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# -*- mode: python ; coding: utf-8 -*-
#
# Copyright (C) 2008-2025 Hartmut Goebel <h.goebel@crazy-compilers.com>
# SPDX-License-Identifier: GPL-3.0-or-later
#
# 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 <https://www.gnu.org/licenses/>.
#
#
# Build requirements
# - ImageMagick
#
Import('*')
def postersamples(pages_h, pages_v, which,
tiles_h=0,
numpages=0, reverse=False,
rotate=False, scale_to=100):
inputfile = 'testpage-%s.pdf' % which
geo = '%ix%ia4' % (pages_h, pages_v)
# create pdf poster
poster = env.Command('poster-%s-%s.pdf' % (which, geo),
inputfile,
'pdfposter -ma4 -p$POSTERSIZE $SOURCE $TARGET',
POSTERSIZE=geo)[0]
# montage the ppm imgages to show how they have to be glued together
tiles_h = tiles_h or pages_h
rotate = rotate and ' png:- | convert png:- -rotate -90 ' or ''
page_range = ''
if reverse:
# this is lazy: better way would be to get the number of pages
# from 'poster', but this would requier an extra builder
numpages = numpages or pages_h*pages_v
page_range = str(list( range(numpages-1, -1, -1))).replace(' ', '')
env.Command('poster-%s-%s.png' % (which, geo), poster,
"montage $SOURCE$RANGE "
" -background '#336699' -geometry ${SCALE}x+2+2 "
" -tile $P_COLS "
" $ROTATE $TARGET",
P_COLS=tiles_h, ROTATE=rotate, SCALE=scale_to,
RANGE=page_range)
env.Command(['testpage-tall.pdf', 'testpage-wide.pdf'],
'gen-examplepages.py',
'python $SOURCE $TARGETS')
env.Command('testpage-tall.png', 'testpage-tall.pdf',
"convert $SOURCE -background '#336699' $TARGET")
env.Command('testpage-wide.png', 'testpage-wide.pdf',
"convert $SOURCE -background '#336699' $TARGET")
# tall on two landscape sheets
postersamples(1, 2, 'tall', reverse=1)
# tall on two portrait sheets
postersamples(2, 1, 'tall', rotate=0)
# wide on two landscape sheets
postersamples(1, 2, 'wide', rotate=0)
# wide on two portrait sheets
postersamples(2, 1, 'wide')
# wide on landscape sheets (landscape a4 heigh)
postersamples(1, 99, 'wide', scale_to=50, rotate=1)
# wide on portrait sheets (portrait a4 heigh)
postersamples(99, 1, 'wide', scale_to=50, tiles_h=9)
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