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package Chart::Clicker::Decoration::MarkerOverlay;
$Chart::Clicker::Decoration::MarkerOverlay::VERSION = '2.90';
use Moose;
extends 'Chart::Clicker::Decoration';
# ABSTRACT: Component for drawing markers
use Graphics::Primitive::Operation::Stroke;
use Graphics::Primitive::Operation::Fill;
use Graphics::Primitive::Paint::Solid;
override('finalize', sub {
my ($self) = @_;
my $width = $self->width;
my $height = $self->height;
my $clicker = $self->clicker;
foreach my $cname ($clicker->context_names) {
my $ctx = $clicker->get_context($cname);
foreach my $marker (@{ $ctx->markers }) {
my $key = $marker->key;
my $value = $marker->value;
if(not defined($value)) {
my $key2 = $marker->key2;
my $domain = $ctx->domain_axis;
my $x = $domain->mark($self->width, $key);
my $x2;
if($key2) {
$x2 = $domain->mark($self->width, $key2);
$self->move_to($x, 0);
$self->rectangle(($x2 - $x), $height);
my $fillop = Graphics::Primitive::Operation::Fill->new(
paint => Graphics::Primitive::Paint::Solid->new(
color => $marker->inside_color
),
);
$self->do($fillop);
}
$self->move_to($x, 0);
$self->rel_line_to(0, $height);
if($x2) {
$self->move_to($x2, 0);
$self->rel_line_to(0, $height);
}
my $op = Graphics::Primitive::Operation::Stroke->new;
$op->brush($marker->brush);
$op->brush->color($marker->color);
$self->do($op);
} elsif(not defined($key)) {
my $value2 = $marker->value2;
my $range = $ctx->range_axis;
#
my $y = $height - $range->mark($height, $value);
my $y2;
if($value2) {
$y2 = $height - $range->mark($self->height, $value2);
$self->move_to(0, $y);
$self->rectangle($width, ($y2 - $y));
my $fillop = Graphics::Primitive::Operation::Fill->new(
paint => Graphics::Primitive::Paint::Solid->new(
color => $marker->inside_color
),
);
$self->do($fillop);
}
$self->move_to(0, $y);
$self->rel_line_to($width, 0);
if($y2) {
$self->move_to(0, $y2);
$self->rel_line_to($width, 0);
}
my $op = Graphics::Primitive::Operation::Stroke->new;
$op->brush($marker->brush);
$op->brush->color($marker->color);
$self->do($op);
}
}
}
});
__PACKAGE__->meta->make_immutable;
no Moose;
1;
__END__
=pod
=head1 NAME
Chart::Clicker::Decoration::MarkerOverlay - Component for drawing markers
=head1 VERSION
version 2.90
=head1 DESCRIPTION
A Component that handles the rendering of Markers.
=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
|
