91 lines
3.0 KiB
PHP
91 lines
3.0 KiB
PHP
<?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: Radial.php,v 1.5 2005/08/24 20:36:03 nosey Exp $
|
|
* @link http://pear.php.net/package/Image_Graph
|
|
*/
|
|
|
|
/**
|
|
* Include file Image/Graph/Marker/Pointing.php
|
|
*/
|
|
require_once 'Image/Graph/Marker/Pointing.php';
|
|
|
|
/**
|
|
* A pointing marker in a random angle from the data
|
|
*
|
|
* @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_Pointing_Radial extends Image_Graph_Marker_Pointing
|
|
{
|
|
|
|
/**
|
|
* The radius of the radial marker
|
|
* @var int
|
|
* @access private
|
|
*/
|
|
var $_radius;
|
|
|
|
/**
|
|
* Create an radial pointing marker, ie a marker on a defined distance from
|
|
* the data
|
|
* @param int $radius The 'length' of the pointer
|
|
* @param Marker $markerEnd The ending marker that represents 'the head of
|
|
* the pin'
|
|
*/
|
|
function Image_Graph_Marker_Pointing_Radial($radius, & $markerEnd)
|
|
{
|
|
parent::Image_Graph_Marker_Pointing(0, 0, $markerEnd);
|
|
$this->_radius = $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)
|
|
{
|
|
$angle = pi() * rand(0, 360) / 180;
|
|
$this->_deltaX = $this->_radius * cos($angle);
|
|
$this->_deltaY = $this->_radius * sin($angle);
|
|
parent::_drawMarker($x, $y, $values);
|
|
}
|
|
|
|
}
|
|
|
|
?>
|