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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/Area.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';
+
+/**
+ * Area Chart plot.
+ *
+ * An area chart plots all data points similar to a {@link
+ * Image_Graph_Plot_Line}, but the area beneath the line is filled and the whole
+ * area 'the-line', 'the right edge', 'the x-axis' and 'the left edge' is
+ * bounded. Smoothed charts are only supported with non-stacked types
+ *
+ * @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_Area 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)
+ {
+ $dx = abs($x1 - $x0) / 3;
+ $dy = abs($y1 - $y0) / 3;
+ $this->_canvas->addVertex(array('x' => $x0, 'y' => $y1));
+ $this->_canvas->addVertex(array('x' => $x0, 'y' => $y0 + $dy));
+ $this->_canvas->addVertex(array('x' => $x0 + $dx, 'y' => $y0));
+ $this->_canvas->addVertex(array('x' => $x0 + 2*$dx, 'y' => $y0 + 2*$dy));
+ $this->_canvas->addVertex(array('x' => $x1, 'y' => $y0 + $dy));
+ $this->_canvas->addVertex(array('x' => $x1, 'y' => $y1));
+ $this->_canvas->polygon(array('connect' => true));
+ }
+
+ /**
+ * Output the plot
+ *
+ * @return bool Was the output 'good' (true) or 'bad' (false).
+ * @access private
+ */
+ function _done()
+ {
+ if (parent::_done() === false) {
+ return false;
+ }
+
+ $this->_canvas->startGroup(get_class($this) . '_' . $this->_title);
+
+ $this->_clip(true);
+
+ $base = array();
+ if ($this->_multiType == 'stacked') {
+ reset($this->_dataset);
+ $key = key($this->_dataset);
+ $dataset =& $this->_dataset[$key];
+
+ $first = $dataset->first();
+ $point = array ('X' => $first['X'], 'Y' => '#min_pos#');
+ $base[] = array();
+ $base[] = $this->_pointY($point);
+ $first = $this->_pointX($point);
+ $base[] = $first;
+
+ $last = $dataset->last();
+ $point = array ('X' => $last['X'], 'Y' => '#min_pos#');
+ $base[] = array();
+ $base[] = $this->_pointY($point);
+ $base[] = $this->_pointX($point);
+
+ $current = array();
+ }
+
+ $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];
+ $dataset->_reset();
+ if ($this->_multiType == 'stacked') {
+ $plotarea = array_reverse($base);
+ $base = array();
+ while ($point = $dataset->_next()) {
+ $x = $point['X'];
+ $p = $point;
+ if (isset($current[$x])) {
+ $p['Y'] += $current[$x];
+ } else {
+ $current[$x] = 0;
+ }
+ $x1 = $this->_pointX($p);
+ $y1 = $this->_pointY($p);
+ $plotarea[] = $x1;
+ $plotarea[] = $y1;
+ $plotarea[] = $point;
+ $base[] = array();
+ $base[] = $y1;
+ $base[] = $x1;
+ $current[$x] += $point['Y'];
+ }
+ } else {
+ $first = true;
+ $plotarea = array();
+ while ($point = $dataset->_next()) {
+ if ($first) {
+ $firstPoint = array ('X' => $point['X'], 'Y' => '#min_pos#');
+ $plotarea[] = $this->_pointX($firstPoint);
+ $plotarea[] = $this->_pointY($firstPoint);
+ $plotarea[] = array();
+ }
+ $plotarea[] = $this->_pointX($point);
+ $plotarea[] = $this->_pointY($point);
+ $plotarea[] = $point;
+ $lastPoint = $point;
+ $first = false;
+ }
+ $endPoint['X'] = $lastPoint['X'];
+ $endPoint['Y'] = '#min_pos#';
+ $plotarea[] = $this->_pointX($endPoint);
+ $plotarea[] = $this->_pointY($endPoint);
+ $plotarea[] = array();
+ }
+
+ reset($plotarea);
+ while (list(, $x) = each($plotarea)) {
+ list(, $y) = each($plotarea);
+ list(, $data) = each($plotarea);
+ $this->_canvas->addVertex(
+ $this->_mergeData(
+ $data,
+ array('x' => $x, 'y' => $y)
+ )
+ );
+ }
+
+ $this->_getFillStyle($key);
+ $this->_getLineStyle($key);
+ $this->_canvas->polygon(array('connect' => true, 'map_vertices' => true));
+ }
+ unset($keys);
+ $this->_drawMarker();
+ $this->_clip(false);
+
+ $this->_canvas->endGroup();
+
+ return true;
+ }
+
+}
+
+?> \ No newline at end of file