Method
VipsImagegamma
Declaration [src]
int
vips_gamma (
VipsImage* in,
VipsImage** out,
...
)
Description [src]
Calculate in ** (1 / exponent), normalising to the maximum range of the
input type. For float types use 1.0 as the maximum.
::: tip “Optional arguments”
* exponent: gdouble, gamma, default 1.0 / 2.4
::: seealso
vips_identity(), vips_pow_const1(), vips_maplut()
Parameters
out |
VipsImage |
Output image. |
|
| The argument will be set by the function. | |
| The instance takes ownership of the data, and is responsible for freeing it. | |
... |
none |
|