archive some more dead packages

1 files changed, 1690 insertions, 0 deletions

diff --git a/config/archive/dspam/pear/Image/Graph/Axis.php b/config/archive/dspam/pear/Image/Graph/Axis.php
new file mode 100644
index 00000000..99da305f
--- /dev/null
+++ b/config/archive/dspam/pear/Image/Graph/Axis.php
@@ -0,0 +1,1690 @@
+<?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/Plotarea/Element.php
+ */
+require_once 'Image/Graph/Plotarea/Element.php';
+
+/**
+ * Diplays a normal linear 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 extends Image_Graph_Plotarea_Element
+{
+    
+    /**
+     * The type of the axis, possible values are:
+     * <ul>
+     * <li>IMAGE_GRAPH_AXIS_X / IMAGE_GRAPH_AXIS_HORIZONTAL
+     * <li>IMAGE_GRAPH_AXIS_Y / IMAGE_GRAPH_AXIS_VERTICAL /
+     * IMAGE_GRAPH_AXIS_Y_SECONDARY
+     * </ul>
+     * @var int
+     * @access private
+     */
+    var $_type;
+
+    /**
+     * The minimum value the axis displays
+     * @var int
+     * @access private
+     */
+    var $_minimum = false;
+
+    /**
+     * The minimum value the axis has been explicitly set by the user
+     * @var bool
+     * @access private
+     */
+    var $_minimumSet = false;
+
+    /**
+     * The maximum value the axis displays
+     * @var int
+     * @access private
+     */
+    var $_maximum = false;
+
+    /**
+     * The maximum value the axis has been explicitly set by the user
+     * @var bool
+     * @access private
+     */
+    var $_maximumSet = false;
+
+    /**
+     * The value span of the axis.
+     * This is primarily included for performance reasons
+     * @var double
+     * @access private
+     */
+    var $_axisSpan = false;
+
+    /**
+     * The value span of the axis.
+     * This is primarily included for performance reasons
+     * @var double
+     * @access private
+     */
+    var $_axisValueSpan = false;
+    
+    /**
+     * The axis padding.
+     * The index 'low' specifies the padding for the low axis values (when not
+     * inverted), i.e. to the left on an x-axis and on the bottom of an y-axis,
+     * vice versa for 'high'.
+     * 
+     * Axis padding does not make sense on a normal linear y-axis with a 'y-min'
+     * of 0 since this corresponds to displaying a small part of the y-axis
+     * below 0!
+     * 
+     * @var array
+     * @access private
+     */
+    var $_axisPadding = array('low' => 0, 'high' => 0);
+
+    /**
+     * The number of "pixels" representing 1 unit on the axis
+     *
+     * This is primarily included for performance reasons
+     * @var double
+     * @access private
+     */
+    var $_delta = false;
+    
+    /**
+     * Specify if the axis should label the minimum value
+     * @var bool
+     * @access private
+     */
+    var $_showLabelMinimum = true;
+
+    /**
+     * Specify if the axis should label 0 (zero)
+     * @var bool
+     * @access private
+     */
+    var $_showLabelZero = false;
+
+    /**
+     * Specify if the axis should label the maximum value
+     * @var bool
+     * @access private
+     */
+    var $_showLabelMaximum = true;
+
+    /**
+     * Show arrow heads at the 'end' of the axis, default: false
+     * @var bool
+     * @access private
+     */
+    var $_showArrow = false;
+
+    /**
+     * Intersection data of axis
+     * @var array
+     * @access private
+     */
+    var $_intersect = array('value' => 'default', 'axis' => 'default');
+
+    /**
+     * The fixed size of the axis (i.e. width for y-axis, height for x-axis)
+     * @var mixed
+     * @access private
+     */
+    var $_fixedSize = false;
+
+    /**
+     * The label options
+     *
+     * Should text be shows, preferences for ticks. The indexes start at level
+     * 1, which is chosen for readability
+     * @var array
+     * @access private
+     */
+    var $_labelOptions = array(
+        1 => array(
+            'interval' => 1,
+            'type' => 'auto',
+            'tick' => array(
+                'start' => -2, 
+                'end' => 2, 
+                'color' => false // default color
+            ),
+            'showtext' => true,
+            'showoffset' => false,
+            'font' => array(),
+            'offset' => 0,
+            'position' => 'outside',            
+        )
+    );
+
+    /**
+     * The labels that are shown.
+     *
+     * This is used to make values show only once...
+     * @access private
+     */
+    var $_labelText = array();
+
+    /**
+     * A data preprocessor for formatting labels, fx showing dates as a standard
+     * date instead of Unix time stamp
+     * @var Image_Graph_DatePreProcessor
+     * @access private
+     * @see Image_Graph_DataPreProcessor
+     */
+    var $_dataPreProcessor = null;
+
+    /**
+     * Point marked in the axis
+     * @var array
+     * @access private
+     */
+    var $_marks = array();
+
+    /**
+     * Specifies whether the values should be 'pushed' by 0.5
+     * @var bool
+     * @access private
+     */
+    var $_pushValues = false;
+
+    /**
+     * The title of this axis
+     * @var string
+     * @access private
+     */
+    var $_title = '';
+
+    /**
+     * The font used for the title of this axis
+     * @var Image_Graph_Font
+     * @access private
+     */
+    var $_titleFont = false;
+    
+    /**
+     * Invert the axis (i.e. if an y-axis normally displays minimum values at
+     * the bottom, they are not displayed at the top
+     * @var bool
+     * @access private
+     * @since 0.3.0dev3
+     */
+    var $_invert = false;
+    
+    /**
+     * Transpose the axis (i.e. is a normal y-axis transposed, so thats it's not show
+     * vertically as normally expected, but instead horizontally)
+     * @var bool
+     * @access private
+     */
+    var $_transpose = false;
+
+    /**
+     * Image_Graph_Axis [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 $type The type (direction) of the Axis, use IMAGE_GRAPH_AXIS_X
+     * for an X-axis (default, may be omitted) and IMAGE_GRAPH_AXIS_Y for Y-
+     * axis)
+     */
+    function Image_Graph_Axis($type = IMAGE_GRAPH_AXIS_X)
+    {
+        parent::Image_Graph_Element();
+        $this->_type = $type;
+        $this->_fillStyle = 'black';
+    }
+
+    /**
+     * Push the values by 0.5 (for bar and step chart)
+     *
+     * @access private
+     */
+    function _pushValues()
+    {
+        $this->_pushValues = true;
+    }
+    
+    /**
+     * Sets the axis padding for a given position ('low' or 'high')
+     * @param string $where The position
+     * @param int $value The number of pixels to "pad"
+     * @access private
+     */
+    function _setAxisPadding($where, $value)
+    {
+        $this->_axisPadding[$where] = $value;
+    }     
+
+    /**
+     * Gets the font of the title.
