/**
* Checks the library to use and returns its class
*
* @param string $library The library name (Gd, Imagick)
*
* @throws ImageException if the image library does not exists.
*
* @return string
*/
public static function getLibraryClass($library)
{
if (!$library) {
$library = Libs\Imagick::checkCompatibility() ? self::LIB_IMAGICK : self::LIB_GD;
}
$class = 'Imagecow\\Libs\\' . $library;
if (!class_exists($class)) {
throw new ImageException('The image library is not valid');
}
if (!$class::checkCompatibility()) {
throw new ImageException("The image library '{$library}' is not installed in this computer");
}
return $class;
}
