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-rw-r--r--packages/dspam/pear/Image/Graph/Axis/Logarithmic.php152
1 files changed, 0 insertions, 152 deletions
diff --git a/packages/dspam/pear/Image/Graph/Axis/Logarithmic.php b/packages/dspam/pear/Image/Graph/Axis/Logarithmic.php
deleted file mode 100644
index 2675ee4c..00000000
--- a/packages/dspam/pear/Image/Graph/Axis/Logarithmic.php
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@@ -1,152 +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';
-
-/**
- * Diplays a logarithmic axis (either X- or Y-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_Logarithmic extends Image_Graph_Axis
-{
-
- /**
- * Image_Graph_AxisLogarithmic [Constructor].
- *
- * Normally a manual creation should not be necessary, axis are
- * created automatically by the {@link Image_Graph_Plotarea} constructor
- * unless explicitly defined otherwise
- *
- * @param int $type The type (direction) of the Axis, use IMAGE_GRAPH_AXIS_X
- * for an X-axis (default, may be omitted) and IMAGE_GRAPH_AXIS_Y for Y-
- * axis)
- */
- function Image_Graph_Axis_Logarithmic($type = IMAGE_GRAPH_AXIS_X)
- {
- parent::Image_Graph_Axis($type);
- $this->showLabel(IMAGE_GRAPH_LABEL_MINIMUM + IMAGE_GRAPH_LABEL_MAXIMUM);
- $this->_minimum = 1;
- $this->_minimumSet = true;
- }
-
- /**
- * Calculate the label interval
- *
- * If explicitly defined this will be calucated to an approximate best.
- *
- * @return double The label interval
- * @access private
- */
- function _calcLabelInterval()
- {
- $result = parent::_calcLabelInterval();
- $this->_axisValueSpan = $this->_value($this->_axisSpan);
- return $result;
- }
-
- /**
- * 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)
- {
- return log10($value) - log10($this->_minimum);
- }
-
- /**
- * 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, $level = 1)
- {
- if (is_array($this->_labelOptions[$level]['interval'])) {
- return parent::_getNextLabel($currentLabel, $level);
- }
-
- if ($currentLabel !== false) {
- $value = log10($currentLabel);
- $base = floor($value);
- $frac = $value - $base;
- for ($i = 2; $i < 10; $i++) {
- if ($frac <= (log10($i)-0.01)) {
- $label = pow(10, $base)*$i;
- if ($label > $this->_getMaximum()) {
- return false;
- } else {
- return $label;
- }
- }
- }
- return pow(10, $base+1);
- }
-
- return max(1, $this->_minimum);
- }
-
- /**
- * Get the axis intersection pixel position
- *
- * This is only to be called prior to output! I.e. between the user
- * invokation of Image_Graph::done() and any actual output is performed.
- * This is because it can change the axis range.
- *
- * @param double $value the intersection value to get the pixel-point for
- * @return double The pixel position along the axis
- * @access private
- */
- function _intersectPoint($value)
- {
- if (($value <= 0) && ($value !== 'max') && ($value !== 'min')) {
- $value = 1;
- }
- return parent::_intersectPoint($value);
- }
-
-}
-
-?> \ No newline at end of file