Gmagick
PHP Manual

Gmagick::normalizeimage

(PECL gmagick >= Unknown)

Gmagick::normalizeimage — Enhances the contrast of a color image

Descrição

public void Gmagick::normalizeimage ([ int $channel ] )

Enhances the contrast of a color image by adjusting the pixels color to span the entire range of colors available.

Parâmetros

channel

Identify which channel to normalize

Valor Retornado

The Gmagick object on success

Erros

Throws an GmagickException on error.

Gmagick
PHP Manual