+     *
+     * If not font has been set, the parent font is propagated through it's
+     * children.
+     *
+     * @return array An associated array used for canvas
+     * @access private
+     */
+    function _getTitleFont()
+    {
+        if ($this->_titleFont === false) {
+            if ($this->_defaultFontOptions !== false) {
+                return $this->_defaultFontOptions;
+            } else {
+                return $this->_getFont();
+            }
+        } else {
+            if (is_object($this->_titleFont)) {
+                return $this->_titleFont->_getFont();
+            } elseif (is_array($this->_titleFont)) {
+                return $this->_getFont($this->_titleFont);
+            } elseif (is_int($this->_titleFont)) {
+                return $this->_getFont(array('size' => $this->_titleFont));
+            }
+        }
+        return array();
+    }
+
+    /**
+     * Shows a label for the the specified values.
+     *
+     * Allowed values are  combinations of:
+     * <ul>
+     * <li>IMAGE_GRAPH_LABEL_MINIMUM
+     * <li>IMAGE_GRAPH_LABEL_ZERO
+     * <li>IMAGE_GRAPH_LABEL_MAXIMUM
+     * </ul>
+     * By default none of these are shows on the axis
+     *
+     * @param int $value The values to show labels for
+     */
+    function showLabel($value)
+    {
+        $this->_showLabelMinimum = ($value & IMAGE_GRAPH_LABEL_MINIMUM);
+        $this->_showLabelZero = ($value & IMAGE_GRAPH_LABEL_ZERO);
+        $this->_showLabelMaximum = ($value & IMAGE_GRAPH_LABEL_MAXIMUM);
+    }
+
+    /**
+     * Sets a data preprocessor for formatting the axis labels
+     *
+     * @param Image_Graph_DataPreprocessor $dataPreProcessor The data preprocessor
+     * @see Image_Graph_DataPreprocessor
+     */
+    function setDataPreProcessor(& $dataPreProcessor)
+    {
+        $this->_dataPreProcessor =& $dataPreProcessor;
+    }
+
+    /**
+     * Gets the minimum value the axis will show
+     *
+     * @return double The minumum value
+     * @access private
+     */
+    function _getMinimum()
+    {
+        return $this->_minimum;
+    }
+
+    /**
+     * Gets the maximum value the axis will show
+     *
+     * @return double The maximum value
+     * @access private
+     */
+    function _getMaximum()
+    {
+        return $this->_maximum;
+    }
+
+    /**
+     * Sets the minimum value the axis will show
+     *
+     * @param double $minimum The minumum value to use on the axis
+     * @access private
+     */
+    function _setMinimum($minimum)
+    {
+        if ($this->_minimum === false) {
+            $this->forceMinimum($minimum, false);
+        } else {
+            $this->forceMinimum(min($this->_minimum, $minimum), false);
+        }
+    }
+
+    /**
+     * Sets the maximum value the axis will show
+     *
+     * @param double $maximum The maximum value to use on the axis
+     * @access private
+     */
+    function _setMaximum($maximum)
+    {
+        if ($this->_maximum === false) {
+            $this->forceMaximum($maximum, false);
+        } else {
+            $this->forceMaximum(max($this->_maximum, $maximum), false);
+        }
+    }
+
+    /**
+     * Forces the minimum value of the axis
+     *
+     * @param double $minimum The minumum value to use on the axis
+     * @param bool $userEnforce This value should not be set, used internally
+     */
+    function forceMinimum($minimum, $userEnforce = true)
+    {        
+        if (($userEnforce) || (!$this->_minimumSet)) {
+            $this->_minimum = $minimum;
+            $this->_minimumSet = $userEnforce;
+        }
+        $this->_calcLabelInterval();
+    }
+
+    /**
+     * Forces the maximum value of the axis
+     *
+     * @param double $maximum The maximum value to use on the axis
+     * @param bool $userEnforce This value should not be set, used internally
+     */
+    function forceMaximum($maximum, $userEnforce = true)
+    {
+        if (($userEnforce) || (!$this->_maximumSet)) {
+            $this->_maximum = $maximum;
+            $this->_maximumSet = $userEnforce;
+        }
+        $this->_calcLabelInterval();
+    }
+
+    /**
+     * Show an arrow head on the 'end' of the axis
+     */
+    function showArrow()
+    {
+        $this->_showArrow = true;
+    }
+
+    /**
+     * Do not show an arrow head on the 'end' of the axis (default)
+     */
+    function hideArrow()
+    {
+        $this->_showArrow = false;
+    }
+
+    /**
+     * Return the label distance.
+     *
+     * @param int $level The label level to return the distance of
+     * @return int The distance between 2 adjacent labels
+     * @access private
+     */
+    function _labelDistance($level = 1)
+    {
+        $l1 = $this->_getNextLabel(false, $level);
+        $l2 = $this->_getNextLabel($l1, $level);;
+        return abs($this->_point($l2) - $this->_point($l1));
+    }
+
+    /**
+     * Sets an interval for when labels are shown on the axis.
+     *
+     * By default 'auto' is used, forcing the axis to calculate a approximate
+     * best label interval to be used. Specify an array to use user-defined
+     * values for labels.
+     *
+     * @param mixed $labelInterval The interval with which labels are shown
+     * @param int $level The label level to set the interval on
+     */
+    function setLabelInterval($labelInterval = 'auto', $level = 1)
+    {
+        if (!isset($this->_labelOptions[$level])) {
+            $this->_labelOptions[$level] = array();
+        }
+
+        if ($labelInterval === 'auto') {
+            $this->_labelOptions[$level]['type'] = 'auto';
+            $this->_calcLabelInterval();
+        } else {
+            $this->_labelOptions[$level]['type'] = 'manual';
+            $this->_labelOptions[$level]['interval'] = $labelInterval;
+        }
+    }
+
+    /**
+     * Sets options for the label at a specific level.
