diff options
Diffstat (limited to 'config/dspam/pear/Image/Graph/Plot/Line.php')
| -rw-r--r-- | config/dspam/pear/Image/Graph/Plot/Line.php | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/config/dspam/pear/Image/Graph/Plot/Line.php b/config/dspam/pear/Image/Graph/Plot/Line.php new file mode 100644 index 00000000..009b4e1f --- /dev/null +++ b/config/dspam/pear/Image/Graph/Plot/Line.php @@ -0,0 +1,171 @@ +<?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'; + +/** + * Linechart. + * + * @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_Line extends Image_Graph_Plot +{ + + /** + * Gets the fill style of the element + * + * @return int A GD filestyle representing the fill style + * @see Image_Graph_Fill + * @access private + */ + function _getFillStyle($ID = false) + { + return IMG_COLOR_TRANSPARENT; + } + + /** + * 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; + $dx = abs($x1 - $x0) / 3; + $dy = abs($y1 - $y0) / 5; + $this->_canvas->addVertex(array('x' => $x0, 'y' => $y)); + $this->_canvas->addVertex(array('x' => $x0 + $dx, 'y' => $y - $dy * 2)); + $this->_canvas->addVertex(array('x' => $x1 - $dx, 'y' => $y + $dy)); + $this->_canvas->addVertex(array('x' => $x1, 'y' => $y - $dy)); + $this->_canvas->polygon(array('connect' => false)); + } + + /** + * Output the plot + * + * @return bool Was the output 'good' (true) or 'bad' (false). + * @access private + */ + function _done() + { + if (parent::_done() === false) { + return false; + } + + if (!is_array($this->_dataset)) { + return false; + } + + $this->_canvas->startGroup(get_class($this) . '_' . $this->_title); + $this->_clip(true); + reset($this->_dataset); + + if ($this->_multiType == 'stacked100pct') { + $total = $this->_getTotals(); + } + + $p1 = false; + + $keys = array_keys($this->_dataset); + foreach ($keys as $key) { + $dataset =& $this->_dataset[$key]; + $dataset->_reset(); + $numPoints = 0; + while ($point = $dataset->_next()) { + if (($this->_multiType == 'stacked') || + ($this->_multiType == 'stacked100pct')) + { + $x = $point['X']; + if (!isset($current[$x])) { + $current[$x] = 0; + } + if ($this->_multiType == 'stacked') { + $py = $current[$x] + $point['Y']; + } else { + $py = 100 * ($current[$x] + $point['Y']) / $total['TOTAL_Y'][$x]; + } + $current[$x] += $point['Y']; + $point['Y'] = $py; + } + + if ($point['Y'] === null) { + if ($numPoints > 1) { + $this->_getLineStyle($key); + $this->_canvas->polygon(array('connect' => false, 'map_vertices' => true)); + } + else { + $this->_canvas->reset(); + } + $numPoints = 0; + } else { + $p2['X'] = $this->_pointX($point); + $p2['Y'] = $this->_pointY($point); + + $this->_canvas->addVertex( + $this->_mergeData( + $point, + array('x' => $p2['X'], 'y' => $p2['Y']) + ) + ); + $numPoints++; + } + } + if ($numPoints > 1) { + $this->_getLineStyle($key); + $this->_canvas->polygon(array('connect' => false, 'map_vertices' => true)); + } + else { + $this->_canvas->reset(); + } + } + unset($keys); + $this->_drawMarker(); + $this->_clip(false); + $this->_canvas->endGroup(); + return true; + } + +} + +?>
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