Gmagick::gammaimage

(PECL gmagick >= Unknown)

Gmagick::gammaimage — Gamma-corrects an image

Açıklama

public Gmagick::gammaimage ( float $gamma ) : Gmagick

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.

Değiştirgeler

gamma: The amount of gamma-correction.

Dönen Değerler

The gamma corrected Gmagick object.

Hatalar/İstisnalar

Hata durumunda bir GmagickException istisnası oluşur.