+     *
+     * Possible options are:
+     * 
+     * 'showtext' true or false whether label text should be shown or not
+     * 
+     * 'showoffset' should the label be shown at an offset, i.e. should the
+     * label be shown at a position so that it does not overlap with prior
+     * levels. Only applies to multilevel labels with text
+     * 
+     * 'font' The font options as an associated array
+     * 
+     * 'position' The position at which the labels are written ('inside' or
+     * 'outside' the axis). NB! This relative position only applies to the
+     * default location of the axis, i.e. if an x-axis is inverted then
+     * 'outside' still refers to the "left" side of a normal y-axis (since this
+     * is normally 'outside') but the actual output will be labels on the
+     * "inside"!
+     *
+     * 'format' To format the label text according to a sprintf statement
+     *
+     * 'dateformat' To format the label as a date, fx. j. M Y = 29. Jun 2005
+     *
+     * @param string $option The label option name (see detailed description
+     * for possible values)
+     * @param mixed $value The value for the option
+     * @param int $level The label level to set the interval on
+     */
+    function setLabelOption($option, $value, $level = 1)
+    {
+        if (!isset($this->_labelOptions[$level])) {
+            $this->_labelOptions[$level] = array('type' => 'auto');
+        }
+
+        $this->_labelOptions[$level][$option] = $value;
+    }
+
+    /**
+     * Sets options for the label at a specific level.
+     *
+     * The possible options are specified in {@link Image_Graph_Axis::
+     * setLabelOption()}.
+     *
+     * @param array $options An assciated array with label options
+     * @param int $level The label level to set the interval on
+     */
+    function setLabelOptions($options, $level = 1)
+    {
+        if (is_array($options)) {
+            if (isset($this->_labelOptions[$level])) {
+                $this->_labelOptions[$level] = array_merge($this->_labelOptions[$level], $options);
+            } else {
+                $this->_labelOptions[$level] = $options;
+            }
+                
+        }
+    }    
+    
+    /**
+     * Sets the title of this axis.
+     *
+     * This is used as an alternative (maybe better) method, than using layout's
+     * for axis-title generation.
+     * 
+     * To use the current propagated font, but just set it vertically, simply
+     * pass 'vertical' as second parameter for vertical alignment down-to-up or
+     * 'vertical2' for up-to-down alignment.
+     *
+     * @param string $title The title of this axis
+     * @param Image_Graph_Font $font The font used for the title
+     * @since 0.3.0dev2
+     */
+    function setTitle($title, $font = false)
+    {
+        $this->_title = $title;
+        if ($font === 'vertical') {
+            $this->_titleFont = array('vertical' => true, 'angle' => 90);
+        } elseif ($font === 'vertical2') {
+            $this->_titleFont = array('vertical' => true, 'angle' => 270);
+        } else {
+            $this->_titleFont =& $font;
+        }
+    }
+
+    /**
+     * Sets a fixed "size" for the axis.
+     * 
+     * If the axis is any type of y-axis the size relates to the width of the
+     * axis, if an x-axis is concerned the size is the height.
+     *
+     * @param int $size The fixed size of the axis
+     * @since 0.3.0dev5
+     */
+    function setFixedSize($size)
+    {
+        $this->_fixedSize = $size;
+    }
+
+    /**
+     * 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 $value - $this->_getMinimum() + ($this->_pushValues ? 0.5 : 0);
+    }
+
+    /**
+     * Apply the dataset to the axis
+     *
+     * @param Image_Graph_Dataset $dataset The dataset
+     * @access private
+     */
+    function _applyDataset(&$dataset)
+    {
+        if ($this->_type == IMAGE_GRAPH_AXIS_X) {
+            $this->_setMinimum($dataset->minimumX());
+            $this->_setMaximum($dataset->maximumX());
+        } else {
+            $this->_setMinimum($dataset->minimumY());
+            $this->_setMaximum($dataset->maximumY());
+        }
+    }
+
+    /**
+     * Get the pixel position represented by a value on the canvas
+     *
+     * @param double $value the value to get the pixel-point for
+     * @return double The pixel position along the axis
+     * @access private
+     */
+    function _point($value)    
+    {        
+        if ((($this->_type == IMAGE_GRAPH_AXIS_X) && (!$this->_transpose)) ||
+           (($this->_type != IMAGE_GRAPH_AXIS_X) && ($this->_transpose))) 
+        {
+            if ($this->_invert) {                
+                return max($this->_left, $this->_right - $this->_axisPadding['high'] - $this->_delta * $this->_value($value));
+            } else {
+                return min($this->_right, $this->_left + $this->_axisPadding['low'] + $this->_delta * $this->_value($value));
+            }                
+        } else {
+            if ($this->_invert) {                
+                return min($this->_bottom, $this->_top + $this->_axisPadding['high'] + $this->_delta * $this->_value($value));
+            } else {
+                return max($this->_top, $this->_bottom - $this->_axisPadding['low'] - $this->_delta * $this->_value($value));
+            }
+        }
+    }
+
+
+    /**
+     * 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 (($value === 'min') || ($value < $this->_getMinimum())) {
+            if ($this->_type == IMAGE_GRAPH_AXIS_X) {
+                if ($this->_invert) {
+                    return ($this->_transpose ? $this->_top : $this->_right);
+                } else {
+                    return ($this->_transpose ? $this->_bottom : $this->_left);
+                }
+            } else {
+                if ($this->_invert) {
+                    return ($this->_transpose ? $this->_right : $this->_top);
+                } else {
+                    return ($this->_transpose ? $this->_left : $this->_bottom);
+                }
+            }
+        } elseif (($value === 'max') || ($value > $this->_getMaximum())) {
+            if ($this->_type == IMAGE_GRAPH_AXIS_X) {
+                if ($this->_invert) {
+                    return ($this->_transpose ? $this->_bottom : $this->_left);
+                } else {
+                    return ($this->_transpose ? $this->_top : $this->_right);
+                }
+            } else {
+                if ($this->_invert) {
+                    return ($this->_transpose ? $this->_left : $this->_bottom);
+                } else {
+                    return ($this->_transpose ? $this->_right : $this->_top);
+                }
+            }
+        } 
+        
+        return $this->_point($value);
+    }
+    
+    /**
+     * Calculate the delta value (the number of pixels representing one unit
+     * on the axis)
+     *
+     * @return double The label interval
+     * @access private
+     */
+    function _calcDelta()
+    {
+        if ($this->_axisValueSpan == 0) {
+            $this->_delta = false;
+        } elseif ($this->_type == IMAGE_GRAPH_AXIS_X) {
+            $this->_delta = (($this->_transpose ? $this->height() : $this->width()) - ($this->_axisPadding['low'] + $this->_axisPadding['high'])) / ($this->_axisValueSpan + ($this->_pushValues ? 1 : 0));
+        } else {
+            $this->_delta = (($this->_transpose ? $this->width() : $this->height()) - ($this->_axisPadding['low'] + $this->_axisPadding['high'])) / ($this->_axisValueSpan + ($this->_pushValues ? 1 : 0));
+        }
+    }        
+    
+    /**
+     * Calculate the label interval
+     *
+     * If explicitly defined this will be calucated to an approximate best.
