Imagick::getImageExtrema

(PECL imagick 2.0.0)

Imagick::getImageExtrema — Gets the extrema for the image

array Imagick::getImageExtrema ( void )

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".

错误时抛出 ImagickException。