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Diffstat (limited to 'packages/dspam/pear/Image/Graph/Dataset/Sequential.php')
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1 files changed, 114 insertions, 0 deletions
diff --git a/packages/dspam/pear/Image/Graph/Dataset/Sequential.php b/packages/dspam/pear/Image/Graph/Dataset/Sequential.php new file mode 100644 index 00000000..2605c409 --- /dev/null +++ b/packages/dspam/pear/Image/Graph/Dataset/Sequential.php @@ -0,0 +1,114 @@ +<?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 Dataset + * @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/Dataset/Trivial.php + */ +require_once 'Image/Graph/Dataset/Trivial.php'; + +/** + * Sequential data set, simply add points (y) 1 by 1. + * + * This is a single point (1D) dataset, all points are of the type (0, y1), (1, + * y2), (2, y3)... Where the X-value is implicitly incremented. This is useful + * for example for barcharts, where you could fx. use an {@link + * Image_Graph_Dataset_Array} datapreprocessor to make sence of the x-values. + * + * @category Images + * @package Image_Graph + * @subpackage Dataset + * @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_Dataset_Sequential extends Image_Graph_Dataset_Trivial +{ + + /** + * Image_Graph_SequentialDataset [Constructor] + */ + function Image_Graph_Dataset_Sequential($dataArray = false) + { + parent::Image_Graph_Dataset_Trivial(); + if (is_array($dataArray)) { + reset($dataArray); + foreach ($dataArray as $value) { + $this->addPoint($value); + } + } + } + + /** + * Add a point to the dataset + * + * @param int $y The Y value to add, can be omited + * @param var $ID The ID of the point + */ + function addPoint($y, $ID = false) + { + parent::addPoint($this->count(), $y); + } + + /** + * Gets a X point from the dataset + * + * @param var $x The variable to return an X value from, fx in a + * vector function data set + * @return var The X value of the variable + * @access private + */ + function _getPointX($x) + { + return ((int) $x); + } + + /** + * The minimum X value + * @return var The minimum X value + */ + function minimumX() + { + return 0; + } + + /** + * The maximum X value + * @return var The maximum X value + */ + function maximumX() + { + return $this->count(); + } + +} + +?>
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