORDIR=free/v/ditails-roh

for PIC in `find $OUTPUTDIR -name "*.jpg" | sort`
 do
      NAME=${PIC##*/}
      autotrace -background-color=FFFFFF \
		-color-count 2 \
		-corner-always-threshold 170 \
		-filter-iterations 10 \
		-corner-threshold 100 \
		-output-file=$VEKTORDIR/${NAME%.*}.pdf \
		$PIC
 done
			  
exit 0;