+     *
+     * @return double The label interval
+     * @access private
+     */
+    function _calcLabelInterval()
+    {
+        $min = $this->_getMinimum();
+        $max = $this->_getMaximum();
+        
+        $this->_axisValueSpan = $this->_axisSpan = abs($max - $min);
+        
+        if ((!empty($min)) && (!empty($max)) && ($min > $max)) {
+            $this->_labelOptions[1]['interval'] = 1;
+            return true;
+        }
+
+        $span = 0;
+        foreach($this->_labelOptions as $level => $labelOptions) {
+            if ((!isset($labelOptions['type'])) || ($labelOptions['type'] !== 'auto')) {
+                $span = false;
+            } elseif ($level == 1) {
+                $span = $this->_axisValueSpan;
+            } else {
+                $l1 = $this->_getNextLabel(false, $level - 1);
+                $l2 = $this->_getNextLabel($l1, $level - 1);
+                if ((!is_numeric($l1)) || (!is_numeric($l2))) {
+                    $span == false;
+                } else {
+                    $span = $l2 - $l1;
+                }
+            }
+
+            if ($span !== false) {
+                $interval = pow(10, floor(log10($span)));
+
+                if ($interval == 0) {
+                    $interval = 1;
+                }
+
+                if ((($span) / $interval) < 3) {
+                    $interval = $interval / 4;
+                } elseif ((($span) / $interval) < 5) {
+                    $interval = $interval / 2;
+                } elseif ((($span) / $interval) > 10) {
+                    $interval = $interval * 2;
+                }
+
+                if (($interval -floor($interval) == 0.5) && ($interval != 0.5)) {
+                    $interval = floor($interval);
+                }
+
+                // just to be 100% sure that an interval of 0 is not returned some
+                // additional checks are performed
+                if ($interval == 0) {
+                    $interval = ($span) / 5;
+                }
+
+                if ($interval == 0) {
+                    $interval = 1;
+                }
+
+                $this->_labelOptions[$level]['interval'] = $interval;
+            }
+        }
+    }
+
+    /**
+     * Get next label point
+     *
+     * @param doubt $currentLabel The current label, if omitted or false, the
+     *   first is returned
+     * @param int $level The label level to get the next label from
+     * @return double The next label point
+     * @access private
+     */
+    function _getNextLabel($currentLabel = false, $level = 1)
+    {
+        if (!isset($this->_labelOptions[$level])) {
+            return false;
+        }
+
+        if (is_array($this->_labelOptions[$level]['interval'])) {
+            if ($currentLabel === false) {
+                reset($this->_labelOptions[$level]['interval']);
+            }
+
+            if (list(, $label) = each($this->_labelOptions[$level]['interval'])) {
+                return $label;
+            } else {
+                return false;
+            }
+        } else {
+            $li = $this->_labelInterval($level);
+            if (($this->_axisSpan == 0) || ($this->_axisValueSpan == 0) ||
+                ($li == 0)
+            ) {
+                return false;
+            }
+
+            $labelInterval = $this->_axisSpan / ($this->_axisValueSpan / $li);
+
+            if ($labelInterval == 0) {
+                return false;
+            }
+
+            if ($currentLabel === false) {
+                $label = ((int) ($this->_getMinimum() / $labelInterval)) *
+                    $labelInterval - $labelInterval;
+                while ($label < $this->_getMinimum()) {
+                    $label += $labelInterval;
+                }
+                return $label;
+            } else {
+                if ($currentLabel + $labelInterval > $this->_getMaximum()) {
+                    return false;
+                } else {
+                    return $currentLabel + $labelInterval;
+                }
+            }
+        }
+    }
+
+    /**
+     * Get the interval with which labels are shown on the axis.
+     *
+     * If explicitly defined this will be calucated to an approximate best.
+     *
+     * @param int $level The label level to get the label interval for
+     * @return double The label interval
+     * @access private
+     */
+    function _labelInterval($level = 1)
+    {
+        if ((!isset($this->_labelOptions[$level])) ||
+            (!isset($this->_labelOptions[$level]['interval']))
+        ) {
+            return 1;
+        }
+
+        return (is_array($this->_labelOptions[$level]['interval'])
+            ? 1
+            : $this->_labelOptions[$level]['interval']
+        );
+    }
+
+    /**
+     * 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 (!$this->_visible) {
+            return 0;
+        }
+        
+        if ($this->_fixedSize !== false) {
+            return $this->_fixedSize;
+        }
+         
+        krsort($this->_labelOptions);
+
+        $totalMaxSize = 0;
+
+        foreach ($this->_labelOptions as $level => $labelOptions) {
+            if ((isset($labelOptions['showoffset'])) && ($labelOptions['showoffset'] === true)) {
+                $this->_labelOptions[$level]['offset'] += $totalMaxSize;
+            } elseif (!isset($this->_labelOptions[$level]['offset'])) {
+                $this->_labelOptions[$level]['offset'] = 0;
+            }
+            if (
+                (isset($labelOptions['showtext'])) &&                
+                ($labelOptions['showtext'] === true) &&
+                (
+                    (!isset($labelOptions['position'])) ||
+                    ($labelOptions['position'] == 'outside')
+                )               
+            ) {
+                if (isset($labelOptions['font'])) {
+                    $font = $this->_getFont($labelOptions['font']);
+                } else {
+                    if ($this->_defaultFontOptions !== false) {
+                        $font = $this->_defaultFontOptions;
+                    } else {
+                        $font = $this->_getFont();
+                    }
+                }
+                $this->_canvas->setFont($font);
+
+                $value = false;
+                $maxSize = 0;
+                while (($value = $this->_getNextLabel($value, $level)) !== false) {
+                    if ((abs($value) > 0.0001) && ($value > $this->_getMinimum()) &&
+                        ($value < $this->_getMaximum()))
+                    {
+                        if (is_object($this->_dataPreProcessor)) {
+                            $labelText = $this->_dataPreProcessor->_process($value);
+                        } elseif (isset($labelOptions['format'])) {
+                            $labelText = sprintf($labelOptions['format'], $value);
+                        } elseif (isset($labelOptions['dateformat'])) {
+                            $labelText = date($labelOptions['dateformat'], $value);
+                        } else {
+                            $labelText = $value;
+                        }
+
+                        if ((($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 ((isset($labelOptions['showoffset'])) && ($labelOptions['showoffset'] === true)) {
+                    $totalMaxSize += $maxSize;
+                } else {
+                    $totalMaxSize = max($totalMaxSize, $maxSize);
+                }
+            }
+        }
+
+        if ($this->_title) {
+            $this->_canvas->setFont($this->_getTitleFont());
+
+            if ((($this->_type == IMAGE_GRAPH_AXIS_X) && (!$this->_transpose)) ||
+               (($this->_type != IMAGE_GRAPH_AXIS_X) && ($this->_transpose)))
+            {
+                $totalMaxSize += $this->_canvas->textHeight($this->_title);
+            } else {
+                $totalMaxSize += $this->_canvas->textWidth($this->_title);
+            }
+            $totalMaxSize += 10;
+        }
+
+        return $totalMaxSize + 3;
+    }
+
+    /**
+     * Adds a mark to the axis at the specified value
+     *
+     * @param double $value The value
+     * @param double $value2 The second value (for a ranged mark)
+     */
+    function addMark($value, $value2 = false, $text = false)
+    {
+        if ($value2 === false) {
+            $this->_marks[] = $value;
+        } else {
+            $this->_marks[] = array($value, $value2);
+        }
+    }
+
+    /**
+     * Is the axis numeric or not?
