Gmagick
PHP Manual

Gmagick::setimagegamma

(PECL gmagick >= Unknown)

Gmagick::setimagegamma — Sets the image gamma

Description

public Gmagick Gmagick::setimagegamma ( float $gamma )

Sets the image gamma.

Parameters

gamma

The image gamma.

Return Values

The Gmagick object on success

Errors/Exceptions

Throws an GmagickException on error.

Gmagick
PHP Manual