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GIDEON / Image-DominantColors-0.02 / lib / Image / ColorCollection.pm 

            

              
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package Image::ColorCollection;
use 5.006;
use strict;
use warnings FATAL => 'all';
use Data::Dumper;
use Imager;
use Imager::Fill;
use List::Util qw(sum);
our $VERSION = '0.02';
sub new {
        my $class = shift;
        my $self = {
                centroid => {
                        r => int(rand(255)),
                        g => int(rand(255)),
                        b => int(rand(255)),
                },
                colors => []
        };
        bless $self, $class;
        return $self;
}
#store the centroid here..
#store belongstome
sub getCentroid {
        my $class = shift;
        return $class->{centroid};
}
sub addColor {
        my ($class, $c) = @_;
        push @{$class->{colors}}, $c;
}
sub updateCentroid {
                my ($class, $c) = @_;
                my $shift = 0;
                my @colors = @{$class->{colors}};
                if(scalar(@colors) == 0)
                {
                        return 0;
                }
                my $rAvg = int(sum(map {$_->{r}} @colors)/@colors);
                $shift += $class->{centroid}->{r} - $rAvg;
                 
                my $gAvg = int(sum(map {$_->{g}} @colors)/@colors);
                $shift += $class->{centroid}->{g} - $gAvg;
                         
                my $bAvg = int(sum(map {$_->{b}} @colors)/@colors);
                $shift += $class->{centroid}->{b} - $bAvg;
                 
                $class->{centroid} = {
                                r => int($rAvg),
                                g => int($gAvg),
                                b => int($bAvg),
                };
                return $shift;
}
sub clear {
        my ($class, $c) = @_;
        $class->{colors} = [];
}
1; # End of Image::ColorCollection
__END__
=head1 NAME
Image::ColorCollection - Internal Class to represent centroids.
=head1 VERSION
Version 0.01