Function

Vipscol_Ch2ab

Declaration [src] 

void
vips_col_Ch2ab (
  float C,
  float h,
  float* a,
  float* b
)

Description [src]

Calculate ab from Ch, h in degrees.

Parameters

C

Type: float

Chroma.

h

Type: float

Hue angle (degrees).

a

Type: float*

Return CIE a* value.

The data is owned by the caller of the function.
b

Type: float*

Return CIE b* value.

The data is owned by the caller of the function.