: Gg.colorval Gg.Color.red : Gg.color
red is (v 1. 0. 0. 1.)
val Gg.Color.blue : Gg.color
blue is (v 0. 0. 1. 1.)
val Gg.Color.void : Gg.color
void is (v 0. 0. 0. 0.) an invisible color.
val Gg.Color.black : Gg.color
black is (v 0. 0. 0. 1.)
val Gg.Color.green : Gg.color
green is (v 0. 1. 0. 1.)
val Gg.Color.white : Gg.color
white is (v 1. 1. 1. 1.)
val Gg.Color.of_luv : luv -> Gg.color
of_luv c is the L*u*v* color c as a Gg color.
val Gg.Color.of_lab : Gg.v4 -> Gg.color
of_lab c is the L*a*b* color c as a Gg color value.
val Gg.Color.of_srgb : srgb -> Gg.color
of_srgb c is the sRGB color c as a Gg 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.of_lch_ab : lch_ab -> Gg.color
of_lch_ab c is the L*C*hab color c as a Gg color.
val Gg.Color.of_lch_uv : lch_uv -> Gg.color
of_lch_uv c is the L*C*huv color c as a Gg color.
val Gg.Color.gray : ?a:float -> float -> Gg.color
gray a g is the sRGB color (g, g, g, a) converted to color a value.
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.v : float -> float -> float -> float -> Gg.color
v r g b a is the linear sRGB color (r, g, b, a) as a color value.
val Gg.Color.v_srgbi : ?a:float -> int -> int -> int -> Gg.color
v_srgbi r g b ~a is the 24-bit sRGB color (r, g, b, a) converted to a Gg color value by (v_srgb (float r /. 255.)
(float g /. 255.) (float b /. 255.) ~a)
val Gg.Color.v_srgb : ?a:float -> float -> float -> float -> Gg.color
v r g b ~a is the sRGB color (r, g, b, a) converted to a Gg color value.