Longhorn PHP 2019 Schedule

Gmagick::setimagegamma

(PECL gmagick >= Unknown)

Gmagick::setimagegammaSets the image gamma

说明

public Gmagick::setimagegamma ( float $gamma ) : Gmagick

Sets the image gamma.

参数

gamma

The image gamma.

返回值

The Gmagick object on success

错误/异常

错误时抛出 GmagickException

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