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author | Chris Buechler <cmb@pfsense.org> | 2011-01-25 05:20:28 -0500 |
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committer | Chris Buechler <cmb@pfsense.org> | 2011-01-25 05:21:06 -0500 |
commit | 7af18d10dc23084ae8390241c2e9951d530248f7 (patch) | |
tree | bba85a3958c7c11a8ce0bc8d6b0addad3a24c2f1 /config/archive/dspam/pear/Image/Graph/Plot/Fit/Line.php | |
parent | dc3d5f22067dd659e4e8bd407e0745f78769fc85 (diff) | |
download | pfsense-packages-7af18d10dc23084ae8390241c2e9951d530248f7.tar.gz pfsense-packages-7af18d10dc23084ae8390241c2e9951d530248f7.tar.bz2 pfsense-packages-7af18d10dc23084ae8390241c2e9951d530248f7.zip |
archive some more dead packages
Diffstat (limited to 'config/archive/dspam/pear/Image/Graph/Plot/Fit/Line.php')
-rw-r--r-- | config/archive/dspam/pear/Image/Graph/Plot/Fit/Line.php | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/config/archive/dspam/pear/Image/Graph/Plot/Fit/Line.php b/config/archive/dspam/pear/Image/Graph/Plot/Fit/Line.php new file mode 100644 index 00000000..07f3b9cc --- /dev/null +++ b/config/archive/dspam/pear/Image/Graph/Plot/Fit/Line.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'; + +/** + * Include file Image/Graph/Tool.php + */ +require_once 'Image/Graph/Tool.php'; + +/** + * Fit the graph (to a line using linear regression). + * + * @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_Fit_Line 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) + { + $y = ($y0 + $y1) / 2; + $dy = abs($y1 - $y0) / 6; + $this->_canvas->addVertex(array('x' => $x0, 'y' => $y + $dy)); + $this->_canvas->addVertex(array('x' => $x1, 'y' => $y - $dy)); + $this->_canvas->polygon(array('connect' => false)); + } + + /** + * Output the plot + * + * @return bool Was the output 'good' (true) or 'bad' (false). + * @access private + */ + function _done() + { + if (Image_Graph_Plot::_done() === false) { + return false; + } + + $this->_canvas->startGroup(get_class($this) . '_' . $this->_title); + $this->_clip(true); + $keys = array_keys($this->_dataset); + foreach ($keys as $key) { + $dataset =& $this->_dataset[$key]; + $dataset->_reset(); + $data = array(); + while ($point = $dataset->_next()) { + $data[] = array( + 'X' => $this->_pointX($point), + 'Y' => $this->_pointY($point) + ); + } + + $regression = Image_Graph_Tool::calculateLinearRegression($data); + $this->_getLineStyle($key); + $this->_canvas->line( + array( + 'x0' => $this->_left, + 'y0' => $this->_left * $regression['slope'] + $regression['intersection'], + 'x1' => $this->_right, + 'y1' => $this->_right * $regression['slope'] + $regression['intersection'] + ) + ); + } + $this->_clip(false); + $this->_canvas->endGroup(); + + return true; + } +} + +?> |