(PECL imagick 2.0.0)
Imagick::getImageExtrema — Gets the extrema for the image
Gets the extrema for the image. Returns an associative array with the keys "min" and "max".
Returns an associative array with the keys "min" and "max".
锟斤拷锟斤拷时锟阶筹拷 ImagickException锟斤拷