val Gg.Color.a : Gg.color -> float

a c is the alpha component of c.

val Gg.Color.b : Gg.color -> float

b c is the blue component of c.

val Gg.Color.g : Gg.color -> float

g c is the green component of c.

val Gg.Color.r : Gg.color -> float

r c is the red component of c.

val Gg.Color.to_luv : Gg.color -> luv

to_luv c is the Gg color c as a L*u*v* color.

val Vg.I.const : Gg.color -> Vg.image

const c is an image of color c.

val Gg.Color.to_lab : Gg.color -> Gg.v4

to_lab c is the Gg color c as a L*a*b* color.

val Gg.Color.to_srgb : Gg.color -> srgb

to_srgb c is the Gg color c as a sRGB color.

val Gg.Color.clamp : Gg.color -> Gg.color

clamp c is c with all components clamped to [0;1]. nan components are left untouched.

val Gg.Color.to_lch_ab : Gg.color -> lch_ab

to_lch_ab c is the Gg color c as a L*C*hab.

val Gg.Color.to_lch_uv : Gg.color -> lch_uv

to_lch_uv c is the Gg color c as a L*C*huv.

val Gg.Color.with_a : Gg.color -> float -> Gg.color

with_a c a is the same color as c but with the alpha component a.

val Gg.Color.blend : Gg.color -> Gg.color -> Gg.color

blend src dst is src blended over dst using source over destination alpha blending. See Alvy Ray Smith. Image compositing fundamentals. 1995.

val Gg.Color.to_srgbi : Gg.color -> (int * int * int * float)

to_srgbi c is the Gg color c as a 24-bit sRGB color (r, g, b, a), see v_srgbi.

val Curve_sampling.to_latex : _ t -> ?n:int -> ?arrow:string -> ?arrow_pos:float -> ?color:Gg.color -> string -> unit

to_latex t fname saves the sampling t as PGF/TikZ commands.

val Curve_sampling.to_latex_channel : _ t -> ?n:int -> ?arrow:string -> ?arrow_pos:float -> ?color:Gg.color -> out_channel -> unit

to_latex_channel t ch writes the sampling t as PGF/TikZ commands to the channel ch. See to_latex for the meaning of optional arguments.