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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 the svg line element
*/
class Line extends Styleable implements Drawable
{
/**
* The default stroke width
*
* @var int
*/
public $strokeWidth = 1;
/**
* The line's start x coordinate
*
* @var int
*/
private $xStart = 0;
/**
* The line's end x coordinate
*
* @var int
*/
private $xEnd = 0;
/**
* The line's start y coordinate
*
* @var int
*/
private $yStart = 0;
/**
* The line's end y coordinate
*
* @var int
*/
private $yEnd = 0;
/**
* Create a line object starting at the first coordinate and ending at the second one
*
* @param int $x1 The line's start x coordinate
* @param int $y1 The line's start y coordinate
* @param int $x2 The line's end x coordinate
* @param int $y2 The line's end y coordinate
*/
public function __construct($x1, $y1, $x2, $y2)
{
$this->xStart = $x1;
$this->xEnd = $x2;
$this->yStart = $y1;
$this->yEnd = $y2;
}
/**
* 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)
{
$doc = $ctx->getDocument();
list($x1, $y1) = $ctx->toAbsolute($this->xStart, $this->yStart);
list($x2, $y2) = $ctx->toAbsolute($this->xEnd, $this->yEnd);
$line = $doc->createElement('line');
$line->setAttribute('x1', Format::formatSVGNumber($x1));
$line->setAttribute('x2', Format::formatSVGNumber($x2));
$line->setAttribute('y1', Format::formatSVGNumber($y1));
$line->setAttribute('y2', Format::formatSVGNumber($y2));
$id = $this->id ?? uniqid('line-');
$line->setAttribute('id', $id);
$this->setId($id);
$this->applyAttributes($line);
$style = new DOMDocument();
$style->loadHTML($this->getStyle());
$line->appendChild(
$line->ownerDocument->importNode(
$style->getElementsByTagName('style')->item(0),
true
)
);
return $line;
}
}
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