| 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 = '1.3'; |
| 10 | |
12 | |
| 11 | sub require_image { |
13 | XSLoader::load "Gtk2::CV", $VERSION; |
|
|
14 | } |
|
|
15 | |
|
|
16 | my $aio_source; |
|
|
17 | |
|
|
18 | IO::AIO::min_parallel 32; |
|
|
19 | IO::AIO::max_poll_time 0.01; |
|
|
20 | |
|
|
21 | # we use a low priority watcher to give GUI interactions as high a priority |
|
|
22 | # as possible. |
|
|
23 | sub enable_aio { |
|
|
24 | $aio_source ||= |
|
|
25 | add_watch Glib::IO IO::AIO::poll_fileno, |
|
|
26 | in => sub { |
|
|
27 | eval { IO::AIO::poll_cb }; |
|
|
28 | warn $@ if $@;#d# |
|
|
29 | 1 |
|
|
30 | }, |
|
|
31 | undef, |
|
|
32 | &Glib::G_PRIORITY_LOW; |
|
|
33 | } |
|
|
34 | |
|
|
35 | sub disable_aio { |
|
|
36 | remove Glib::Source $aio_source if $aio_source; |
|
|
37 | undef $aio_source; |
|
|
38 | } |
|
|
39 | |
|
|
40 | enable_aio; |
|
|
41 | |
|
|
42 | sub find_rcfile($) { |
| 12 | my $path; |
43 | my $path; |
| 13 | |
44 | |
| 14 | for (@INC) { |
45 | for (@INC) { |
| 15 | $path = "$_/Gtk2/CV/images/$_[0]"; |
46 | $path = "$_/Gtk2/CV/$_[0]"; |
| 16 | last if -r $path; |
47 | return $path if -r $path; |
| 17 | } |
48 | } |
| 18 | |
49 | |
| 19 | eval { new_from_file Gtk2::Gdk::Pixbuf $path } |
50 | die "FATAL: can't find required file $_[0]\n"; |
| 20 | or die "can't find image $_[0] in \@INC"; |
51 | } |
|
|
52 | |
|
|
53 | sub require_image($) { |
|
|
54 | new_from_file Gtk2::Gdk::Pixbuf find_rcfile "images/$_[0]"; |
|
|
55 | } |
|
|
56 | |
|
|
57 | sub dealpha_compose($) { |
|
|
58 | return $_[0] unless $_[0]->get_has_alpha; |
|
|
59 | |
|
|
60 | Gtk2::CV::dealpha_expose $_[0]->composite_color_simple ( |
|
|
61 | $_[0]->get_width, $_[0]->get_height, |
|
|
62 | 'nearest', 255, 16, 0xffc0c0c0, 0xff606060, |
|
|
63 | ) |
|
|
64 | } |
|
|
65 | |
|
|
66 | # TODO: make preferences |
|
|
67 | sub dealpha($) { |
|
|
68 | &dealpha_compose |
| 21 | } |
69 | } |
| 22 | |
70 | |
| 23 | 1; |
71 | 1; |
| 24 | |
72 | |
