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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/Impulse.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';
+
+/**
+ * Impulse 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_Impulse 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)
+ {
+ $x = ($x0 + $x1) / 2;
+ $this->_canvas->line(array('x0' => $x, 'y0' => $y0, 'x1' => $x, 'y1' => $y1));
+ }
+
+ /**
+ * Output the plot
+ *
+ * @return bool Was the output 'good' (true) or 'bad' (false).
+ * @access private
+ */
+ function _done()
+ {
+ if (parent::_done() === false) {
+ return false;
+ }
+
+ if (!is_array($this->_dataset)) {
+ return false;
+ }
+
+ $this->_canvas->startGroup(get_class($this) . '_' . $this->_title);
+ $this->_clip(true);
+
+ if ($this->_multiType == 'stacked100pct') {
+ $total = $this->_getTotals();
+ }
+ $current = array();
+ $number = 0;
+
+ $minYaxis = $this->_parent->_getMinimum($this->_axisY);
+ $maxYaxis = $this->_parent->_getMaximum($this->_axisY);
+
+ $keys = array_keys($this->_dataset);
+ foreach ($keys as $key) {
+ $dataset =& $this->_dataset[$key];
+ $dataset->_reset();
+ while ($point = $dataset->_next()) {
+ $x0 = $this->_pointX($point);
+ if (($this->_multiType == 'stacked') ||
+ ($this->_multiType == 'stacked100pct'))
+ {
+ $x = $point['X'];
+
+ if ($point['Y'] >= 0) {
+ if (!isset($current[$x])) {
+ $current[$x] = 0;
+ }
+
+ if ($this->_multiType == 'stacked') {
+ $p0 = array(
+ 'X' => $point['X'],
+ 'Y' => $current[$x]
+ );
+ $p1 = array(
+ 'X' => $point['X'],
+ 'Y' => $current[$x] + $point['Y']
+ );
+ } else {
+ $p0 = array(
+ 'X' => $point['X'],
+ 'Y' => 100 * $current[$x] / $total['TOTAL_Y'][$x]
+ );
+ $p1 = array(
+ 'X' => $point['X'],
+ 'Y' => 100 * ($current[$x] + $point['Y']) / $total['TOTAL_Y'][$x]
+ );
+ }
+ $current[$x] += $point['Y'];
+ } else {
+ if (!isset($currentNegative[$x])) {
+ $currentNegative[$x] = 0;
+ }
+
+ $p0 = array(
+ 'X' => $point['X'],
+ 'Y' => $currentNegative[$x]
+ );
+ $p1 = array(
+ 'X' => $point['X'],
+ 'Y' => $currentNegative[$x] + $point['Y']
+ );
+ $currentNegative[$x] += $point['Y'];
+ }
+ } else {
+ $p0 = array('X' => $point['X'], 'Y' => 0);
+ $p1 = $point;
+ }
+
+ if ((($minY = min($p0['Y'], $p1['Y'])) < $maxYaxis) &&
+ (($maxY = max($p0['Y'], $p1['Y'])) > $minYaxis)
+ ) {
+ $p0['Y'] = $minY;
+ $p1['Y'] = $maxY;
+
+ if ($p0['Y'] < $minYaxis) {
+ $p0['Y'] = '#min_pos#';
+ }
+ if ($p1['Y'] > $maxYaxis) {
+ $p1['Y'] = '#max_neg#';
+ }
+
+ $x1 = $this->_pointX($p0);
+ $y1 = $this->_pointY($p0);
+
+ $x2 = $this->_pointX($p1);
+ $y2 = $this->_pointY($p1);
+
+ if ($this->_multiType == 'normal') {
+ $offset = 5*$number;
+ $x1 += $offset;
+ $x2 += $offset;
+ }
+
+ $ID = $point['ID'];
+ if (($ID === false) && (count($this->_dataset) > 1)) {
+ $ID = $key;
+ }
+ $this->_getLineStyle($key);
+ $this->_canvas->line(
+ $this->_mergeData(
+ $point,
+ array(
+ 'x0' => $x1,
+ 'y0' => $y1,
+ 'x1' => $x2,
+ 'y1' => $y2
+ )
+ )
+ );
+ }
+ }
+ $number++;
+ }
+ unset($keys);
+ $this->_drawMarker();
+ $this->_clip(false);
+ $this->_canvas->endGroup();
+ return true;
+ }
+
+}
+
+?> \ No newline at end of file