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-rwxr-xr-xBuild.PL23
-rw-r--r--cgi/index.pl156
-rw-r--r--lib/App/VRR/Fakedisplay.pm160
-rw-r--r--share/font.pngbin0 -> 627 bytes
4 files changed, 339 insertions, 0 deletions
diff --git a/Build.PL b/Build.PL
new file mode 100755
index 0000000..a1d6833
--- /dev/null
+++ b/Build.PL
@@ -0,0 +1,23 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use Module::Build;
+
+Module::Build->new(
+
+ build_requires => {
+ 'Module::Build' => '0.36',
+ 'Test::More' => 0,
+ 'Test::Compile' => 0,
+ 'Test::Pod' => 0,
+ },
+ module_name => 'App::VRR::Fakedisplay',
+ license => 'perl',
+ requires => {
+ 'perl' => '5.10.0',
+ },
+ share_dir => 'share',
+ sign => 1,
+
+)->create_build_script();
diff --git a/cgi/index.pl b/cgi/index.pl
new file mode 100644
index 0000000..90ef4db
--- /dev/null
+++ b/cgi/index.pl
@@ -0,0 +1,156 @@
+#!/usr/bin/env perl
+use Mojolicious::Lite;
+use Cache::File;
+
+use App::VRR::Fakedisplay;
+use Travel::Status::DE::VRR;
+
+our $VERSION = '0.00';
+
+sub get_results_for {
+ my ($city, $stop) = @_;
+
+ my $cache = Cache::File->new(
+ cache_root => '/tmp/vrr-fake',
+ default_expires => '900 sec',
+ );
+
+ my $results = $cache->thaw("${city} _ ${stop}");
+
+ if ( not $results ) {
+ my $status
+ = Travel::Status::DE::VRR->new(place => $city, name => $stop);
+ $results = [ [$status->results], $status->errstr ];
+ $cache->freeze( "${city} _ ${stop}", $results );
+ }
+
+ return @{$results};
+}
+
+sub handle_request {
+ my $self = shift;
+ my $city = $self->stash('city');
+ my $stop = $self->stash('stop');
+
+ $self->stash( title => 'vrr-fakedisplay' );
+ $self->stash( version => $VERSION );
+
+ $self->render(
+ 'main',
+ city => $city,
+ stop => $stop,
+ version => $VERSION,
+ title => "departures for ${city} ${stop}",
+ );
+}
+
+sub render_image {
+ my $self = shift;
+ my $city = $self->stash('city');
+ my $stop = $self->stash('stop');
+
+ $self->res->headers->content_type('image/png');
+
+ my ($results, $errstr) = get_results_for($city, $stop);
+
+ my $png = App::VRR::Fakedisplay->new();
+ for my $d (@{$results}[0 .. 5]) {
+ $png->draw_at(0, $d->line);
+ $png->draw_at(30, $d->destination);
+ $png->draw_at(180, $d->time);
+ $png->new_line();
+ }
+
+ $self->render(data => $png->png);
+}
+
+get '/_redirect' => sub {
+ my $self = shift;
+ my $city = $self->param('city');
+ my $stop = $self->param('stop');
+
+ $self->redirect_to("/${city}/${stop}");
+};
+
+get '/' => \&handle_request;
+get '/:city/:stop.png' => \&render_image;
+get '/:city/:stop' => \&handle_request;
+
+app->start();
+
+__DATA__
+
+@@ main.html.ep
+<!DOCTYPE html>
+<html>
+<head>
+ <title><%= $title %></title>
+ <meta charset="utf-8">
+ <style type="text/css">
+
+ div.about {
+ font-family: Sans-Serif;
+ color: #666666;
+ }
+
+ div.about a {
+ color: #000066;
+ }
+
+ </style>
+</head>
+<body>
+
+% if ($city and $stop) {
+<img src="../../<%= $city %>/<%= $stop %>.png" alt=""/>
+% }
+% else {
+
+<p>
+DB-Fakedisplay displays the next departures at a DB station, just like the big
+LC display in the station itself.
