diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /info/beginlatex/src/cutup |
Initial commit
Diffstat (limited to 'info/beginlatex/src/cutup')
-rw-r--r-- | info/beginlatex/src/cutup | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/info/beginlatex/src/cutup b/info/beginlatex/src/cutup new file mode 100644 index 0000000000..11766509de --- /dev/null +++ b/info/beginlatex/src/cutup @@ -0,0 +1,80 @@ +#! /bin/sh + +# Bourne shell script to cut slices of a JPG page image and make +# separate JPG files from each line. It used to convert to PNM to get the +# image size but this version assumes a whole uncropped page, so we give +# absolute coordinates for the starting-point. The master page is made +# by making a 1-page A4 PS file with dvips at 600dpi, then running GS on +# it with DEVICE=jpeggray and r=300. If you use other settings, open the +# JPG file in a graphics editor and work out initial values for LEFT, TOP, +# WIDTH, and SLICE by yourself. + +# Peter Flynn, Silmaril Consultants, 2000/2001/2002/2003 + +if [ -z "$1" ]; then + + echo You must give a filename to slice up + + exit 1 + +else + + FILE=`basename $1 .jpg` + +# Starting-point for TLC of first slice + +# LEFT=850 +# TOP=614 + + LEFT=1000 + TOP=2300 + +# WIDTH=`jpegtopnm $FILE.jpg | pnmfile | awk '{print $4}'` +# WIDTH=$[WIDTH-LEFT] +# WIDTH=1050 + + WIDTH=1000 + + HEIGHT=`jpegtopnm $FILE.jpg | pnmfile | awk '{print $6}'` + + SLICE=50 + + BOTTOM=$SLICE + +# we expect 36 lines of font samples + + while [ $BOTTOM -lt $HEIGHT ]; do + + BOTTOM=$[TOP+SLICE-1] + + COUNT=$[COUNT+1] + + if [ $COUNT -lt 10 ]; then + SEQ="0"$COUNT + else + SEQ=$COUNT + fi + + echo Cutting slice $COUNT from $TOP to $BOTTOM + + jpegtopnm $FILE.jpg | pnmcut $LEFT $TOP $WIDTH $SLICE | pnmcrop | ppmtojpeg >$FILE-$SEQ.jpg + + TOP=$[BOTTOM+1] + +# additional spacing to skip over table subheadings + + if [ $COUNT = 21 ]; then + + TOP=$[TOP + 136 - $SLICE] + + elif [ $COUNT = 31 ]; then + + TOP=$[TOP + 136 - $SLICE] + + fi + + done + +fi + +exit 0
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