/**
* Bottom boundary of the background fill area
* @return int Bottommost position on the canvas
* @access private
*/
function _fillBottom()
{
if ($this->_alignment & IMAGE_GRAPH_ALIGN_BOTTOM) {
return $this->_top;
}
if ($this->_alignment & IMAGE_GRAPH_ALIGN_CENTER_Y) {
return $this->_top + $this->_font->_centerHeight($this->_text);
} else {
return $this->_top + $this->_font->height($this->_text);
}
}
