TdxAlphaColors.GetBrightness(TdxAlphaColor) Method

Extracts the brightness color component value from the specified color.

Declaration

class function GetBrightness(AColor: TdxAlphaColor): Single; static;

Parameters

Name	Type
AColor	TdxAlphaColor

Returns

Type
Single

Remarks

The GetHue, GetSaturation, and GetBrightness functions are used to convert the TdxAlphaColor value passed as the AColor parameter to the HSB representation of an RGB color model. A value returned by the GetBrightness function is located within the range between 0 and 1 (inclusive), and corresponds to the specified color’s relative brightness (as a percentage).

Note

The specified color’s alpha is not involved in calculating the brightness value.