Method Image.Image()->gamma()
- Method gamma
object gamma(float g)
object gamma(float gred, object floatggreen, object floatgblue)- Description
-
Calculate pixels in image by gamma curve.
Intensity of new pixels are calculated by:
i' = i^gFor example, you are viewing your image on a screen with gamma 2.2. To correct your image to the correct gamma value, do something like:
my_display_image(my_image()->gamma(1/2.2);
- Parameter g
- Parameter gred
- Parameter ggreen
- Parameter gblue
-
gamma value
- Returns
-
a new image object
- See also