+     *
+     * @return bool True if numeric, false if not
+     * @access private
+     */
+    function _isNumeric()
+    {
+        return true;
+    }
+
+    /**
+     * Set the major tick appearance.
+     *
+     * The positions are specified in pixels relative to the axis, meaning that
+     * a value of -1 for start will draw the major tick 'line' starting at 1
+     * pixel outside (negative) value the axis (i.e. below an x-axis and to the
+     * left of a normal y-axis).
+     *
+     * @param int $start The start position relative to the axis
+     * @param int $end The end position relative to the axis
+     * @param int $level The label level to set the tick options for
+     * @since 0.3.0dev2
+     */
+    function setTickOptions($start, $end, $level = 1)
+    {
+        if (!isset($this->_labelOptions[$level])) {
+            $this->_labelOptions[$level] = array();
+        }
+
+        $this->_labelOptions[$level]['tick'] = array(
+            'start' => $start,
+            'end' => $end
+        );
+    }
+    
+    /**
+     * Invert the axis direction
+     * 
+     * If the minimum values are normally displayed fx. at the bottom setting
+     * axis inversion to true, will cause the minimum values to be displayed at
+     * the top and maximum at the bottom.
+     *
+     * @param bool $invert True if the axis is to be inverted, false if not
+     * @since 0.3.0dev3
+     */
+    function setInverted($invert)
+    {
+        $this->_invert = $invert;
+    }
+
+    /**
+     * Set axis intersection.
+     *
+     * Sets the value at which the axis intersects other axis, fx. at which Y-
+     * value the x-axis intersects the y-axis (normally at 0).
+     * 
+     * Possible values are 'default', 'min', 'max' or a number between axis min
+     * and max (the value will automatically be limited to this range).
+     * 
+     * For a coordinate system with 2 y-axis, the x-axis can either intersect
+     * the primary or the secondary y-axis. To make the x-axis intersect the
+     * secondary y-axis at a given value pass IMAGE_GRAPH_AXIS_Y_SECONDARY as
+     * second parameter.
+     *
+     * @param mixed $intersection The value at which the axis intersect the
+     * 'other' axis
+     * @param mixed $axis The axis to intersect. Only applies to x-axis with
+     * both a primary and secondary y-axis available.
+     * @since 0.3.0dev2
+     */
+    function setAxisIntersection($intersection, $axis = 'default')
+    {
+        if ($axis == 'x') {
+            $axis = IMAGE_GRAPH_AXIS_X;
+        } elseif ($axis == 'y') {
+            $axis = IMAGE_GRAPH_AXIS_Y;
+        } elseif ($axis == 'ysec') {
+            $axis = IMAGE_GRAPH_AXIS_Y_SECONDARY;
+        }
+        $this->_intersect = array(
+            'value' => $intersection,
+            'axis' => $axis
+        );
+    }
+
+    /**
+     * Get axis intersection data.
+     * 
+     * @return array An array with the axis intersection data.
+     * @since 0.3.0dev2
+     * @access private
+     */
+    function _getAxisIntersection()
+    {
+        $value = $this->_intersect['value'];
+        $axis = $this->_intersect['axis'];
+        if (($this->_type == IMAGE_GRAPH_AXIS_Y) 
+            || ($this->_type == IMAGE_GRAPH_AXIS_Y_SECONDARY)
+        ) {
+            $axis = IMAGE_GRAPH_AXIS_X;
+        } elseif ($axis == 'default') {
+            $axis = IMAGE_GRAPH_AXIS_Y;
+        }
+        
+        if ($value === 'default') {
+            switch ($this->_type) {
+            case IMAGE_GRAPH_AXIS_Y:
+                $value = 'min';
+                break;
+            case IMAGE_GRAPH_AXIS_Y_SECONDARY:
+                $value = 'max';
+                break;
+            case IMAGE_GRAPH_AXIS_X:
+                $value = 0;
+                break;
+            }
+        }
+        
+        return array('value' => $value, 'axis' => $axis);
+    }
+    
+    /**
+     * Resets the elements
+     *
+     * @access private
+     */
+    function _reset()
+    {
+        parent::_reset();
+        $this->_labelText = array();
+    }
+    
+    /**
+     * Output an axis tick mark.
