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khosb/includes/pear/Image/Graph/Marker/Icon.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: Icon.php,v 1.8 2005/08/24 20:35:53 nosey Exp $
* @link http://pear.php.net/package/Image_Graph
*/
/**
* Include file Image/Graph/Marker.php
*/
require_once 'Image/Graph/Marker.php';
/**
* Data marker using an image as icon.
*
* @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_Icon extends Image_Graph_Marker
{
/**
* Filename of the image icon
* @var string
* @access private
*/
var $_filename;
/**
* X Point of the icon to use as data 'center'
* @var int
* @access private
*/
var $_pointX = 0;
/**
* Y Point of the icon to use as data 'center'
* @var int
* @access private
*/
var $_pointY = 0;
/**
* Create an icon marker
*
* @param string $filename The filename of the icon
* @param int $width The 'new' width of the icon if it is to be resized
* @param int $height The 'new' height of the icon if it is to be resized
*/
function Image_Graph_Marker_Icon($filename, $width = 0, $height = 0)
{
parent::Image_Graph_Marker();
$this->_filename = $filename;
}
/**
* Set the X 'center' point of the marker
*
* @param int $x The X 'center' point of the marker
*/
function setPointX($x)
{
$this->_pointX = $x;
}
/**
* Set the Y 'center' point of the marker
*
* @param int $y The Y 'center' point of the marker
*/
function setPointY($y)
{
$this->_pointY = $y;
}
/**
* 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, $values = false)
{
parent::_drawMarker($x, $y, $values);
if ($this->_filename) {
$this->_canvas->image(
array(
'x' => $x,
'y' => $y,
'filename' => $this->_filename,
'alignment' => array('horizontal' => 'center', 'vertical' => 'center')
)
);
}
}
}
?>