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- #!/bin/bash
- # pdf2tiff
- #
- # Rasterizes a PDF file, saving as a set of g4 compressed tiff images
- #
- # input: PDF
- # root name of output files
- # output: g4 compressed tiff binary files for each page
- #
- # Note 1: Requires ghostscript
- #
- # Note 2: A modern alternative to ghostcript is to use poplar:
- # If the pdf is composed of images that were orthographically generated:
- # pdftoppm -png <pdf-file> <pdf-root> [output in png]
- # If the pdf is composed of images that were scanned:
- # pdftoppm -jpeg <pdf-file> <pdf-root> [output in jpeg]
- scriptname=${0##*/}
- if test $# != 2
- then
- echo "usage: " $scriptname " inpdffile outtifroot"
- exit -1
- fi
- inpdffile=$1
- outtifroot=$2
- # strip off directory and suffix parts of $1 to use in other names
- basename=${1##*/}
- baseroot=${basename%.*}
- # make names for temporary files
- tmppdffile=${baseroot}.$$_.pdf
- tmppdfroot=${tmppdffile%.*}
- # have the temporary files deleted on exit, interrupt, etc:
- trap "/bin/rm -f ${tmppdfroot}*" EXIT SIGHUP SIGINT SIGTERM
- cp $inpdffile $tmppdffile
- # need mysterious "primer"
- #echo "0 neg 0 neg" translate | gs -sDEVICE=tiffg4 -sOutputFile=${outtifroot}%03d.tif -r300x300 -q - ${tmppdffile}
- echo "0 neg 0 neg" translate | gs -sDEVICE=tiffg4 -sOutputFile=${outtifroot}%03d.tif -g2550x3300 -r300x300 -q - ${tmppdffile}
- #tiffcp -c g4 ${tmppsfile%.*}*.tif $outtiffile
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