Method
VipsImagegamma
Declaration [src]
int
vips_gamma (
VipsImage* in,
VipsImage** out,
...
)
Description [src]
Optional arguments:
exponent: gamma, default 1.0 / 2.4
Calculate in ** (1 / exponent), normalising to the maximum range of the
input type. For float types use 1.0 as the maximum.
See also: vips_identity(), vips_pow_const1(), vips_maplut().
This method is not directly available to language bindings.
Parameters
out-
Type:
VipsImageOutput image.
The argument will be set by the function. The caller of the method takes ownership of the returned data, and is responsible for freeing it. ...-
Type:
NULL-terminated list of optional named arguments.