/**
* load image
*
* @param string $url
* @return resource or false in case of error
*/
protected function _loadImage($url)
{
error_log('url: ' . $url);
return $this->_imageHandler->loadImage($url);
}
/**
* it loads tile image from cache
*
* @param int $x
* @param int $y
* @param int $zoom
* @return resources
*/
public function getTile($x, $y, $zoom)
{
return $this->_imageHandler->loadImage($this->_getFileName($x, $y, $zoom));
}
