Gmagick::gammaimage
(PECL gmagick >= Unknown)
Gmagick::gammaimage — Gamma-corrects an image
Descrizione
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.
Elenco dei parametri
-
gamma -
The amount of gamma-correction.
Valori restituiti
The gamma corrected Gmagick object.
Errori/Eccezioni
Throws an GmagickException on error.
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