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package Chart::Clicker::Renderer::Bubble;
$Chart::Clicker::Renderer::Bubble::VERSION = '2.90';
use Moose;
# ABSTRACT: Bubble render
extends 'Chart::Clicker::Renderer::Point';
override('draw_point', sub {
my ($self, $x, $y, $series, $count) = @_;
my $shape = $self->shape->scale($series->get_size($count));
$shape->origin(Geometry::Primitive::Point->new(x => $x, y => $y));
$self->path->add_primitive($shape);
});
__PACKAGE__->meta->make_immutable;
no Moose;
1;
__END__
=pod
=head1 NAME
Chart::Clicker::Renderer::Bubble - Bubble render
=head1 VERSION
version 2.90
=head1 SYNOPSIS
my $pr = Chart::Clicker::Renderer::Bubble->new({
shape => Geometry::Primitive::Circle->new({
radius => 3
})
});
=head1 DESCRIPTION
Chart::Clicker::Renderer::Bubble is a subclass of the Point renderer where
the points' radiuses are determined by the size value of a Series::Size.
Note: B<This renderer requires you to use a
Chart::Clicker::Data::Series::Size>.
=for HTML <p><img src="http://gphat.github.com/chart-clicker/static/images/examples/bubble.png" width="500" height="250" alt="Bubble Chart" /></p>
=head1 METHODS
=head2 draw_point
Called for each point. Implemented as a separate method so that subclasses
such as Bubble may override the drawing.
=head1 AUTHOR
Cory G Watson <gphat@cpan.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2016 by Cory G Watson.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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