| 1 | package Gtk2::CV; |
1 | package Gtk2::CV; |
| 2 | |
2 | |
| 3 | use XSLoader; |
3 | use Gtk2; |
|
|
4 | use Glib; |
| 4 | |
5 | |
| 5 | $VERSION = 0.1; |
6 | use IO::AIO; |
| 6 | |
7 | |
| 7 | XSLoader::load "Gtk2::CV", $VERSION; |
8 | BEGIN { |
|
|
9 | use XSLoader; |
| 8 | |
10 | |
| 9 | use Gtk2; |
11 | $VERSION = '1.0'; |
| 10 | |
12 | |
| 11 | sub require_image { |
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 $aio_source; |
|
|
31 | } |
|
|
32 | |
|
|
33 | enable_aio; |
|
|
34 | IO::AIO::max_outstanding 128; |
|
|
35 | |
|
|
36 | sub find_rcfile($) { |
| 12 | my $path; |
37 | my $path; |
| 13 | |
38 | |
| 14 | for (@INC) { |
39 | for (@INC) { |
| 15 | $path = "$_/Gtk2/CV/images/$_[0]"; |
40 | $path = "$_/Gtk2/CV/$_[0]"; |
| 16 | last if -r $path; |
41 | return $path if -r $path; |
| 17 | } |
42 | } |
| 18 | |
43 | |
| 19 | eval { new_from_file Gtk2::Gdk::Pixbuf $path } |
44 | die "FATAL: can't find required file $_[0]\n"; |
| 20 | or die "can't find image $_[0] in \@INC"; |
45 | } |
|
|
46 | |
|
|
47 | sub require_image($) { |
|
|
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, $_[0]->get_height, |
|
|
56 | 'nearest', 255, 16, 0xffc0c0c0, 0xff606060, |
|
|
57 | ) |
|
|
58 | } |
|
|
59 | |
|
|
60 | # TODO: make preferences |
|
|
61 | sub dealpha($) { |
|
|
62 | &dealpha_compose |
| 21 | } |
63 | } |
| 22 | |
64 | |
| 23 | 1; |
65 | 1; |
| 24 | |
66 | |
