diff options
Diffstat (limited to 'config/archive/dspam/pear/Image/Graph/Axis/Category.php')
| -rw-r--r-- | config/archive/dspam/pear/Image/Graph/Axis/Category.php | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/config/archive/dspam/pear/Image/Graph/Axis/Category.php b/config/archive/dspam/pear/Image/Graph/Axis/Category.php deleted file mode 100644 index b6451496..00000000 --- a/config/archive/dspam/pear/Image/Graph/Axis/Category.php +++ /dev/null @@ -1,437 +0,0 @@ -<?php - -/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ - -/** - * Class for axis handling. - * - * 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 Axis - * @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/Axis.php - */ -require_once 'Image/Graph/Axis.php'; - -/** - * A normal axis thats displays labels with a 'interval' of 1. - * This is basically a normal axis where the range is - * the number of labels defined, that is the range is explicitly defined - * when constructing the axis. - * - * @category Images - * @package Image_Graph - * @subpackage Axis - * @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_Axis_Category extends Image_Graph_Axis -{ - - /** - * The labels shown on the axis - * @var array - * @access private - */ - var $_labels = false; - - /** - * Image_Graph_Axis_Category [Constructor]. - * - * @param int $type The type (direction) of the Axis - */ - function Image_Graph_Axis_Category($type = IMAGE_GRAPH_AXIS_X) - { - parent::Image_Graph_Axis($type); - $this->_labels = array(); - $this->setlabelInterval(1); - } - - /** - * Gets the minimum value the axis will show. - * - * This is always 0 - * - * @return double The minumum value - * @access private - */ - function _getMinimum() - { - return 0; - } - - /** - * Gets the maximum value the axis will show. - * - * This is always the number of labels passed to the constructor. - * - * @return double The maximum value - * @access private - */ - function _getMaximum() - { - return count($this->_labels) - 1; - } - - /** - * Sets the minimum value the axis will show. - * - * A minimum cannot be set on a SequentialAxis, it is always 0. - * - * @param double Minimum The minumum value to use on the axis - * @access private - */ - function _setMinimum($minimum) - { - } - - /** - * Sets the maximum value the axis will show - * - * A maximum cannot be set on a SequentialAxis, it is always the number - * of labels passed to the constructor. - * - * @param double Maximum The maximum value to use on the axis - * @access private - */ - function _setMaximum($maximum) - { - } - - /** - * Forces the minimum value of the axis - * - * <b>A minimum cannot be set on this type of axis</b> - * - * To modify the labels which are displayed on the axis, instead use - * setLabelInterval($labels) where $labels is an array containing the - * values/labels the axis should display. <b>Note!</b> Only values in - * this array will then be displayed on the graph! - * - * @param double $minimum A minimum cannot be set on this type of axis - */ - function forceMinimum($minimum, $userEnforce = true) - { - } - - /** - * Forces the maximum value of the axis - * - * <b>A maximum cannot be set on this type of axis</b> - * - * To modify the labels which are displayed on the axis, instead use - * setLabelInterval($labels) where $labels is an array containing the - * values/labels the axis should display. <b>Note!</b> Only values in - * this array will then be displayed on the graph! - * - * @param double $maximum A maximum cannot be set on this type of axis - */ - function forceMaximum($maximum, $userEnforce = true) - { - } - - /** - * Sets an interval for where labels are shown on the axis. - * - * The label interval is rounded to nearest integer value. - * - * @param double $labelInterval The interval with which labels are shown - */ - function setLabelInterval($labelInterval = 'auto', $level = 1) - { - if (is_array($labelInterval)) { - parent::setLabelInterval($labelInterval); - } elseif ($labelInterval == 'auto') { - parent::setLabelInterval(1); - } else { - parent::setLabelInterval(round($labelInterval)); - } - } - - /** - * Preprocessor for values, ie for using logarithmic axis - * - * @param double $value The value to preprocess - * @return double The preprocessed value - * @access private - */ - function _value($value) - { -// $the_value = array_search($value, $this->_labels); - if (isset($this->_labels[$value])) { - $the_value = $this->_labels[$value]; - if ($the_value !== false) { - return $the_value + ($this->_pushValues ? 0.5 : 0); - } else { - return 0; - } - } - } - - - /** - * Get the minor label interval with which axis label ticks are drawn. - * - * For a sequential axis this is always disabled (i.e false) - * - * @return double The minor label interval, always false - * @access private - */ - function _minorLabelInterval() - { - return false; - } - - /** - * Get the size in pixels of the axis. - * - * For an x-axis this is the width of the axis including labels, and for an - * y-axis it is the corrresponding height - * - * @return int The size of the axis - * @access private - */ - function _size() - { - if (!$this->_visible) { - return 0; - } - - $this->_canvas->setFont($this->_getFont()); - - $maxSize = 0; - foreach($this->_labels as $label => $id) { - $labelPosition = $this->_point($label); - - if (is_object($this->_dataPreProcessor)) { - $labelText = $this->_dataPreProcessor->_process($label); - } else { - $labelText = $label; - } - - if ((($this->_type == IMAGE_GRAPH_AXIS_X) && (!