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# Copyright (c) 1997-2015
# Ewgenij Gawrilow, Michael Joswig (Technische Universitaet Berlin, Germany)
# http://www.polymake.org
#
# 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 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# 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.
#-------------------------------------------------------------------------------
# common base class for some file-based visualization back-ends
package Visual::Drawing;
use Polymake::Struct (
[ new => ';$' ],
[ '$title' => '#1' ],
'@geometries',
[ '$unnamed' => '0' ],
);
sub append {
my $self = shift;
push @{$self->geometries}, @_;
foreach (@_) {
if (length($_->name)) {
$self->title //= $_->name;
} else {
$_->name="unnamed__" . ++$self->unnamed;
}
}
}
sub toString {
my $self=shift;
$self->header . join("", map { $_->toString } @{$self->geometries}) . $self->trailer;
}
1
# Local Variables:
# mode:perl
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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