icingaweb2/library/Icinga/Chart/Primitive/Line.php

112 lines
3.0 KiB
PHP

<?php
// {{{ICINGA_LICENSE_HEADER}}}
/**
* This file is part of Icinga 2 Web.
*
* Icinga 2 Web - Head for multiple monitoring backends.
* Copyright (C) 2013 Icinga Development Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* @copyright 2013 Icinga Development Team <info@icinga.org>
* @license http://www.gnu.org/licenses/gpl-2.0.txt GPL, version 2
* @author Icinga Development Team <info@icinga.org>
*/
// {{{ICINGA_LICENSE_HEADER}}}
namespace Icinga\Chart\Primitive;
use \DOMElement;
use \Icinga\Chart\Render\RenderContext;
/**
* 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', $x1);
$line->setAttribute('x2', $x2);
$line->setAttribute('y1', $y1);
$line->setAttribute('y2', $y2);
$line->setAttribute('style', $this->getStyle());
$this->applyAttributes($line);
return $line;
}
}