+     *
+     * @param int $value The value to output
+     * @param int $level The label level to draw the tick for
+     * @access private
+     */
+    function _drawTick($value, $level = 1)
+    {
+        if (isset($this->_labelOptions[$level])) {
+            $labelOptions = $this->_labelOptions[$level];
+            $labelPosition = $this->_point($value);
+
+            if (isset($labelOptions['offset'])) {
+                $offset = $labelOptions['offset'];
+            } else {
+                $offset = 0;
+            }
+
+            if ((isset($labelOptions['showtext'])) && ($labelOptions['showtext'] === true)) {
+                if (is_object($this->_dataPreProcessor)) {
+                    $labelText = $this->_dataPreProcessor->_process($value);
+                } elseif (isset($labelOptions['format'])) {
+                    $labelText = sprintf($labelOptions['format'], $value);
+                } elseif (isset($labelOptions['dateformat'])) {
+                    $labelText = date($labelOptions['dateformat'], $value);
+                } else {
+                    $labelText = $value;
+                }
+
+                if (!in_array($labelText, $this->_labelText)) {
+                    $this->_labelText[] = $labelText;
+
+                    if (isset($labelOptions['font'])) {
+                        $font = $this->_getFont($labelOptions['font']);
+                    } else {
+                        if ($this->_defaultFontOptions !== false) {
+                            $font = $this->_defaultFontOptions;
+                        } else {
+                            $font = $this->_getFont();
+                        }
+                    }
+                    $this->_canvas->setFont($font);
+                    
+                    if (
+                        (isset($labelOptions['position'])) && 
+                        ($labelOptions['position'] == 'inside')
+                    ) {
+                        $labelInside = true;
+                    } else {
+                        $labelInside = false;
+                    }
+                                        
+                    if ($this->_type == IMAGE_GRAPH_AXIS_Y) {
+                        if ($this->_transpose) {
+                            if ($labelInside) {
+                                $this->write(
+                                    $labelPosition,
+                                    $this->_top - 3 - $offset,
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_BOTTOM | IMAGE_GRAPH_ALIGN_CENTER_X,
+                                    $font
+                                );
+                            } else {
+                                $this->write(
+                                    $labelPosition,
+                                    $this->_top + 6 + $offset + $font['size'] * (substr_count($labelText, "\n") + 1),                                                                   
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_BOTTOM | IMAGE_GRAPH_ALIGN_CENTER_X,
+                                    $font
+                                );
+                            }
+                        }
+                        else {                        
+                            if ($labelInside) {
+                                $this->write(
+                                    $this->_right + 3 + $offset,
+                                    $labelPosition,
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_CENTER_Y | IMAGE_GRAPH_ALIGN_LEFT,
+                                    $font
+                                );
+                            } else {
+                                $this->write(
+                                    $this->_right - 3 - $offset,
+                                    $labelPosition,
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_CENTER_Y | IMAGE_GRAPH_ALIGN_RIGHT,
+                                    $font
+                                );
+                            }
+                        }
+                    } elseif ($this->_type == IMAGE_GRAPH_AXIS_Y_SECONDARY) {
+                        if ($this->_transpose) {
+                            if ($labelInside) {
+                                $this->write(
+                                    $labelPosition,
+                                    $this->_bottom + 6 + $offset + $font['size'] * (substr_count($labelText, "\n") + 1),
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_BOTTOM | IMAGE_GRAPH_ALIGN_CENTER_X,
+                                    $font
+                                );
+                            } else {
+                                $this->write(
+                                    $labelPosition,
+                                    $this->_bottom - 3 - $offset,                                                                   
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_BOTTOM | IMAGE_GRAPH_ALIGN_CENTER_X,
+                                    $font
+                                );
+                            }
+                        }
+                        else {
+                            if ($labelInside) {
+                                $this->write(
+                                    $this->_left - 3 - $offset,
+                                    $labelPosition,
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_CENTER_Y | IMAGE_GRAPH_ALIGN_RIGHT,
+                                    $font
+                                );
+                            } else {
+                                $this->write(
+                                    $this->_left + 3 + $offset,
+                                    $labelPosition,
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_CENTER_Y | IMAGE_GRAPH_ALIGN_LEFT,
+                                    $font
+                                );
+                            }
+                        }
+                    } else {
+                        if ($this->_transpose) {
+                            if ($labelInside) {
+                                $this->write(
+                                    $this->_right + 3 + $offset,
+                                    $labelPosition,
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_CENTER_Y | IMAGE_GRAPH_ALIGN_LEFT,
+                                    $font
+                                );
+                            } else {
+                                $this->write(
+                                    $this->_right - 3 - $offset,                                                                   
+                                    $labelPosition,
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_CENTER_Y | IMAGE_GRAPH_ALIGN_RIGHT,
+                                    $font
+                                );
+                            }
+                        }
+                        else {
+                            if ($labelInside === true) {
+                                $this->write(
+                                    $labelPosition,
+                                    $this->_top - 3 - $offset,
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_CENTER_X | IMAGE_GRAPH_ALIGN_BOTTOM,
+                                    $font
+                                );
+                            } else {                                
+                                $this->write(
+                                    $labelPosition,
+                                    $this->_top + 6 + $offset + $font['size'] * (substr_count($labelText, "\n") + 1),
+                                    $labelText,
+                                    IMAGE_GRAPH_ALIGN_CENTER_X | IMAGE_GRAPH_ALIGN_BOTTOM,
+                                    $font
+                                );
+                            }
+                        }
+                    }
+                }
+            }
+
+            $tickColor = false;
+            if (isset($this->_labelOptions[$level]['tick'])) {
+                if (isset($this->_labelOptions[$level]['tick']['start'])) {                
+                    $tickStart = $this->_labelOptions[$level]['tick']['start'];
+                } else {
+                    $tickStart = false;
+                }
+
+                if (isset($this->_labelOptions[$level]['tick']['end'])) {                
+                    $tickEnd = $this->_labelOptions[$level]['tick']['end'];
+                } else {
+                    $tickEnd = false;
+                }
+                                    
+                if ((isset($this->_labelOptions[$level]['tick']['color'])) && ($this->_labelOptions[$level]['tick']['color'] !== false)) {
+                    $tickColor = $this->_labelOptions[$level]['tick']['color'];
+                }
+            }
+            
+            if ($tickStart === false) {
+                $tickStart = -2;
+            }
+            
