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PHP Manual

This manual is provided as a courtesy. It is not an official source. Please check php.net for updated information.

PHP Manual

PHP Manual
PHP Manual
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imagegammacorrect

(PHP 3 >= 3.0.13, PHP 4, PHP 5)

imagegammacorrect -- Apply a gamma correction to a GD image

Description

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

The imagegammacorrect() function applies gamma correction to a gd image stream (image) given an input gamma, the parameter inputgamma and an output gamma, the parameter outputgamma.

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