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().

::: seealso vips_linear().

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
 

NULL-terminated list of optional named arguments.

Return value

Returns: int
 

0 on success, -1 on error.