Constructor
VipsImagezone
Declaration [src]
int
vips_zone (
VipsImage** out,
int width,
int height,
...
)
Description [src]
Optional arguments:
uchar: output a uchar image
Create a one-band image of a zone plate.
Pixels are normally in [-1, +1], set uchar to output [0, 255].
See also: vips_eye(), vips_xyz().
This constructor is not directly available to language bindings.
Parameters
out-
Type:
VipsImageOutput image.
The argument will be set by the function. The caller of the function takes ownership of the returned data, and is responsible for freeing it. width-
Type:
intImage size.
height-
Type:
intImage size.
...-
Type:
NULL-terminated list of optional named arguments.