#! /bin/bash
# A. Spiga - October-December 2008
# use: ps2png 
# options: -r 200 indicates a resolution of 200
#          -a indicates the alternate use of ps2epsi 

##########
resol=150
##########

while getopts "r:a" options; do
  case $options in
   r ) resol=${OPTARG} 
       echo conversion resolution is ${resol} resolution ;;
   a ) yeahyeah=1
  esac
done


if [[ $(ls | grep "\.ps") != "" ]]
then
	if [[ "${yeahyeah}" == "1" ]]
	then
		echo convert $(ls | grep "\.ps" | wc -l) ps files with ps2epsi
		find *.ps -exec ps2epsi {} \; 2> /dev/null
		rename -f 's/.epsi/.eps/' *.epsi
	else
		echo convert $(ls | grep "\.ps" | wc -l) ps files with convert		
		find *.ps -exec convert {} '{}.eps' \;
		rename -f 's/.ps.eps/.eps/' *.ps.eps
	fi
fi

if [[ $(ls | grep "\.eps") != "" ]]
then
echo convert $(ls | grep "\.eps" | wc -l) eps files
find *.eps -exec gs -sDEVICE=png16m -dTextAlphaBits=4 -sOutputFile={}.png -dNOPAUSE -dBATCH -dEPSCrop -r${resol}x${resol} {} > /dev/null 2> /dev/null \;
rename -f 's/.eps.png/.png/' *.eps.png
fi

#if [[ $(which pngnq) != "" ]]
#then
#echo optimizing ...
#pngnq -vf -s1 *.png > /dev/null 2> /dev/null
#rename -f 's/-nq8.png$/.png/' *.png
#fi

##if [[ $(which optipng) != "" ]]
##then
##echo optimizing 2 ...
##optipng -o7 *.png > /dev/null 2> /dev/null
##fi