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##################################################################
package Geo::OSM::MapFeatures;
##################################################################
use Exporter;
@ISA = qw( Exporter );
use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $VERSION);
@EXPORT = qw( );
use strict;
use warnings;
use HTTP::Request;
use File::Basename;
use File::Copy;
use File::Path;
use Getopt::Long;
use HTTP::Request;
use Storable ();
use Data::Dumper;
use Utils::File;
use Utils::Debug;
use Utils::LWP::Utils;
use XML::Parser;
use XML::Simple;
my $self;
# ------------------------------------------------------------------
sub style($){
my $self = shift;
}
# ------------------------------------------------------------------
# load the complete MapFeatures Structure into memory
sub load($;$){
my ($class, $filename) = @_;
#$filename ||= '../../freemap/freemap.xml';
$filename ||= './map-features.xml';
print("Loading Map Features from $filename\n") if $VERBOSE || $DEBUG;
print "$filename: ".(-s $filename)." Bytes\n" if $DEBUG;
print STDERR "Parsing file: $filename\n" if $DEBUG;
my $fh = data_open($filename);
if (not $fh) {
print STDERR "WARNING: Could not open osm data from $filename\n";
return;
}
my $self = XMLin($fh);
if (not $self) {
print STDERR "WARNING: Could not parse osm data from $filename\n";
return;
}
#delete $self->{defs}->{symbol};
#warn Dumper(\$self->{defs});
#warn Dumper(\$self->{data});
#warn Dumper(\$self->{rule});
#warn Dumper(keys %{$self});
#warn Dumper(%{$self});
bless($self,$class);
return $self;
}
# ------------------------------------------------------------------
# Load icons into memory nad create a PDF Version out of it
sub load_icons($$){
my $self = shift;
my $PDF = shift;
die "No PDF Document defined\n" unless $PDF;
print STDERR "load_icons():\n" if $DEBUG;
# print STDERR Dumper(\$self);
for my $rule ( @{$self->{rule}} ) {
my $img = $rule->{style}->{image};
next unless defined $img;
$img =~s/^images\///;
my $img_filename;
for my $path ( qw( ../../freemap/images
../../map-icons/square.small
../../map-icons/square.big
../../map-icons/classic.big
../../map-icons/classic.small
../../map-icons/nick
../../map-icons/classic/other
) ) {
$img_filename = "$path/$img";
if ( -s $img_filename ) {
my $png = $PDF->image_png($img_filename);
$rule->{png}=$png;
#print STDERR "image: $img_filename\n";
last;
}
}
if ( ! $rule->{png} ) {
warn "missing $img\n";
}
#print STDERR "rule: ".Dumper(\$rule);
# print STDERR "condition: ".Dumper(\$rule->{condition});
my $condition = $rule->{condition};
# print STDERR "image: $img_filename\t";
print STDERR " #condition: $condition->{k}=$condition->{v}\t";
printf STDERR "scale: %d-%d",
($rule->{style}->{scale_max}||0),
($rule->{style}->{scale_min}||0);
print STDERR "get_icon() image: $img\n";
}
}
# ------------------------------------------------------------------
sub get_icons($$$){
my $self = shift;
my $rule_line= shift;
my $scale = shift;
return undef if $rule_line =~ m/^[\s\,]*$/;
# return undef if $rule_line eq ",";
my ($dummy1,$dummy2,$attr) = split(",",$rule_line,3);
my %attr;
foreach my $kv ( split(",",$attr)){
my ($k,$v)=split("=",$kv);
$attr{$k}=$v;
}
print STDERR "get_icon($attr)\n";
my $png =undef;
for my $rule ( @{$self->{rule}} ) {
my $img = $rule->{style}->{image};
next unless $img;
my $condition = $rule->{condition};
# print STDERR "condition: $condition->{k}=$condition->{v}\n";
if ( defined ( $attr{scale_max}) &&
$scale > $attr{scale_max}) {
next;
}
if ( defined( $attr{ $condition->{k}}) &&
$attr{ $condition->{k}} eq $condition->{v} ) {
print STDERR "condition: $condition->{k}=$condition->{v}\n";
print STDERR "get_icon() image: $img\t";
$png = $rule->{png};
}
return $png if $png;
}
return undef;
}
1;
=head1 NAME
Geo::OSM::MapFeature
=head1 DESCRIPTION
Load the MapFeatures.xml into memory
=head1 COPYRIGHT
Copyright 2006, Jörg Ostertag
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
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
=head1 AUTHOR
Jörg Ostertag (MapFeatures-for-openstreetmap@ostertag.name)
=head1 SEE ALSO
http://www.openstreetmap.org/
=cut
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