1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
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 }
when (q{/}) { $y = 30; $x = 40 }
}
given ($char) {
when (/[WwMm]/) { $w = 8 }
when (/[BDEFrt ]/) { $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.
|
