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The Imagick class
PHP Manual

Imagick::normalizeImage

(No version information available, might be only in CVS)

Imagick::normalizeImageEnhances the contrast of a color image

Description

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

This function is currently not documented; only its argument list is available.

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

Parameters

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.

Return Values

Returns TRUE on success.


The Imagick class
PHP Manual