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authorChris Buechler <cmb@pfsense.org>2011-01-25 05:20:28 -0500
committerChris Buechler <cmb@pfsense.org>2011-01-25 05:21:06 -0500
commit7af18d10dc23084ae8390241c2e9951d530248f7 (patch)
treebba85a3958c7c11a8ce0bc8d6b0addad3a24c2f1 /config/archive/dspam/pear/Image/Graph/Plot/Radar.php
parentdc3d5f22067dd659e4e8bd407e0745f78769fc85 (diff)
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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: $Id$
+ * @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);
+ $this->_clip(true);
+ if (is_a($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->_clip(false);
+ $this->_canvas->endGroup();
+ return parent::_done();
+ }
+
+}
+
+?> \ No newline at end of file