+            if ($tickEnd === false) {
+                $tickEnd = 2;
+            }
+
+            if ($tickColor !== false) {
+                $this->_canvas->setLineColor($tickColor);
+            }
+            else {
+                $this->_getLineStyle();
+            }
+            
+            if ($this->_type == IMAGE_GRAPH_AXIS_Y) {
+                if ($tickStart === 'auto') {
+                    $tickStart = -$offset;
+                }
+                if ($this->_transpose) {
+                    $this->_canvas->line(
+                        array(
+                            'x0' => $labelPosition,
+                            'y0' => $this->_top + $tickStart,
+                            'x1' => $labelPosition,
+                            'y1' => $this->_top + $tickEnd
+                        )
+                    );
+                }
+                else {
+                    $this->_canvas->line(
+                    	array(
+                        	'x0' => $this->_right + $tickStart,
+                        	'y0' => $labelPosition,
+                        	'x1' => $this->_right + $tickEnd,
+                        	'y1' => $labelPosition
+                        )
+                    );
+                }
+            } elseif ($this->_type == IMAGE_GRAPH_AXIS_Y_SECONDARY) {
+                if ($tickStart === 'auto') {
+                    $tickStart = $offset;
+                }
+                if ($this->_transpose) {
+                    $this->_canvas->line(
+                        array(
+                            'x0' => $labelPosition,
+                            'y0' => $this->_bottom - $tickStart,
+                            'x1' => $labelPosition,
+                            'y1' => $this->_bottom - $tickEnd
+                        )
+                    );
+                }
+                else {
+                    $this->_canvas->line(
+                    	array(
+                        	'x0' => $this->_left - $tickStart,
+                        	'y0' => $labelPosition,
+                        	'x1' => $this->_left - $tickEnd,
+                        	'y1' => $labelPosition
+                        )
+                    );
+                }
+            } else {
+                if ($tickStart === 'auto') {
+                    $tickStart = $offset;
+                }
+                if ($this->_transpose) {
+                    $this->_canvas->line(
+                        array(
+                            'x0' => $this->_right + $tickStart,
+                            'y0' => $labelPosition,
+                            'x1' => $this->_right + $tickEnd,
+                            'y1' => $labelPosition
+                        )
+                    );
+                }
+                else {
+                    $this->_canvas->line(
+                    	array(
+                        	'x0' => $labelPosition,
+                        	'y0' => $this->_top - $tickStart,
+                        	'x1' => $labelPosition,
+                        	'y1' => $this->_top - $tickEnd
+                        )
+                    );
+                }
+            }
+        }
+    }
+
+    /**
+     * Draws axis lines.
+     *
+     * @access private
+     */
+    function _drawAxisLines()
+    {
+        if ($this->_type == IMAGE_GRAPH_AXIS_X) {
+            $this->_getLineStyle(); 
+            $this->_getFillStyle(); 
+            
+            if ($this->_transpose) {
+                $data = array(
+                        'x0' => $this->_right,
+                        'y0' => $this->_top,
+                        'x1' => $this->_right,
+                        'y1' => $this->_bottom
+                    );
+            } else {
+                $data = array(
+                        'x0' => $this->_left,
+                        'y0' => $this->_top,
+                        'x1' => $this->_right,
+                        'y1' => $this->_top
+                    );
+            }
+                
+            if ($this->_showArrow) {
+                if ($this->_getMaximum() <= 0) {
+                    $data['end0'] = 'arrow2';
+                    $data['size0'] = 7;
+                }
+                else {
+                    $data['end1'] = 'arrow2';
+                    $data['size1'] = 7;
+                }
+            } 
+            
+            $this->_canvas->line($data);
+
+            if ($this->_title) {
+                if (!$this->_transpose) {
+                    $y = $this->_bottom;
+                    $x = $this->_left + $this->width() / 2;
+                    $this->write($x, $y, $this->_title, IMAGE_GRAPH_ALIGN_CENTER_X + IMAGE_GRAPH_ALIGN_BOTTOM, $this->_getTitleFont());
+                }
+                else {
+                    $y = $this->_top + $this->height() / 2;
+                    $x = $this->_left;
+                    $this->write($x, $y, $this->_title, IMAGE_GRAPH_ALIGN_LEFT + IMAGE_GRAPH_ALIGN_CENTER_Y, $this->_getTitleFont());
+                }
+            }
+        } elseif ($this->_type == IMAGE_GRAPH_AXIS_Y_SECONDARY) {
+            $this->_getLineStyle();
+            $this->_getFillStyle(); 
+            
+            if ($this->_transpose) {
+                $data = array(
+                        'x0' => $this->_left,
+                        'y0' => $this->_bottom,
+                        'x1' => $this->_right,
+                        'y1' => $this->_bottom
+                    );
+            } else {
+                $data = array(
+                        'x0' => $this->_left,
+                        'y0' => $this->_bottom,
+                        'x1' => $this->_left,
+                        'y1' => $this->_top
+                    );
+            }
+            if ($this->_showArrow) {
+                if ($this->_getMaximum() <= 0) {
+                    $data['end0'] = 'arrow2';
+                    $data['size0'] = 7;
+                }
+                else {
+                    $data['end1'] = 'arrow2';
+                    $data['size1'] = 7;
+                }
+            } 
+            $this->_canvas->line($data);
+
+            if ($this->_title) {
+                if ($this->_transpose) {
+                    $y = $this->_top;
+                    $x = $this->_left + $this->width() / 2;
+                    $this->write($x, $y, $this->_title, IMAGE_GRAPH_ALIGN_CENTER_X + IMAGE_GRAPH_ALIGN_TOP, $this->_getTitleFont());
+                }
+                else {
+                    $y = $this->_top + $this->height() / 2;
+                    $x = $this->_right;
+                    $this->write($x, $y, $this->_title, IMAGE_GRAPH_ALIGN_RIGHT + IMAGE_GRAPH_ALIGN_CENTER_Y, $this->_getTitleFont());
+                }
+            }
+        } else {
+            $this->_getLineStyle();
+            $this->_getFillStyle(); 
+                        
+            if ($this->_transpose) {
+                $data = array(
+                        'x0' => $this->_left,
+                        'y0' => $this->_top,
+                        'x1' => $this->_right,
+                        'y1' => $this->_top
+                    );
+            } else {
+                $data = array(
+                        'x0' => $this->_right,
+                        'y0' => $this->_bottom,
+                        'x1' => $this->_right,
+                        'y1' => $this->_top
+                    );
+            }
+            if ($this->_showArrow) {
+                if ($this->_getMaximum() <= 0) {
+                    $data['end0'] = 'arrow2';
+                    $data['size0'] = 7;
+                }
+                else {
+                    $data['end1'] = 'arrow2';
+                    $data['size1'] = 7;
+                }
+            } 
+            $this->_canvas->line($data);            
+
+            if ($this->_title) {
+                if ($this->_transpose) {
+                    $y = $this->_bottom;
+                    $x = $this->_left + $this->width() / 2;
+                    $this->write($x, $y, $this->_title, IMAGE_GRAPH_ALIGN_CENTER_X + IMAGE_GRAPH_ALIGN_BOTTOM, $this->_getTitleFont());
+                }
+                else {
+                    $y = $this->_top + $this->height() / 2;
+                    $x = $this->_left;
+                    $this->write($x, $y, $this->_title, IMAGE_GRAPH_ALIGN_LEFT + IMAGE_GRAPH_ALIGN_CENTER_Y, $this->_getTitleFont());
+                }
+            }
+        }
+    }
+
+    /**
+     * Causes the object to update all sub elements coordinates
+     *
+     * (Image_Graph_Common, does not itself have coordinates, this is basically
+     * an abstract method)
+     *
+     * @access private
+     */
+    function _updateCoords()
+    {
+        parent::_updateCoords();
+        $this->_calcDelta();
+    }
+    
+    /**
+     * Output the axis
+     *
+     * @return bool Was the output 'good' (true) or 'bad' (false).
