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130 lines
3.7 KiB
PHP
130 lines
3.7 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Image_Graph - PEAR PHP OO Graph Rendering Utility.
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*
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* PHP version 5
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*
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* LICENSE: This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version. This library is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
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* General Public License for more details. You should have received a copy of
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* the GNU Lesser General Public License along with this library; if not, write
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* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Marker
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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* @author Stefan Neufeind <pear.neufeind@speedpartner.de>
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* @copyright 2003-2009 The PHP Group
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version SVN: $Id: Marker.php 291170 2009-11-23 03:50:22Z neufeind $
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* @link http://pear.php.net/package/Image_Graph
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*/
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/**
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* Include file Image/Graph/Plotarea/Element.php
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*/
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require_once 'Image/Graph/Plotarea/Element.php';
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/**
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* Data point marker.
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*
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* The data point marker is used for marking the datapoints on a graph with some
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* visual label, fx. a cross, a text box with the value or an icon.
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Marker
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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* @author Stefan Neufeind <pear.neufeind@speedpartner.de>
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* @copyright 2003-2009 The PHP Group
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version Release: 0.8.0
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* @link http://pear.php.net/package/Image_Graph
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* @abstract
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*/
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class Image_Graph_Marker extends Image_Graph_Plotarea_Element
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{
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/**
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* Secondary marker
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* @var Marker
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* @access private
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*/
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var $_secondaryMarker = false;
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/**
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* The 'size' of the marker, the meaning depends on the specific Marker
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* implementation
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* @var int
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* @access private
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*/
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var $_size = 6;
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/**
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* Set the 'size' of the marker
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*
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* @param int $size The 'size' of the marker, the meaning depends on the
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* specific Marker implementation
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*
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* @return void
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*/
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function setSize($size)
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{
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$this->_size = $size;
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}
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/**
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* Set the secondary marker
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*
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* @param Marker &$secondaryMarker The secondary marker
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*
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* @return void
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*/
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function setSecondaryMarker(& $secondaryMarker)
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{
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$this->_secondaryMarker =& $secondaryMarker;
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$this->_secondaryMarker->_setParent($this);
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}
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/**
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* Draw the marker on the canvas
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*
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* @param int $x The X (horizontal) position (in pixels) of the marker on
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* the canvas
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* @param int $y The Y (vertical) position (in pixels) of the marker on the
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* canvas
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* @param array $values The values representing the data the marker 'points' to
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*
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* @return void
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* @access private
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*/
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function _drawMarker($x, $y, $values = false)
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{
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if (is_a($this->_secondaryMarker, 'Image_Graph_Marker')) {
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$this->_secondaryMarker->_drawMarker($x, $y, $values);
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}
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}
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/**
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* Output to the canvas
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*
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* @return bool Was the output 'good' (true) or 'bad' (false).
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* @access private
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*/
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function _done()
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{
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return true;
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}
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}
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?>
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