1 |
package Gtk2::CV; |
2 |
|
3 |
use Gtk2; |
4 |
use Glib; |
5 |
|
6 |
use IO::AIO; |
7 |
|
8 |
BEGIN { |
9 |
use XSLoader; |
10 |
|
11 |
$VERSION = '0.5'; |
12 |
|
13 |
XSLoader::load "Gtk2::CV", $VERSION; |
14 |
} |
15 |
|
16 |
my $aio_source; |
17 |
|
18 |
# we use a low priority to give GUI interactions as high a priority |
19 |
# as possible. |
20 |
sub enable_aio { |
21 |
$aio_source ||= |
22 |
add_watch Glib::IO IO::AIO::poll_fileno, |
23 |
in => sub { IO::AIO::poll_cb; 1 }, |
24 |
undef, |
25 |
&Glib::G_PRIORITY_LOW; |
26 |
} |
27 |
|
28 |
sub disable_aio { |
29 |
remove Glib::Source $aio_source if $aio_source; |
30 |
undef $aio_source; |
31 |
} |
32 |
|
33 |
enable_aio; |
34 |
IO::AIO::max_outstanding 128; |
35 |
|
36 |
sub find_rcfile($) { |
37 |
my $path; |
38 |
|
39 |
for (@INC) { |
40 |
$path = "$_/Gtk2/CV/$_[0]"; |
41 |
return $path if -r $path; |
42 |
} |
43 |
|
44 |
die "FATAL: can't find required file $_[0]\n"; |
45 |
} |
46 |
|
47 |
sub require_image($) { |
48 |
new_from_file Gtk2::Gdk::Pixbuf find_rcfile "images/$_[0]"; |
49 |
} |
50 |
|
51 |
sub dealpha_compose($) { |
52 |
return $_[0] unless $_[0]->get_has_alpha; |
53 |
|
54 |
Gtk2::CV::dealpha_expose $_[0]->composite_color_simple ( |
55 |
$_[0]->get_width, $_[0]->get_height, |
56 |
'nearest', 100, 10, 0xa0a0a0ff, 0x606060ff, |
57 |
) |
58 |
} |
59 |
|
60 |
# TODO: make preferences |
61 |
sub dealpha($) { |
62 |
&dealpha_compose |
63 |
} |
64 |
|
65 |
1; |
66 |
|