Method

VipsImageinvert

Declaration [src]

int
vips_invert (
  VipsImage* in,
  VipsImage** out,
  ...
)

Description [src]

For unsigned formats, this operation calculates (max - in), eg. (255 - in) for uchar. For signed and float formats, this operation calculates (-1 in).

For complex images, only the real part is inverted. See also vips_conj().

See also

vips_linear().

This method is not directly available to language bindings.

Parameters

out

Type: VipsImage

Output 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.

Return value

Type: int

0 on success, -1 on error.