lib/Frey/Cairo.pm

package Frey::Cairo;
use Moose;

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

use Cairo;

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) = @_;


        unless (Cairo::HAS_FT_FONT && eval 'use Font::FreeType; 1;') {
                die 'need Cairo with FreeType support and Font::FreeType';
        }

        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	package Frey::Cairo;
2	use Moose;
3
4	extends 'Frey';
5	with 'Frey::Web';
6	#with 'Frey::Storage';
7
8	use Cairo;
9
10	has path => (
11	is => 'rw',
12	isa => 'Str',
13	required => 1,
14	default => 'var/cairo/telop.png',
15	);
16
17	has width => (
18	is => 'rw',
19	isa => 'Int',
20	required => 1,
21	default => 200,
22	);
23
24	has height => (
25	is => 'rw',
26	isa => 'Int',
27	required => 1,
28	default => 40,
29	);
30
31	has font_size => (
32	is => 'rw',
33	isa => 'Int',
34	required => 1,
35	default => 23,
36	);
37
38	has x => (
39	is => 'rw',
40	isa => 'Int',
41	required => 1,
42	default => 20,
43	);
44
45	has y => (
46	is => 'rw',
47	isa => 'Int',
48	required => 1,
49	default => 25,
50	);
51
52	has text => (
53	is => 'rw',
54	isa => 'Str',
55	required => 1,
56	default => 'Hello, world!',
57	);
58
59	sub as_markup {
60	my ($self) = @_;
61
62
63	unless (Cairo::HAS_FT_FONT && eval 'use Font::FreeType; 1;') {
64	die 'need Cairo with FreeType support and Font::FreeType';
65	}
66
67	my @fonts = (
68	'/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf',
69	'/usr/share/fonts/truetype/ttf-inconsolata/Inconsolata.otf',
70	'/usr/share/fonts/truetype/ttf-bitstream-vera/Vera.ttf',
71	);
72
73	my $ttf_path;
74	foreach my $font ( @fonts ) {
75	$ttf_path \|\|= $font if -e $font;
76	}
77	die "Can't find font $ttf_path" unless -r $ttf_path;
78
79	my $ft_face = Font::FreeType->new->face($ttf_path);
80	my $cr_face = Cairo::FtFontFace->create($ft_face);
81
82	my $surface = Cairo::ImageSurface->create('argb32', $self->width, $self->height);
83
84	my $cr = Cairo::Context->create($surface);
85	$cr->set_font_face($cr_face);
86	$cr->set_font_size( $self->font_size );
87	$cr->move_to( $self->x, $self->y );
88	$cr->show_text( $self->text );
89	$cr->show_page;
90
91	$self->mkbasepath( $self->path );
92	$surface->write_to_png( $self->path );
93
94	return qq\|<img src="/\| . $self->path . qq\|">\|;
95	}
96
97	1;