/**
* The height of the element on the canvas
*
* @return int Number of pixels representing the height of the element
* @access private
*/
function _height()
{
$parent = is_object($this->_parent) ? get_class($this->_parent) : $this->_parent;
if (strtolower($parent) == 'image_graph_plotarea') {
$param = $this->_parameterArray(true);
$param['align'] = IMAGE_GRAPH_ALIGN_VERTICAL;
$param0 = $param;
$keys = array_keys($this->_plotareas);
foreach ($keys as $key) {
$plotarea =& $this->_plotareas[$key];
$keys2 = array_keys($plotarea->_elements);
foreach ($keys2 as $key) {
$element =& $plotarea->_elements[$key];
if (is_a($element, 'Image_Graph_Plot')) {
$element->_legendSample($param);
}
}
unset($keys2);
}
unset($keys);
return abs($param['y'] - $param0['y']) + $this->_padding['top'] + $this->_padding['bottom'];
} else {
return parent::height();
}
}
