/** * 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)); }