diff options
Diffstat (limited to 'lib/App')
-rw-r--r-- | lib/App/VRR/Fakedisplay.pm | 160 |
1 files changed, 160 insertions, 0 deletions
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. |