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khosb/includes/pear/Image/Graph/Marker/Bubble.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 Marker
* @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: Bubble.php,v 1.5 2005/02/21 20:49:50 nosey Exp $
* @link http://pear.php.net/package/Image_Graph
*/
/**
* Include file Image/Graph/Marker/Circle.php
*/
require_once 'Image/Graph/Marker/Circle.php';
/**
* Display a circle with y-value percentage as radius (require GD2).
*
* This will display a circle centered on the datapoint with a radius calculated
* as a percentage of the maximum value. I.e. the radius depends on the y-value
* of the datapoint
*
* @category Images
* @package Image_Graph
* @subpackage Marker
* @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_Marker_Bubble extends Image_Graph_Marker_Circle
{
/**
* The radius of the marker when 100%
* @var int
* @access private
*/
var $_size100Pct = 40;
/**
* Sets the maximum radius the marker can occupy
*
* @param int $radius The new Image_Graph_max radius
*/
function setMaxRadius($radius)
{
$this->_size100Pct = $radius;
}
/**
* Draw the marker on the canvas
*
* @param int $x The X (horizontal) position (in pixels) of the marker on
* the canvas
* @param int $y The Y (vertical) position (in pixels) of the marker on the
* canvas
* @param array $values The values representing the data the marker 'points'
* to
* @access private
*/
function _drawMarker($x, $y, $values = false)
{
$this->_size = $this->_size100Pct*$values['PCT_MAX_Y']/100;
parent::_drawMarker($x, $y, $values);
}
}
?>