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TONYC / Imager-File-GIF-1.001 / GIF.pm 

            

              
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package Imager::File::GIF;
use 5.006;
use strict;
use Imager;
BEGIN {
  our $VERSION = "1.001";
  require XSLoader;
  XSLoader::load('Imager::File::GIF', $VERSION);
}
Imager->register_reader
  (
   type=>'gif',
   single => 
   sub { 
     my ($im, $io, %hsh) = @_;
     if ($hsh{gif_consolidate}) {
       if ($hsh{colors}) {
         my $colors;
         ($im->{IMG}, $colors) =i_readgif_wiol( $io );
         if ($colors) {
           ${ $hsh{colors} } = [ map { NC(@$_) } @$colors ];
         }
       }
       else {
         $im->{IMG} =i_readgif_wiol( $io );
       }
     }
     else {
       my $page = $hsh{page};
       defined $page or $page = 0;
       $im->{IMG} = i_readgif_single_wiol($io, $page);
       unless ($im->{IMG}) {
         $im->_set_error(Imager->_error_as_msg);
         return;
       }
       if ($hsh{colors}) {
         ${ $hsh{colors} } = [ $im->getcolors ];
       }
       return $im;
     }
   },
   multiple =>
   sub {
     my ($io, %hsh) = @_;
     my @imgs = i_readgif_multi_wiol($io);
     unless (@imgs) {
       Imager->_set_error(Imager->_error_as_msg);
       return;
     }
     return map bless({ IMG => $_, ERRSTR => undef }, "Imager"), @imgs;
   },
  );
Imager->register_writer
  (
   type=>'gif',
   single => 
   sub { 
     my ($im, $io, %hsh) = @_;
     $im->_set_opts(\%hsh, "i_", $im);
     $im->_set_opts(\%hsh, "gif_", $im);
     unless (i_writegif_wiol($io, \%hsh, $im->{IMG})) {
       $im->_set_error(Imager->_error_as_msg);
       return;
     }
     return $im;
   },
   multiple =>
   sub {
     my ($class, $io, $opts, @ims) = @_;
     Imager->_set_opts($opts, "gif_", @ims);
     my @work = map $_->{IMG}, @ims;
     unless (i_writegif_wiol($io, $opts, @work)) {
       Imager->_set_error(Imager->_error_as_msg);
       return;
     }
     return 1;
   },
  );
__END__
=head1 NAME
Imager::File::GIF - read and write GIF files
=head1 SYNOPSIS
  use Imager;
  my $img = Imager->new;
  $img->read(file=>"foo.gif")
    or die $img->errstr;
  $img->write(file => "foo.gif")
    or die $img->errstr;
=head1 DESCRIPTION
Imager's GIF support is documented in L<Imager::Files>.
=head1 AUTHOR
Tony Cook <tonyc@cpan.org>
=head1 SEE ALSO
Imager, Imager::Files.
=cut