Last updated: Sat, 07 Jan 2012

Gmagick::gammaimage

(PECL gmagick >= Unknown)

Gmagick::gammaimage — Gamma-corrects an image

Beschreibung

public Gmagick Gmagick::gammaimage ( float $gamma )

Gamma-corrects an image. The same image viewed on different devices will have perceptual differences in the way the image's intensities are represented on the screen. Specify individual gamma levels for the red, green, and blue channels, or adjust all three with the gamma parameter. Values typically range from 0.8 to 2.3.

Parameter-Liste

gamma: The amount of gamma-correction.

Rückgabewerte

The gamma corrected Gmagick object.

Fehler/Exceptions

Wirft bei einem Fehler eine GmagickException.

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Gmagick::getcopyright

Gmagick::frameimage

Last updated: Sat, 07 Jan 2012