#!/bin/sh -eu
# ###########################################################################
#             Thomas Dreibholz's R Simulation Scripts Collection
#                  Copyright (C) 2005-2025 Thomas Dreibholz
#
#               Author: Thomas Dreibholz, thomas.dreibholz@gmail.com
# ###########################################################################
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Contact: thomas.dreibholz@gmail.com

INPUT="Logo-SimProcTC.dia"
OUTPUT="Logo-SimProcTC"

# ====== Export Dia to PDF ==================================================
dia -n -t cairo-pdf -e "${OUTPUT}.pdf1.tmp" "${INPUT}"

# OLD:
# dia -n -t eps-pango -e "${OUTPUT}.eps" "${INPUT}"
# epstopdf --outfile="${OUTPUT}.pdf1.tmp" "${OUTPUT}.eps"

pdfcrop --hires "${OUTPUT}.pdf1.tmp" "${OUTPUT}.pdf2.tmp"

# ====== Make PDF with transparent background ===============================
# The background is specified as something like:
# 1 1 1 rg /a0 gs
# 0 0 596 843 re f
# => Remove the first occurrence only
qpdf -qdf "${OUTPUT}.pdf2.tmp" "${OUTPUT}.qdf1.tmp"
sed -e '0,/^.* re\( f\|\)$/s/^\(.* re\)\( f\|\)$/%% \1/' \
    -e '0,/^1 1 1 rg\( .*\|\)$/s/^\(1 1 1 rg\)\( .*\|\)$/%% \1/' \
   <"${OUTPUT}.qdf1.tmp" >"${OUTPUT}.qdf2.tmp"
fix-qdf "${OUTPUT}.qdf2.tmp" >"${OUTPUT}.pdf"

# ls -l "${OUTPUT}.qdf1.tmp" "${OUTPUT}.qdf2.tmp"
# colordiff "${OUTPUT}.qdf1.tmp" "${OUTPUT}.qdf2.tmp" || true

rm -f "${OUTPUT}.pdf1.tmp" "${OUTPUT}.pdf2.tmp" "${OUTPUT}.qdf1.tmp" "${OUTPUT}.qdf2.tmp"
