PgGrayValue

Gamma/Photon: Using Gamma™ with the Photon microGUIŽ, Version 4.0
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# `PgGrayValue`

`PgGrayValue` -- converts a color to a gray-scale equivalent.

## Syntax

    PgGrayValue (color)

## Arguments

`color`

  A 24-bit color in hexadecimal format in the range 0x000000 - 0xffffff.

## Returns

An 8-bit (0x00 - 0xff hex) gray-scale representation of the `color`.

## Description

This function converts a 24-bit color to an 8-bit gray-scale equivalent.

## Example

        Gamma> PgGrayValue (0xffffff);
        0xff
        Gamma> PgGrayValue (0x808080);
        0x80
        Gamma> PgGrayValue (PgRGB(255,0,0));
        0x4c

## See Also

PgGray

and in Photon documentation: PgGrayValue.

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