+     * @access private
+     */
+    function _done()
+    {
+        $this->_canvas->startGroup(get_class($this));        
+
+        if (parent::_done() === false) {
+            return false;
+        }
+        
+        $this->_drawAxisLines();
+
+        $this->_canvas->startGroup(get_class($this) . '_ticks');        
+        ksort($this->_labelOptions);
+        foreach ($this->_labelOptions as $level => $labelOption) {
+            $value = false;
+            while (($value = $this->_getNextLabel($value, $level)) !== false) {
+                if ((((abs($value) > 0.0001) || ($this->_showLabelZero)) &&
+                    (($value > $this->_getMinimum()) || ($this->_showLabelMinimum)) &&
+                    (($value < $this->_getMaximum()) || ($this->_showLabelMaximum))) &&
+                    ($value >= $this->_getMinimum()) && ($value <= $this->_getMaximum())
+                ) {
+                    $this->_drawTick($value, $level);
+                }
+            }
+        }
+        $this->_canvas->endGroup();        
+
+        $tickStart = -3;
+        $tickEnd = 2;
+
+        foreach ($this->_marks as $mark) {
+            if (is_array($mark)) {
+                if ($this->_type == IMAGE_GRAPH_AXIS_X) {
+                    if ($this->_transpose) {
+                        $x0 = $this->_right + $tickStart;
+                        $y0 = $this->_point($mark[1]);
+                        $x1 = $this->_right + $tickEnd;
+                        $y1 = $this->_point($mark[0]);
+                    }
+                    else {
+                        $x0 = $this->_point($mark[0]);
+                        $y0 = $this->_top + $tickStart;
+                        $x1 = $this->_point($mark[1]);
+                        $y1 = $this->_top + $tickEnd;
+                    }
+                } elseif ($this->_type == IMAGE_GRAPH_AXIS_Y) {
+                    if ($this->_transpose) {
+                        $x0 = $this->_point($mark[0]);
+                        $y0 = $this->_top + $tickStart;
+                        $x1 = $this->_point($mark[1]);
+                        $y1 = $this->_top + $tickEnd;
+                    }
+                    else {
+                        $x0 = $this->_right + $tickStart;
+                        $y0 = $this->_point($mark[1]);
+                        $x1 = $this->_right + $tickEnd;
+                        $y1 = $this->_point($mark[0]);
+                    }
+                } elseif ($this->_type == IMAGE_GRAPH_AXIS_Y_SECONDARY) {
+                    if ($this->_transpose) {
+                        $x0 = $this->_point($mark[0]);
+                        $y0 = $this->_bottom + $tickStart;
+                        $x1 = $this->_point($mark[1]);
+                        $y1 = $this->_bottom + $tickEnd;
+                    }
+                    else {
+                        $x0 = $this->_left + $tickStart;
+                        $y0 = $this->_point($mark[1]);
+                        $x1 = $this->_left + $tickEnd;
+                        $y1 = $this->_point($mark[0]);
+                    }                        
+                }
+                $this->_getFillStyle();
+                $this->_getLineStyle();
+                $this->_canvas->rectangle(array('x0' => $x0, 'y0' => $y0, 'x1' => $x1, 'y1' => $y1));
+            } else {
+                if ($this->_type == IMAGE_GRAPH_AXIS_X) {
+                    if ($this->_transpose) {
+                        $x0 = $this->_right + 5;
+                        $y0 = $this->_point($mark);
+                        $x1 = $this->_right + 15;
+                        $y1 = $y0;
+                    }
+                    else {
+                        $x0 = $this->_point($mark);
+                        $y0 = $this->_top - 5;
+                        $x1 = $x0;
+                        $y1 = $this->_top - 15;
+                    }
+                } elseif ($this->_type == IMAGE_GRAPH_AXIS_Y) {
+                    if ($this->_transpose) {
+                        $x0 = $this->_point($mark);
+                        $y0 = $this->_top - 5;
+                        $x1 = $x0;
+                        $y1 = $this->_top - 15;
+                    }
+                    else {
+                        $x0 = $this->_right + 5;
+                        $y0 = $this->_point($mark);
+                        $x1 = $this->_right + 15;
+                        $y1 = $y0;
+                    }
+                } elseif ($this->_type == IMAGE_GRAPH_AXIS_Y_SECONDARY) {
+                    if ($this->_transpose) {
+                        $x0 = $this->_point($mark);
+                        $y0 = $this->_bottom + 5;
+                        $x1 = $x0;
+                        $y1 = $this->_bottom + 15;
+                    }
+                    else {
+                        $x0 = $this->_left - 5;
+                        $y0 = $this->_point($mark);
+                        $x1 = $this->_left - 15;
+                        $y1 = $y0;
+                    }                        
+                }
+                $this->_getFillStyle();
+                $this->_getLineStyle();
+                $this->_canvas->line(
+                    array(
+                        'x0' => $x0,
+                        'y0' => $y0, 
+                        'x1' => $x1, 
+                        'y1' => $y1, 
+                        'end0' => 'arrow2',
+                        'size0' => 5                        
+                    )
+                );
+            }
+        }
+        $this->_canvas->endGroup();        
+
+        return true;
+    }
+
+}
+
+?>
\ No newline at end of file