Gmagick::frameimageGmagick::gammaimage
(PECL gmagick >= Unknown)
Gmagick::gammaimage — Gamma-corrects an image
Descrierea
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.
Parametri
-
gamma -
The amount of gamma-correction.
Valorile întoarse
The gamma corrected Gmagick object.
Erori/Excepții
Emite o GmagickException în caz de eroare.
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