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<?php
/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
namespace Icinga\Chart\Primitive;
use DOMDocument;
use DOMElement;
use Icinga\Chart\Render\RenderContext;
use Icinga\Chart\Format;
/**
* Drawable for svg circles
*/
class Circle extends Styleable implements Drawable
{
/**
* The circles x position
*
* @var int
*/
private $x;
/**
* The circles y position
*
* @var int
*/
private $y;
/**
* The circles radius
*
* @var int
*/
private $radius;
/**
* Construct the circle
*
* @param int $x The x position of the circle
* @param int $y The y position of the circle
* @param int $radius The radius of the circle
*/
public function __construct($x, $y, $radius)
{
$this->x = $x;
$this->y = $y;
$this->radius = $radius;
}
/**
* Create the SVG representation from this Drawable
*
* @param RenderContext $ctx The context to use for rendering
* @return DOMElement The SVG Element
*/
public function toSvg(RenderContext $ctx)
{
$coords = $ctx->toAbsolute($this->x, $this->y);
$circle = $ctx->getDocument()->createElement('circle');
$circle->setAttribute('cx', Format::formatSVGNumber($coords[0]));
$circle->setAttribute('cy', Format::formatSVGNumber($coords[1]));
$circle->setAttribute('r', $this->radius);
$id = $this->id ?? uniqid('circle-');
$circle->setAttribute('id', $id);
$this->setId($id);
$this->applyAttributes($circle);
$style = new DOMDocument();
$style->loadHTML($this->getStyle());
$circle->appendChild(
$circle->ownerDocument->importNode(
$style->getElementsByTagName('style')->item(0),
true
)
);
return $circle;
}
}
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