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|
#!/usr/bin/env perl;
use strict;
use warnings;
use 5.010;
use utf8;
use GD;
my ($out_file) = @ARGV;
my $font = GD::Image->new('share/font.png');
my $black = $font->colorClosest( 0, 0, 0 );
open( my $out_fh, '>:encoding(UTF-8)', $out_file )
or die("open ${out_file}: $!");
sub write_out {
my ( $off_x, $off_y, $char ) = @_;
my $char_w = 0;
say $out_fh "'${char}' => {";
say $out_fh 'matrix => [';
for my $pos_y ( $off_y .. ( $off_y + 10 ) ) {
print $out_fh '[ ';
for my $pos_x ( $off_x .. ( $off_x + 10 ) ) {
if ( $font->getPixel( $pos_x, $pos_y ) == $black ) {
if ( ( $pos_x - $off_x ) > $char_w ) {
$char_w = $pos_x - $off_x;
}
print $out_fh '1, ';
}
else {
print $out_fh '0, ';
}
}
say $out_fh ' ],';
}
# spacing (one empty column)
$char_w++;
if ( $char eq q{ } ) {
$char_w = 5;
}
say $out_fh '],';
say $out_fh "width => ${char_w},";
say $out_fh '},';
}
sub parse_char_row {
my ( $off_y, @chars ) = @_;
my $off_x = 0;
for my $char (@chars) {
write_out( $off_x, $off_y, $char );
$off_x += 10;
}
return;
}
print $out_fh <<'___CUT___';
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 = {
width => $opt{width} || 140,
height => $opt{height} || 40,
scale => 10,
offset_x => 0,
offset_y => 0,
};
$self->{image} = GD::Image->new($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} = {
___CUT___
parse_char_row( 0, 'A' .. 'Z' );
parse_char_row( 10, 'a' .. 'z' );
parse_char_row( 20, '0' .. '9' );
parse_char_row( 30, q{:}, q{-}, q{.}, q{,}, q{/}, q{ } );
parse_char_row( 40, qw(ä ö ü) );
print $out_fh <<'___CUT___';
};
return bless( $self, $class );
}
sub draw_at {
my ($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)) {
if (not exists $self->{font}->{$char}) {
next;
}
my $w = $self->{font}->{$char}->{width};
for my $y ( 0 .. 10 ) {
for my $x ( 0 .. $w ) {
if ($self->{font}->{$char}->{matrix}->[$y]->[$x]) {
$im->filledEllipse(
($off_x + $x) * $scale, ($off_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;
___CUT___
close($out_fh);
|
