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TdxAlphaColors.GetBrightness(TdxAlphaColor) Method

Extracts the brightness color component value from the specified color.

#Declaration

Delphi
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.

See Also