/usr/lib/perl5/SDLx/Surface/TiedMatrixRow.pm is in libsdl-perl 2.540-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | package SDLx::Surface::TiedMatrixRow;
use strict;
use warnings;
use base 'Tie::Array';
sub new {
my $class = shift;
my $matrix = shift;
my $y = shift;
my $self = {
matrix => $matrix,
y => $y,
};
return bless $self, $class;
}
sub TIEARRAY {
return SDLx::Surface::TiedMatrixRow->new( $_[1], $_[2] );
}
sub FETCH {
my ( $self, $x ) = @_;
$self->{matrix}->get_pixel( $x, $self->{y} );
}
sub FETCHSIZE {
my ( $self, $x ) = @_;
return $self->{matrix}->surface->w;
}
sub STORE {
my ( $self, $x, $new_value ) = @_;
$self->{matrix}->set_pixel( $x, $self->{y}, $new_value );
}
1;
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