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 VipsImage
 

Output image.

 The argument will be set by the function.
 The instance takes ownership of the data, and is responsible for freeing it.
...
 

NULL-terminated list of optional named arguments.

Return value

Returns: int
 

0 on success, -1 on error.