#! /bin/bash

# Bourne shell script to manage the production of the 4pp LaTeX brochure
#
# This requires a full copy of LaTeX, and the pdf2ps and pstops utilities
#
# Peter Flynn, Silmaril Consultants, January 2013
#
# WARNING do not use Adobe Acrobat because it fouls up on the yinit
# Metafont initial.

YYYYMMDD=`date +%Y%m%d`

#########################################################################
#
# Make the A4 version

latex brochure
pdflatex brochure
cp brochure.pdf brochure-a4.pdf
dvips -o brochure.ps brochure.dvi

#########################################################################
#
# Make the Letter version (a kludge; we should rewrite as a parameter)

sed -e "s+a4paper+letterpaper+" brochure.sty >tmp
mv -f tmp brochure.sty
pdflatex brochure
cp brochure.pdf brochure-letter.pdf
sed -e "s+letterpaper+a4paper+" brochure.sty >tmp
mv -f tmp brochure.sty

#########################################################################
#
# Make Postscript from the A4 PDF and impose it 2-up to A3 landscape

echo Converting A4 to Postscript...
pdf2ps brochure-a4.pdf
echo Imposing...

# This is how it should be (no offsets)
#pstops -pa3 "4:-3L(29.7cm,0mm)+0L(29.7cm,21cm)" brochure-a4.ps brochure-a3folderFB.ps
#pstops -pa3 "4:1L(29.7cm,0mm)+-2L(29.7cm,21cm)" brochure-a4.ps brochure-a3folderIN.ps

# Adapted for HP DeskJet K-7100 and the Okular PDF reader under Xubuntu 12.10
# Set the paper size to A3 Small Margins and print in Landscape mode 
# Page images have been dragged right 2mm to accommodate the printer offset
pstops -pa3 "4:-3L(29.7cm,-2mm)+0L(29.7cm,20.8cm)" brochure-a4.ps brochure-a3folderFB.ps
pstops -pa3 "4:1L(29.7cm,-2mm)+-2L(29.7cm,20.8cm)" brochure-a4.ps brochure-a3folderIN.ps

echo Converting front/back to PDF...
ps2pdf -sPAPERSIZE=a3 brochure-a3folderFB.ps
echo Converting inside pages to PDF...
ps2pdf -sPAPERSIZE=a3 brochure-a3folderIN.ps

###########################################################################
#
# Letter is 8.5in × 11in or 215.9mm × 279.4mm
# Ledger is 17in × 11in or 432mm × 279mm (Tabloid is Ledger rotated,
# so the final print probably has to lie about the orientation.)
 
echo Converting Letter to Postscript...
pdf2ps brochure-letter.pdf
echo Imposing...

# Adapted for HP DeskJet K-7100 and the Okular PDF reader under Xubuntu 12.10
# Set the paper size to Ledger and print in Portrait mode (NOT Landscape!)
# Page images have been dragged right 2mm to accommodate the printer offset
pstops -ptabloid "4:-3L(11in,-2mm)+0L(11in,8.4in)" brochure-letter.ps brochure-ledgerfolderFB.ps
pstops -ptabloid "4:1L(11in,-2mm)+-2L(11in,8.4in)" brochure-letter.ps brochure-ledgerfolderIN.ps

echo Converting front/back to PDF...
ps2pdf -sPAPERSIZE=tabloid brochure-ledgerfolderFB.ps
echo Converting inside pages to PDF...
ps2pdf -sPAPERSIZE=tabloid brochure-ledgerfolderIN.ps

for o in FB IN; do
    pdftoppm brochure-a3folder$o.pdf $o
    for f in *.ppm; do 
	pnmscale -width=512 $f|pnmtojpeg >${f/ppm/jpg}
    done
done

lynx -dump index.html >README

cat MANIFEST | zip latex-brochure-$YYYYMMDD.zip -@

echo Done.