Vips.Image.invert (original) (raw)
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 (-1in).
For complex images, only the real part is inverted. See also vips_conj().
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.