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package App::VRR::Fakedisplay;
use strict;
use warnings;
use 5.010;
use utf8;
use File::ShareDir qw(dist_file);
use GD;
our $VERSION = '0.00';
sub new {
my ( $class, %opt ) = @_;
my $self = {
font_file => dist_file( 'App-VRR-Fakedisplay', 'font.png' ),
width => $opt{width} || 140,
height => $opt{height} || 40,
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} = $self->{image}->colorAllocate(@{$opt{color} // [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{ä}) { $y = 40; $x = 0 }
when (q{ö}) { $y = 40; $x = 10 }
when (q{ü}) { $y = 40; $x = 20 }
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 (/[BDErt ]/) { $w = 5 }
when (/[il1:]/) { $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 $scale = $self->{scale};
my ($off_x, $off_y) = ($offset_x, $self->{offset_y});
if ($off_y >= $self->{height} or $off_x >= $self->{width}) {
return;
}
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) * $scale, ($off_y + $pos_y - $y) * $scale,
$scale, $scale,
$c_fg
);
}
}
}
$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.
|
