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Initial Commit of AgileBill Open Source

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2008-11-26 14:50:40 -08:00
parent ae5a0fc25e
commit 02306ccc47
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includes/pear/Image/Graph/Plot/Radar.php Normal file
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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 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 1.10 2005/08/03 21:21:55 nosey Exp $
* @link http://pear.php.net/package/Image_Graph
*/
/**
* Include file Image/Graph/Plot.php
*/
require_once 'Image/Graph/Plot.php';
/**
* 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
*/
class Image_Graph_Plot_Radar extends Image_Graph_Plot
{
/**
* Perform the actual drawing on the legend.
*
* @param int $x0 The top-left x-coordinate
* @param int $y0 The top-left y-coordinate
* @param int $x1 The bottom-right x-coordinate
* @param int $y1 The bottom-right y-coordinate
* @access private
*/
function _drawLegendSample($x0, $y0, $x1, $y1)
{
$p = 10;
$rx = abs($x1 - $x0) / 2;
$ry = abs($x1 - $x0) / 2;
$r = min($rx, $ry);
$cx = ($x0 + $x1) / 2;
$cy = ($y0 + $y1) / 2;
$max = 5;
for ($i = 0; $i < $p; $i++) {
$v = 2 * pi() * $i / $p;
$t = $r * rand(3, $max) / $max;
$x = $cx + $t * cos($v);
$y = $cy + $t * sin($v);
$this->_canvas->addVertex(array('x' => $x, 'y' => $y));
}
$this->_canvas->polygon(array('connect' => true));
}
/**
* 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];
$maxY = $dataset->maximumY();
$count = $dataset->count();
$dataset->_reset();
while ($point = $dataset->_next()) {
$this->_canvas->addVertex(array('x' =>
$this->_pointX($point), 'y' =>
$this->_pointY($point)
));
}
$this->_getFillStyle($key);
$this->_getLineStyle($key);
$this->_canvas->polygon(array('connect' => true));
}
unset($keys);
}
$this->_drawMarker();
$this->_canvas->endGroup();
return parent::_done();
}
}
?>