Method
VipsImageextract_band
Declaration [src]
int
vips_extract_band (
VipsImage* in,
VipsImage** out,
int band,
...
)
Description [src]
Optional arguments:
n: number of bands to extract
Extract a band or bands from an image. Extracting out of range is an error.
n defaults to 1.
See also: vips_extract_area().
This method is not directly available to language bindings.
Parameters
out-
Type:
VipsImageOutput 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. band-
Type:
intIndex of first band to extract.
...-
Type:
NULL-terminated list of optional named arguments.