<?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: $Id$ * @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); } } ?>