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khosb/includes/pear/Image/Graph/Figure/Ellipse.php

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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Image_Graph - PEAR PHP OO Graph Rendering Utility.
*
* PHP versions 4 and 5
*
* LICENSE: This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version. This library 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 Lesser
* General Public License for more details. You should have received a copy of
* the GNU Lesser General Public License along with this library; if not, write
* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* @category Images
* @package Image_Graph
* @subpackage Figure
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version CVS: $Id: Ellipse.php,v 1.9 2005/08/24 20:36:00 nosey Exp $
* @link http://pear.php.net/package/Image_Graph
*/
/**
* Include file Image/Graph/Element.php
*/
require_once 'Image/Graph/Element.php';
/**
* Ellipse to draw on the canvas
*
* @category Images
* @package Image_Graph
* @subpackage Figure
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version Release: @package_version@
* @link http://pear.php.net/package/Image_Graph
*/
class Image_Graph_Figure_Ellipse extends Image_Graph_Element
{
/**
* Ellipse [Constructor]
*
* @param int $x The center pixel of the ellipse on the canvas
* @param int $y The center pixel of the ellipse on the canvas
* @param int $radiusX The width in pixels of the box on the canvas
* @param int $radiusY The height in pixels of the box on the canvas
*/
function Image_Graph_Figure_Ellipse($x, $y, $radiusX, $radiusY)
{
parent::Image_Graph_Element();
$this->_setCoords($x - $radiusX, $y - $radiusY, $x + $radiusX, $y + $radiusY);
}
/**
* Output the ellipse
*
* @return bool Was the output 'good' (true) or 'bad' (false).
* @access private
*/
function _done()
{
if (parent::_done() === false) {
return false;
}
$this->_canvas->startGroup(get_class($this));
$this->_getFillStyle();
$this->_getLineStyle();
$this->_canvas->ellipse(
array(
'x' => ($this->_left + $this->_right) / 2,
'y' => ($this->_top + $this->_bottom) / 2,
'rx' => $this->width(),
'ry' => $this->height()
)
);
$this->_canvas->endGroup();
return true;
}
}
?>