blob: c5b1f4da0332bd7a13fbf6f4e1189d52fa7aaedd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
#!/bin/bash
# pdf2jpeg
#
# Rasterizes a PDF file, saving as a set of 24 bpp RGB images
#
# input: PDF
# root name of output files
# output: 24 bpp RGB jpeg 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 outjpgroot"
exit -1
fi
inpdffile=$1
outjpgroot=$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 $tmppdffile
# need mysterious "primer"
# choose one of the two options below
#--------------------------------------------------------------------#
# output image size depending on resolution #
#--------------------------------------------------------------------#
echo "0 neg 0 neg" translate | gs -sDEVICE=jpeg -sOutputFile=${outjpgroot}%03d.jpg -r300x300 -q - ${tmppdffile}
#echo "0 neg 0 neg" translate | gs -sDEVICE=jpeg -sOutputFile=${outjpgroot}%03d.jpg -r150x150 -q - ${tmppdffile}
#echo "0 neg 0 neg" translate | gs -sDEVICE=jpeg -sOutputFile=${outjpgroot}%03d.jpg -r75x75 -q - ${tmppdffile}
#--------------------------------------------------------------------#
# output fixed image size #
#--------------------------------------------------------------------#
#echo "0 neg 0 neg" translate | gs -sDEVICE=jpeg -sOutputFile=${outjpgroot}%03d.jpg -g2550x3300 -r300x300 -q - ${tmppdffile}
|
GitWeb
