Vips.Image.LCh2CMC (original) (raw)

Method

VipsImageLCh2CMC

Declaration [src]


int
vips_LCh2CMC (
  VipsImage* in,
  VipsImage** out,
  ...
)

Description [src]

Turn LCh to CMC.

The CMC colourspace is described in “Uniform Colour Space Based on theCMC(l:c) Colour-difference Formula”, M R Luo and B Rigg, Journal of the Society of Dyers and Colourists, vol 102, 1986. Distances in this colourspace approximate, within 10% or so, differences in the CMC(l:c) colour difference formula.

This operation generates CMC(1:1). For CMC(2:1), halve Lucs and double Cucs.

This method is not directly available to language bindings.

Parameters

out

Type: VipsImage

Output 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.

...

Type: ``

NULL-terminated list of optional named arguments.

Return value

Type: int

0 on success, -1 on error.