lib/Gtk2/CV.pm

package Gtk2::CV;

use Gtk2;
use Glib;

use IO::AIO;

BEGIN {
   use XSLoader;

   $VERSION = '1.3';

   XSLoader::load "Gtk2::CV", $VERSION;
}

my $aio_source;

# we use a low priority to give GUI interactions as high a priority
# as possible.
sub enable_aio {
   $aio_source ||=
      add_watch Glib::IO IO::AIO::poll_fileno,
                         in => sub { IO::AIO::poll_cb; 1 },
                         undef,
                         &Glib::G_PRIORITY_LOW;
}

sub disable_aio {
   remove Glib::Source $aio_source if $aio_source;
   undef $aio_source;
}

enable_aio;

sub find_rcfile($) {
   my $path;

   for (@INC) {
      $path = "$_/Gtk2/CV/$_[0]";
      return $path if -r $path;
   }

   die "FATAL: can't find required file $_[0]\n";
}

sub require_image($) {
   new_from_file Gtk2::Gdk::Pixbuf find_rcfile "images/$_[0]";
}

sub dealpha_compose($) {
   return $_[0] unless $_[0]->get_has_alpha;

   Gtk2::CV::dealpha_expose $_[0]->composite_color_simple (
      $_[0]->get_width, $_[0]->get_height,
      'nearest', 255, 16, 0xffc0c0c0, 0xff606060,
   )
}

# TODO: make preferences
sub dealpha($) {
   &dealpha_compose
}

1;

Revision:	1.27
Committed:	Sun Oct 22 21:51:13 2006 UTC (17 years, 9 months ago) by root
Branch:	MAIN
Changes since 1.26:	+0 -1 lines
Log Message:	use io::aio 2.0
#	User	Rev	Content
1	root	1.1	package Gtk2::CV;
2
3	root	1.20	use Gtk2;
4			use Glib;
5	root	1.1
6	root	1.20	use IO::AIO;
7	root	1.3
8	root	1.20	BEGIN {
9			use XSLoader;
10	root	1.1
11	root	1.26	$VERSION = '1.3';
12	root	1.13
13	root	1.20	XSLoader::load "Gtk2::CV", $VERSION;
14			}
15	root	1.14
16	root	1.17	my $aio_source;
17
18	root	1.19	# we use a low priority to give GUI interactions as high a priority
19			# as possible.
20	root	1.17	sub enable_aio {
21			$aio_source \|\|=
22			add_watch Glib::IO IO::AIO::poll_fileno,
23	root	1.19	in => sub { IO::AIO::poll_cb; 1 },
24			undef,
25			&Glib::G_PRIORITY_LOW;
26	root	1.17	}
27
28			sub disable_aio {
29	root	1.18	remove Glib::Source $aio_source if $aio_source;
30	root	1.17	undef $aio_source;
31			}
32
33			enable_aio;
34	root	1.2
35	root	1.9	sub find_rcfile($) {
36	root	1.2	my $path;
37
38			for (@INC) {
39	root	1.4	$path = "$_/Gtk2/CV/$_[0]";
40			return $path if -r $path;
41	root	1.2	}
42
43	root	1.4	die "FATAL: can't find required file $_[0]\n";
44			}
45
46	root	1.9	sub require_image($) {
47	root	1.4	new_from_file Gtk2::Gdk::Pixbuf find_rcfile "images/$_[0]";
48	root	1.2	}
49
50	root	1.20	sub dealpha_compose($) {
51			return $_[0] unless $_[0]->get_has_alpha;
52
53			Gtk2::CV::dealpha_expose $_[0]->composite_color_simple (
54			$_[0]->get_width, $_[0]->get_height,
55	root	1.22	'nearest', 255, 16, 0xffc0c0c0, 0xff606060,
56	root	1.20	)
57			}
58
59			# TODO: make preferences
60			sub dealpha($) {
61			&dealpha_compose
62			}
63
64	root	1.1	1;
65