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<?php
declare(strict_types = 1);
namespace BaconQrCode\Renderer\Eye;
use BaconQrCode\Renderer\Path\Path;
/**
* Renders the inner eye as a circle.
*/
final class SimpleCircleEye implements EyeInterface
{
/**
* @var self|null
*/
private static $instance;
private function __construct()
{
}
public static function instance() : self
{
return self::$instance ?: self::$instance = new self();
}
public function getExternalPath() : Path
{
return (new Path())
->move(-3.5, -3.5)
->line(3.5, -3.5)
->line(3.5, 3.5)
->line(-3.5, 3.5)
->close()
->move(-2.5, -2.5)
->line(-2.5, 2.5)
->line(2.5, 2.5)
->line(2.5, -2.5)
->close()
;
}
public function getInternalPath() : Path
{
return (new Path())
->move(1.5, 0)
->ellipticArc(1.5, 1.5, 0., false, true, 0., 1.5)
->ellipticArc(1.5, 1.5, 0., false, true, -1.5, 0.)
->ellipticArc(1.5, 1.5, 0., false, true, 0., -1.5)
->ellipticArc(1.5, 1.5, 0., false, true, 1.5, 0.)
->close()
;
}
}