#!/bin/bash
. setenv.sh

if [ -z "$PICCREATE" ]; then
    echo "please source the environment"
    exit 1
fi

O_ARGS=0
E_OPTERROR=85

USAGE="create a jpg file with the purl inside
Usage: `basename $0` [-hie]
    -i      id
    -e      extract
 Examples:
    to test the glyph later with inkscape:
    `basename $0` -i ../in/buchstabe_a.svg 
    to extract the points and text from the glyph:
    `basename $0` -i ../in/buchstabe_a.svg -e "


while getopts "i:eu:" Option
do
  case $Option in
    i) ID=$OPTARG;;
    e) EXTRACT=$OPTARG;;
    *) echo "$USAGE" >&2; exit 1;   # Default.
  esac
done

shift $(($OPTIND - 1))

if [ -z $ID ] ; then
    echo "-> no id/filename given"
    echo "$USAGE" >&2
    exit 1
fi

if [ -z "$ID" ]; then
    echo "please give a .svg file of a glyph as input"
    echo "$USAGE" >&2
    exit 1
fi
if [ -s "$ID" ]; then
    export BASE=`basename $ID .svg`
    export TARGET=$PICCREATE_OUT/$BASE.svg
else
    echo "input file does not exist"
    echo "$USAGE" >&2
    exit 1
fi

# extrahiere die wichtigen Zeilen aus dem Font
cat $ID | egrep  '<\<line\>|x1|x2|y1|y2|/>|style' | egrep -v '\<text\>|id=|http:'  > line-$BASE.svg
cat $ID | egrep  'circle|translate|\<r\>'                                     > circles-$BASE.svg
cat $ID | egrep  '<\<text|text\>>|\<x\>=|\<y\>=|tspan|style|preserve' | egrep -v '\<transform-center-x\>|\<window-|\<id\>=' > text-$BASE.svg

# reduziere einige Zeilen um bestimmte Muster
cat line-$BASE.svg | sed -e 's/inkscape:transform-center-x=".*"//g' > $$; mv $$ line-$BASE.svg
cat text-$BASE.svg | sed -e 's/inkscape:transform-center-y=".*"//g' > $$; mv $$ text-$BASE.svg


if [ -z "$EXTRACT" ];
then
    # schreib einen kompletten neuen Buchstaben zum testen
    echo '<svg xmlns="http://www.w3.org/2000/svg" version="1.1">' > $TARGET
    cat text-$BASE.svg      >> $TARGET
    cat circles-$BASE.svg   >> $TARGET
    cat line-$BASE.svg      >> $TARGET
    echo '</svg>'          >> $TARGET
else
    # schreib nur das extract zur Verwertung als Font in die Ausgabe
    touch $TARGET
    cat text-$BASE.svg      >> $TARGET
    cat circles-$BASE.svg   >> $TARGET
    cat line-$BASE.svg      >> $TARGET
fi

rm  line-$BASE.svg
rm  circles-$BASE.svg
rm  text-$BASE.svg