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make-gray

Function
Summary

Returns a color specification in the gray model.

Package

color

Signature

make-gray level => color-spec

Arguments

level

A color component used to define the gray level required.

Values

color-spec

A color specification.

Description

Return a color-spec in the :GRAY model with component level .

Note that short-floats are used for the component; this results in the most efficient color conversion process. However, any floating point number type can be used.

Example
COLOR 25 > (color:make-gray 0.66667s0)
#(:GRAY 0.66667S0)
COLOR 26 >
See also
make-hsv
make-rgb
color-model
color-<component>
color-level

LispWorks Reference Manual (Windows version) - 14 Dec 2001

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