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package Gtk2::CV; |
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|
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use common::sense; |
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use Gtk2; |
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use Glib; |
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|
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use IO::AIO; |
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|
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BEGIN { |
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use XSLoader; |
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|
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our $VERSION = '2.0'; |
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|
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XSLoader::load "Gtk2::CV", $VERSION; |
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} |
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|
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magic_buffer ""; # preload magic tables |
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|
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our $MPV = $ENV{CV_MPV} || $ENV{CV_MPLAYER} || "mpv"; |
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|
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our $FAST_TMP = -w "/run/shm" ? "/run/shm" |
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: -w "/dev/shm" ? "/dev/shm" |
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: "/tmp"; |
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|
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our $THREAD_MAX = $ENV{NUMBER_OF_PROCESSORS}*1 || 1; |
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if (open my $fh, "<", "/proc/cpuinfo") { |
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local $/; |
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$THREAD_MAX = scalar (() = <$fh> =~ /^processor/mg) || 1 |
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} |
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$THREAD_MAX = $ENV{CV_THREAD_MAX} if $ENV{CV_THREAD_MAX} > 0; |
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set_thread_max $THREAD_MAX; |
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|
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my $aio_source; |
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|
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IO::AIO::min_parallel 32; |
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IO::AIO::max_poll_reqs 2; |
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|
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# we use a low priority watcher to give GUI interactions as high a priority |
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# as possible. |
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sub enable_aio { |
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$aio_source ||= |
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add_watch Glib::IO IO::AIO::poll_fileno, |
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in => sub { |
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IO::AIO::poll_cb; |
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1 |
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}, |
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undef, |
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&Glib::G_PRIORITY_LOW; |
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} |
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|
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sub disable_aio { |
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remove Glib::Source $aio_source if $aio_source; |
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undef $aio_source; |
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} |
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|
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sub flush_aio { |
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enable_aio; |
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IO::AIO::flush; |
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} |
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|
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enable_aio; |
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|
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sub find_rcfile($) { |
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my $path; |
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|
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for (@INC) { |
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$path = "$_/Gtk2/CV/$_[0]"; |
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return $path if -r $path; |
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} |
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|
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die "FATAL: can't find required file $_[0]\n"; |
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} |
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|
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sub require_image($) { |
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new_from_file Gtk2::Gdk::Pixbuf find_rcfile "images/$_[0]"; |
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} |
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|
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sub dealpha_compose($) { |
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return $_[0] unless $_[0]->get_has_alpha; |
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|
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Gtk2::CV::dealpha_expose $_[0]->composite_color_simple ( |
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$_[0]->get_width, $_[0]->get_height, |
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'nearest', 255, 16, 0xffc0c0c0, 0xff606060, |
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) |
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} |
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|
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# TODO: make preferences |
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sub dealpha($) { |
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&dealpha_compose |
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} |
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|
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sub load_jpeg($;$$$) { |
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my ($path, $thumbnail, $iw, $ih) = @_; |
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|
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open my $fh, "<:raw", $path |
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or die "$path: $!\n"; |
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IO::AIO::mmap my $data, -s $fh, IO::AIO::PROT_READ, IO::AIO::MAP_SHARED, $fh |
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or die "$path: $!\n"; |
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decode_jpeg $data, $thumbnail, $iw, $ih |
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} |
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|
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sub load_jxl($;$$$) { |
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my ($path, $thumbnail, $iw, $ih) = @_; |
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|
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open my $fh, "<:raw", $path |
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or die "$path: $!\n"; |
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IO::AIO::mmap my $data, -s $fh, IO::AIO::PROT_READ, IO::AIO::MAP_SHARED, $fh |
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or die "$path: $!\n"; |
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decode_jxl $data, $thumbnail, $iw, $ih |
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} |
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|
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sub load_webp($;$$$) { |
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my ($path, $thumbnail, $iw, $ih) = @_; |
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|
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open my $fh, "<:raw", $path |
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or die "$path: $!\n"; |
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IO::AIO::mmap my $data, -s $fh, IO::AIO::PROT_READ, IO::AIO::MAP_SHARED, $fh |
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or die "$path: $!\n"; |
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decode_webp $data, $thumbnail, $iw, $ih |
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} |
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|
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sub load_avif($;$$$) { |
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my ($path, $thumbnail, $iw, $ih) = @_; |
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|
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open my $fh, "<:raw", $path |
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or die "$path: $!\n"; |
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IO::AIO::mmap my $data, -s $fh, IO::AIO::PROT_READ, IO::AIO::MAP_SHARED, $fh |
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or die "$path: $!\n"; |
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decode_avif $data, $thumbnail, $iw, $ih |
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} |
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|
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1; |
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