Scalabium Software

SMExport advertising
Knowledge for your independence'.
Home Delphi and C++Builder tips


#56: To play with colors

Sometimes in run-time you need play with colors. For example, you have the some color value and you want to make it more dark or light. The next two function were written for it.

function Dark(Col: TColor; Percent: Byte): TColor;
var R, G, B: Byte;
begin
  R := GetRValue(Col);
  G := GetGValue(Col);
  B := GetBValue(Col);
  R := Round(R*Percent/100);
  G := Round(G*Percent/100);
  B := Round(B*Percent/100);
  Result := RGB(R, G, B);
end;

function Light(Col: TColor; Percent: Byte): TColor;
var R, G, B: Byte;
begin
  R := GetRValue(Col);
  G := GetGValue(Col);
  B := GetBValue(Col);
  R := Round(R*Percent/100) + Round(255 - Percent/100*255);
  G := Round(G*Percent/100) + Round(255 - Percent/100*255);
  B := Round(B*Percent/100) + Round(255 - Percent/100*255);
  Result := RGB(R, G, B);
end;


Published: December 30, 1999

See also
 
MAPIMail
DBExport tools
Paradox to MS Access converter
DBISAM Viewer
SMMsg suite
Viewer for MS Outlook Messages
SMImport suite
DBISAM Password Recovery
Mail parser (ActiveX)
Metafile Convert
 
 


Contact to webmaster

 

Borland Software Code Gear Scalabium Delphi tips

Copyright© 1998-2022, Scalabium Software. All rights reserved.
webmaster@scalabium.com

SMReport Autogenerated