diff options
Diffstat (limited to 'config/archive/dspam/pear/Image/Graph/Plot/Impulse.php')
| -rw-r--r-- | config/archive/dspam/pear/Image/Graph/Plot/Impulse.php | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/config/archive/dspam/pear/Image/Graph/Plot/Impulse.php b/config/archive/dspam/pear/Image/Graph/Plot/Impulse.php new file mode 100644 index 00000000..91372cd1 --- /dev/null +++ b/config/archive/dspam/pear/Image/Graph/Plot/Impulse.php @@ -0,0 +1,204 @@ +<?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; + } + +} + +?>
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