The Imagick class
PHP Manual

Imagick::getImageGamma

(PECL imagick 2.0.0)

Imagick::getImageGammaGets the image gamma

Description

float Imagick::getImageGamma ( void )
Warning

This function is currently not documented; only its argument list is available.

Gets the image gamma.

Return Values

Returns the image gamma on success. Throw an ImagickException on error.


The Imagick class
PHP Manual