Method

VipsImagescRGB2BW

Declaration [src]

int
vips_scRGB2BW (
  VipsImage* in,
  VipsImage** out,
  ...
)

Description [src]

Convert an scRGB image to greyscale. Set depth to 16 to get 16-bit output.

::: tip “Optional arguments” * depth: gint, depth of output image in bits

::: seealso vips_LabS2LabQ(), vips_sRGB2scRGB(), vips_rad2float().

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.