Image
PHP Manual

imagegammacorrect

(PHP 4, PHP 5)

imagegammacorrect — Apply a gamma correction to a GD image

Description

bool imagegammacorrect ( resource $image , float $inputgamma , float $outputgamma )

Applies gamma correction to the given gd image given an input and an output gamma.

Parameters

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

inputgamma

The input gamma

outputgamma

The output gamma

Return Values

Returns TRUE on success or FALSE on failure.


Image
PHP Manual