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package Imager::File::PNG;
use strict;
use Imager;
use vars qw($VERSION @ISA);
BEGIN {
$VERSION = "0.92";
require XSLoader;
XSLoader::load('Imager::File::PNG', $VERSION);
}
Imager->register_reader
(
type=>'png',
single =>
sub {
my ($im, $io, %hsh) = @_;
my $flags = 0;
$hsh{png_ignore_benign_errors}
and $flags |= IMPNG_READ_IGNORE_BENIGN_ERRORS;
$im->{IMG} = i_readpng_wiol($io, $flags);
unless ($im->{IMG}) {
$im->_set_error(Imager->_error_as_msg);
return;
}
return $im;
},
);
Imager->register_writer
(
type=>'png',
single =>
sub {
my ($im, $io, %hsh) = @_;
$im->_set_opts(\%hsh, "i_", $im);
$im->_set_opts(\%hsh, "png_", $im);
unless (i_writepng_wiol($im->{IMG}, $io)) {
$im->_set_error(Imager->_error_as_msg);
return;
}
return $im;
},
);
__END__
=head1 NAME
Imager::File::PNG - read and write PNG files
=head1 SYNOPSIS
use Imager;
my $img = Imager->new;
$img->read(file=>"foo.png")
or die $img->errstr;
$img->write(file => "foo.png")
or die $img->errstr;
=head1 DESCRIPTION
Imager's PNG support is documented in L<Imager::Files>.
=head1 AUTHOR
Tony Cook <tonyc@cpan.org>
=head1 SEE ALSO
Imager, Imager::Files.
=cut