+</p>
+
+% }
+
+<div class="input-field">
+
+<% if (my $error = stash 'error') { %>
+<p>
+ Error: <%= $error %><br/>
+</p>
+<% } %>
+
+<%= form_for _redirect => begin %>
+<p>
+ Station name:
+ <%= text_field 'city' %>
+ <%= text_field 'stop' %>
+ <%= submit_button 'Display' %>
+</p>
+<% end %>
+
+</div>
+
+<div class="about">
+<a href="http://finalrewind.org/projects/db-fakedisplay/">db-fakedisplay</a>
+v<%= $version %>
+</div>
+
+</body>
+</html>
+
+@@ not_found.html.ep
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
+ "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
+<head>
+ <title>page not found</title>
+ <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
+</head>
+<body>
+<div>
+page not found
+</div>
+</body>
+</html>
diff --git a/lib/App/VRR/Fakedisplay.pm b/lib/App/VRR/Fakedisplay.pm
new file mode 100644
index 0000000..3912560
--- /dev/null
+++ b/lib/App/VRR/Fakedisplay.pm
@@ -0,0 +1,160 @@
+package App::VRR::Fakedisplay;
+
+use strict;
+use warnings;
+use 5.010;
+
+use File::ShareDir qw(dist_file);
+use GD;
+
+our $VERSION = '0.00';
+
+sub new {
+ my ( $class, %opts ) = @_;
+
+ my $self = {
+ font_file => dist_file( 'App-VRR-Fakedisplay', 'font.png' ),
+ width => 300,
+ height => 50,
+ scale => 10,
+ offset_x => 0,
+ offset_y => 0,
+ };
+
+ $self->{font} = GD::Image->new($self->{font_file});
+ $self->{image} = GD::Image->new($self->{width} * $self->{scale}, $self->{height} * $self->{scale});
+
+ $self->{color}->{bg} = $self->{image}->colorAllocate(0, 0, 0);
+ $self->{color}->{fg} = $self->{image}->colorAllocate(255, 0, 0);
+
+ $self->{image}->filledRectangle(0, 0, ($self->{width} * $self->{scale}) -1,
+ ($self->{height} * $self->{scale}) - 1, $self->{color}->{bg});
+
+ $self->{font_idx} = $self->{font}->colorClosest(0, 0, 0);
+
+ return bless( $self, $class );
+}
+
+sub locate_char {
+ my ($self, $char) = @_;
+ my ($x, $y, $w, $h) = (0, 30, 6, 10);
+
+ given ($char) {
+ when (/[a-z]/) { $y = 10; $x = (ord($char) - 97) * 10 }
+ when (/[A-Z]/) { $y = 0; $x = (ord($char) - 65) * 10 }
+ when (/[0-9]/) { $y = 20; $x = (ord($char) - 48) * 10 }
+
+ when (q{ }) { $y = 90; $x = 0 }
+ when (q{:}) { $y = 30; $x = 0 }
+ when (q{-}) { $y = 30; $x = 10 }
+ when (q{.}) { $y = 30; $x = 20 }
+ when (q{,}) { $y = 30, $x = 30 }
+ }
+
+ given ($char) {
+ when (/[WwMm]/) { $w = 8 }
+ when (/[BDEt]/) { $w = 5 }
+ when (/[il]/) { $w = 4 }
+ when (/[:.,]/) { $w = 3 }
+ }
+
+ return ($x, $y, $w, $h);
+}
+
+sub draw_at {
+ my ($self, $offset_x, $text) = @_;
+
+ my $im = $self->{image};
+ my $font = $self->{font};
+
+ my $c_bg = $self->{color}{bg};
+ my $c_fg = $self->{color}{fg};
+
+ my $font_idx = $self->{font_idx};
+
+ my ($off_x, $off_y) = ($offset_x, $self->{offset_y});
+
+ for my $char (split(qr{}, $text)) {
+ my ($x, $y, $w, $h) = $self->locate_char($char);
+ for my $pos_x ( $x .. ($x + $w) ) {
+ for my $pos_y ( $y .. ($y + $h)) {
+ if ($font->getPixel($pos_x, $pos_y) == $font_idx) {
+ $im->filledEllipse(
+ ($off_x + $pos_x - $x) * 10, ($off_y + $pos_y - $y) * 10,
+ 10, 10,
+ $c_fg
+ );
+ }
+ say "";
+ }
+ }
+ $off_x += $w;
+ }
+
+ return;
+}
+
+sub new_line {
+ my ($self) = @_;
+ $self->{offset_y} += 10;
+
+ return;
+}
+
+sub png {
+ my ($self) = @_;
+
+ return $self->{image}->png;
+}
+
+sub write_image_to {
+ my ($self, $filename) = @_;
+
+ open(my $out_fh, '>', $filename) or die("Cannot open ${filename}: ${!}\n");
+ binmode $out_fh;
+ print $out_fh $self->{image}->png;
+ close($out_fh);
+
+ return;
+}
+
+
+1;
+
+__END__
+
+=head1 NAME
+
+=head1 SYNOPSIS
+
+=head1 VERSION
+
+version
+
+=head1 DESCRIPTION
+
+=head1 METHODS
+
+=over
+
+=back
+
+=head1 DIAGNOSTICS
+
+=head1 DEPENDENCIES
+
+=over
+
+=back
+
+=head1 BUGS AND LIMITATIONS
+
+=head1 SEE ALSO
+
+=head1 AUTHOR
+
+Copyright (C) 2011 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
+
+=head1 LICENSE
+
+ 0. You just DO WHAT THE FUCK YOU WANT TO.
diff --git a/share/font.png b/share/font.png
new file mode 100644
index 0000000..fee6637
--- /dev/null
+++ b/share/font.png
Binary files differ
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-02 00:31:53 +0000