Function

Summary

Returns the associated component of a color specification.

Package

color

Signature

color-red color-spec
 => color-component

color-green color-spec
 => color-component

color-blue color-spec
 => color-component

color-hue color-spec
 => color-component

color-saturation color-spec
 => color-component

color-value color-spec
 => color-component

Arguments

color-spec

A color specification.

Values

color-component

A color component from the appropriate color model.

Description

If color-spec is not from the appropriate color model ( :rgb in the case of color-red , color-green and color-blue , and :hsv in the case of color-hue , color-saturation and color-value ) then the component is calculated.

Example

COLOR 31 > (color:make-rgb 1.0s0 0.0s0 0.0s0)

#(:RGB 1.0S0 0.0S0 0.0S0)

COLOR 32 > (color-red *)

1.0S0

COLOR 33 > (color-green **)

0.0S0

COLOR 34 > (color-value ***)

1.0S0

COLOR 35 >

See also

make-hsv

make-rgb

make-gray

color-model

color-level