Gmagick
PHP 手册

Gmagick::getimagegamma

(PECL gmagick >= Unknown)

Gmagick::getimagegammaGets the image gamma

说明

public void Gmagick::getimagegamma ( void )

Gets the image gamma

参数

This function has no parameters.

返回值

Returns the image gamma on success

错误/异常

Throws an GmagickException on error.


Gmagick
PHP 手册