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Gmagick::getimageextrema

(PECL gmagick >= Unknown)

Gmagick::getimageextrema — Gets the extrema for the image

说明

public Gmagick::getimageextrema(): array

Returns an associative array with the keys "min" and "max". 错误时抛出 GmagickException。

参数

此函数没有参数。

返回值

Returns an associative array with the keys "min" and "max".

错误／异常

错误时抛出 GmagickException。