140 lines
4.9 KiB
PHP
140 lines
4.9 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 Plot
|
|
* @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: Radar.php,v 1.9 2005/08/03 21:21:52 nosey Exp $
|
|
* @link http://pear.php.net/package/Image_Graph
|
|
* @since File available since Release 0.3.0dev2
|
|
*/
|
|
|
|
/**
|
|
* Include file Image/Graph/Plot/Smoothed/Bezier.php
|
|
*/
|
|
require_once 'Image/Graph/Plot/Smoothed/Bezier.php';
|
|
|
|
/**
|
|
* Smoothed radar chart.
|
|
*
|
|
* @category Images
|
|
* @package Image_Graph
|
|
* @subpackage Plot
|
|
* @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
|
|
* @since Class available since Release 0.3.0dev2
|
|
*/
|
|
class Image_Graph_Plot_Smoothed_Radar extends Image_Graph_Plot_Smoothed_Bezier
|
|
{
|
|
|
|
/**
|
|
* Output the plot
|
|
*
|
|
* @return bool Was the output 'good' (true) or 'bad' (false).
|
|
* @access private
|
|
*/
|
|
function _done()
|
|
{
|
|
$this->_canvas->startGroup(get_class($this) . '_' . $this->_title);
|
|
if (is_a($this->_parent, 'Image_Graph_Plotarea_Radar')) {
|
|
$keys = array_keys($this->_dataset);
|
|
foreach ($keys as $key) {
|
|
$dataset =& $this->_dataset[$key];
|
|
if ($dataset->count() >= 3) {
|
|
$dataset->_reset();
|
|
$p1_ = $dataset->_next();
|
|
$p2_ = $dataset->_next();
|
|
$p3_ = $dataset->_next();
|
|
$plast_ = false;
|
|
if ($p3_) {
|
|
while ($p = $dataset->_next()) {
|
|
$plast_ = $p;
|
|
}
|
|
}
|
|
|
|
if ($plast_ === false) {
|
|
$plast_ = $p3_;
|
|
}
|
|
$dataset->_reset();
|
|
while ($p1 = $dataset->_next()) {
|
|
$p0 = $dataset->_nearby(-2);
|
|
$p2 = $dataset->_nearby(0);
|
|
$p3 = $dataset->_nearby(1);
|
|
|
|
if ($p0 === false) {
|
|
$p0 = $plast_;
|
|
}
|
|
|
|
if ($p2 === false) {
|
|
$p2 = $p1_;
|
|
$p3 = $p2_;
|
|
} elseif ($p3 === false) {
|
|
$p3 = $p1_;
|
|
}
|
|
|
|
|
|
$cp = $this->_getControlPoints($p1, $p0, $p2, $p3);
|
|
$this->_canvas->addSpline(
|
|
array(
|
|
'x' => $cp['X'],
|
|
'y' => $cp['Y'],
|
|
'p1x' => $cp['P1X'],
|
|
'p1y' => $cp['P1Y'],
|
|
'p2x' => $cp['P2X'],
|
|
'p2y' => $cp['P2Y']
|
|
)
|
|
);
|
|
|
|
$next2last = $p0;
|
|
$last = $p1;
|
|
}
|
|
|
|
$cp = $this->_getControlPoints($p1_, $plast_, $p2_, $p3_);
|
|
$this->_canvas->addSpline(
|
|
array(
|
|
'x' => $cp['X'],
|
|
'y' => $cp['Y'],
|
|
'p1x' => $cp['P1X'],
|
|
'p1y' => $cp['P1Y'],
|
|
'p2x' => $cp['P2X'],
|
|
'p2y' => $cp['P2Y']
|
|
)
|
|
);
|
|
$this->_getFillStyle($key);
|
|
$this->_getLineStyle($key);
|
|
$this->_canvas->polygon(array('connect' => true));
|
|
}
|
|
}
|
|
unset($keys);
|
|
}
|
|
$this->_drawMarker();
|
|
$this->_canvas->endGroup($this->_title);
|
|
return parent::_done();
|
|
}
|
|
|
|
}
|
|
|
|
?>
|