$this->_transpose)) || - (($this->_type != IMAGE_GRAPH_AXIS_X) && ($this->_transpose))) - { - $maxSize = max($maxSize, $this->_canvas->textHeight($labelText)); - } else { - $maxSize = max($maxSize, $this->_canvas->textWidth($labelText)); - } - } - - if ($this->_title) { - $this->_canvas->setFont($this->_getTitleFont()); - - if ((($this->_type == IMAGE_GRAPH_AXIS_X) && (!$this->_transpose)) || - (($this->_type != IMAGE_GRAPH_AXIS_X) && ($this->_transpose))) - { - $maxSize += $this->_canvas->textHeight($this->_title); - } else { - $maxSize += $this->_canvas->textWidth($this->_title); - } - $maxSize += 10; - } - return $maxSize +3; - } - - /** - * Apply the dataset to the axis. - * - * This calculates the order of the categories, which is very important - * for fx. line plots, so that the line does not "go backwards", consider - * these X-sets:<p> - * 1: (1, 2, 3, 4, 5, 6)<br> - * 2: (0, 1, 2, 3, 4, 5, 6, 7)<p> - * If they are not ordered, but simply appended, the categories on the axis - * would be:<p> - * X: (1, 2, 3, 4, 5, 6, 0, 7)<p> - * Which would render the a line for the second plot to show incorrectly. - * Instead this algorithm, uses and 'value- is- before' method to see that - * the 0 is before a 1 in the second set, and that it should also be before - * a 1 in the X set. Hence:<p> - * X: (0, 1, 2, 3, 4, 5, 6, 7) - * - * @param Image_Graph_Dataset $dataset The dataset - * @access private - */ - function _applyDataset(&$dataset) - { - $newLabels = array(); - $allLabels = array(); - - $dataset->_reset(); - $count = 0; - $count_new = 0; - while ($point = $dataset->_next()) { - if ($this->_type == IMAGE_GRAPH_AXIS_X) { - $data = $point['X']; - } else { - $data = $point['Y']; - } - if (!isset($this->_labels[$data])) { - $newLabels[$data] = $count_new++; - //$this->_labels[] = $data; - } - $allLabels[$data] = $count++; - } - - if (count($this->_labels) == 0) { - $this->_labels = $newLabels; - } elseif ((is_array($newLabels)) && (count($newLabels) > 0)) { - // get all intersecting labels - $intersect = array_intersect(array_keys($allLabels), array_keys($this->_labels)); - // traverse all new and find their relative position withing the - // intersec, fx value X0 is before X1 in the intersection, which - // means that X0 should be placed before X1 in the label array - foreach($newLabels as $newLabel => $id) { - $key = $allLabels[$newLabel]; - reset($intersect); - $this_value = false; - // intersect indexes are the same as in allLabels! - $first = true; - while ((list($id, $value) = each($intersect)) && - ($this_value === false)) - { - if (($first) && ($id > $key)) { - $this_value = $value; - } elseif ($id >= $key) { - $this_value = $value; - } - $first = false; - } - - if ($this_value === false) { - // the new label was not found before anything in the - // intersection -> append it - $this->_labels[$newLabel] = count($this->_labels); - } else { - // the new label was found before $this_value in the - // intersection, insert the label before this position in - // the label array -// $key = $this->_labels[$this_value]; - $keys = array_keys($this->_labels); - $key = array_search($this_value, $keys); - $pre = array_slice($keys, 0, $key); - $pre[] = $newLabel; - $post = array_slice($keys, $key); - $this->_labels = array_flip(array_merge($pre, $post)); - } - } - unset($keys); - } - - $labels = array_keys($this->_labels); - $i = 0; - foreach ($labels as $label) { - $this->_labels[$label] = $i++; - } - -// $this->_labels = array_values(array_unique($this->_labels)); - $this->_calcLabelInterval(); - } - - /** - * Return the label distance. - * - * @return int The distance between 2 adjacent labels - * @access private - */ - function _labelDistance($level = 1) - { - reset($this->_labels); - list($l1) = each($this->_labels); - list($l2) = each($this->_labels); - return abs($this->_point($l2) - $this->_point($l1)); - } - - /** - * Get next label point - * - * @param doubt $point The current point, if omitted or false, the first is - * returned - * @return double The next label point - * @access private - */ - function _getNextLabel($currentLabel = false, $level = 1) - { - if ($currentLabel === false) { - reset($this->_labels); - } - $result = false; - $count = ($currentLabel === false ? $this->_labelInterval() - 1 : 0); - while ($count < $this->_labelInterval()) { - $result = (list($label) = each($this->_labels)); - $count++; - } - if ($result) { - return $label; - } else { - return false; - } - } - - /** - * Is the axis numeric or not? - * - * @return bool True if numeric, false if not - * @access private - */ - function _isNumeric() - { - return false; - } - - /** - * Output the axis - * - * @return bool Was the output 'good' (true) or 'bad' (false). - * @access private - */ - function _done() - { - $result = true; - if (Image_Graph_Element::_done() === false) { - $result = false; - } - - $this->_canvas->startGroup(get_class($this)); - - $this->_drawAxisLines(); - - $this->_canvas->startGroup(get_class($this) . '_ticks'); - $label = false; - while (($label = $this->_getNextLabel($label)) !== false) { - $this->_drawTick($label); - } - $this->_canvas->endGroup(); - - $this->_canvas->endGroup(); - - return $result; - } - -} - -?>
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