lib/Frey/Cairo.pm

package Frey::Cairo;
use Moose;

extends 'Frey';
with 'Frey::Web';
#with 'Frey::Storage';

use Cairo;
use Font::FreeType;

has path => (
        is => 'rw',
        isa => 'Str',
        required => 1,
        default => 'var/cairo/telop.png',
);

has width => (
        is => 'rw',
        isa => 'Int',
        required => 1,
        default => 200,
);

has height => (
        is => 'rw',
        isa => 'Int',
        required => 1,
        default => 40,
);

has font_size => (
        is => 'rw',
        isa => 'Int',
        required => 1,
        default => 23,
);

has x => (
        is => 'rw',
        isa => 'Int',
        required => 1,
        default => 20,
);

has y => (
        is => 'rw',
        isa => 'Int',
        required => 1,
        default => 25,
);

has text => (
        is => 'rw',
        isa => 'Str',
        required => 1,
        default => 'Hello, world!',
);

sub as_markup {
        my ($self) = @_;

        my @fonts = (
                '/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf',
                '/usr/share/fonts/truetype/ttf-inconsolata/Inconsolata.otf',
                '/usr/share/fonts/truetype/ttf-bitstream-vera/Vera.ttf',
        );

        my $ttf_path;
        foreach my $font ( @fonts ) {
                $ttf_path ||= $font if -e $font;
        }
        die "Can't find font $ttf_path" unless -r $ttf_path;

        my $ft_face = Font::FreeType->new->face($ttf_path);
        my $cr_face = Cairo::FtFontFace->create($ft_face);

        my $surface = Cairo::ImageSurface->create('argb32', $self->width, $self->height);

        my $cr = Cairo::Context->create($surface);
        $cr->set_font_face($cr_face);
        $cr->set_font_size( $self->font_size );
        $cr->move_to( $self->x, $self->y );
        $cr->show_text( $self->text );
        $cr->show_page;

        $self->mkbasepath( $self->path );
        $surface->write_to_png( $self->path );

        return qq|<img src="/| . $self->path . qq|">|;
}

1;
1	dpavlin	829	package Frey::Cairo;
2			use Moose;
3
4			extends 'Frey';
5			with 'Frey::Web';
6			#with 'Frey::Storage';
7
8			use Cairo;
9	dpavlin	1114	use Font::FreeType;
10	dpavlin	829
11			has path => (
12			is => 'rw',
13			isa => 'Str',
14			required => 1,
15			default => 'var/cairo/telop.png',
16			);
17
18			has width => (
19			is => 'rw',
20			isa => 'Int',
21			required => 1,
22			default => 200,
23			);
24
25			has height => (
26			is => 'rw',
27			isa => 'Int',
28			required => 1,
29			default => 40,
30			);
31
32			has font_size => (
33			is => 'rw',
34			isa => 'Int',
35			required => 1,
36			default => 23,
37			);
38
39			has x => (
40			is => 'rw',
41			isa => 'Int',
42			required => 1,
43			default => 20,
44			);
45
46			has y => (
47			is => 'rw',
48			isa => 'Int',
49			required => 1,
50			default => 25,
51			);
52
53			has text => (
54			is => 'rw',
55			isa => 'Str',
56			required => 1,
57			default => 'Hello, world!',
58			);
59
60			sub as_markup {
61			my ($self) = @_;
62
63	dpavlin	833	my @fonts = (
64			'/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf',
65			'/usr/share/fonts/truetype/ttf-inconsolata/Inconsolata.otf',
66			'/usr/share/fonts/truetype/ttf-bitstream-vera/Vera.ttf',
67			);
68
69			my $ttf_path;
70			foreach my $font ( @fonts ) {
71			$ttf_path \|\|= $font if -e $font;
72	dpavlin	829	}
73	dpavlin	833	die "Can't find font $ttf_path" unless -r $ttf_path;
74	dpavlin	829
75			my $ft_face = Font::FreeType->new->face($ttf_path);
76			my $cr_face = Cairo::FtFontFace->create($ft_face);
77
78			my $surface = Cairo::ImageSurface->create('argb32', $self->width, $self->height);
79
80			my $cr = Cairo::Context->create($surface);
81			$cr->set_font_face($cr_face);
82			$cr->set_font_size( $self->font_size );
83			$cr->move_to( $self->x, $self->y );
84			$cr->show_text( $self->text );
85			$cr->show_page;
86
87			$self->mkbasepath( $self->path );
88			$surface->write_to_png( $self->path );
89
90			return qq\|<img src="/\| . $self->path . qq\|">\|;
91			}
92
93			1;