Mega Code Archive

 
Categories / Delphi / Graphic
 

How to get the lighter or darker color of a TColor variable

Title: How to get the lighter or darker color of a TColor variable {=======================================} function Min(a, b: Longint): Longint; begin if a b then Result := b else Result := a; end; function Max(a, b: Longint): Longint; begin if a b then Result := a else Result := b; end; {=======================================} function GetHighlightColor(BaseColor: TColor): TColor; begin Result := RGB(Min(GetRValue(ColorToRGB(BaseColor)) 64, 255), Min(GetGValue(ColorToRGB(BaseColor)) 64, 255), Min(GetBValue(ColorToRGB(BaseColor)) 64, 255)); end; function GetShadowColor(BaseColor: TColor): TColor; begin Result := RGB(Max(GetRValue(ColorToRGB(BaseColor)) ?C 64, 0), Max(GetGValue(ColorToRGB(BaseColor)) ?C 64, 0), Max(GetBValue(ColorToRGB(BaseColor)) ?C 64, 0)); end;