Method

VipsImagefalsecolour

Declaration [src]

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

Description [src]

Force in to 1 band, 8-bit, then transform to a 3-band 8-bit image with a false colour map. The map is supposed to make small differences in brightness more obvious.

::: seealso vips_maplut().

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.