diff options
Diffstat (limited to 'config/dspam/pear/Image/Graph/Plot/Radar.php')
| -rw-r--r-- | config/dspam/pear/Image/Graph/Plot/Radar.php | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/config/dspam/pear/Image/Graph/Plot/Radar.php b/config/dspam/pear/Image/Graph/Plot/Radar.php new file mode 100644 index 00000000..1bfd9da7 --- /dev/null +++ b/config/dspam/pear/Image/Graph/Plot/Radar.php @@ -0,0 +1,118 @@ +<?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(); + } + +} + +?>
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