The Imagick class
PHP Manual

Imagick::normalizeImage

(PECL imagick 2.0.0)

Imagick::normalizeImageEnhances the contrast of a color image

Descripción

bool Imagick::normalizeImage ([ int $channel ] )
Warning

Esta función no está documentada actualmente, solamente se encuentra disponible la lista de parámetros.

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

Lista de parámetros

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Valores retornados

Returns TRUE on success.


The Imagick class
PHP Manual