Method

VipsImageextract_band

Declaration [src]

int
vips_extract_band (
  VipsImage* in,
  VipsImage** out,
  int band,
  ...
)

Description [src]

Extract a band or bands from an image. Extracting out of range is an error.

n defaults to 1.

::: tip “Optional arguments” * n: gint, number of bands to extract

::: seealso vips_extract_area().

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.
band int
 

Index of first band to extract.

... none
 

NULL-terminated list of optional named arguments.

Return value

Returns: int
 

0 on success, -1 on error.