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...create 'disabled ImageList' at run time?
Autor: FINANCES Ltd
Homepage: http://www.finances-ltd.narod.ru
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Tip Rating (7):  
     


function DisabledImages(AImageList: TCustomImageList): TImageList;
const
  
MaskColor = 5757;
var
  
ImgList: TImageList;
  ABitmap: TBitmap;
  i: Integer;

  function ConvertColor(AColor: TColor): TColor;
  var
    
PixelColor, NewColor: Integer;
  begin
    
PixelColor := ColorToRGB(AColor);
    NewColor   := Round((((PixelColor shr 16) + ((PixelColor shr 8) and $00FF) +
      (PixelColor and $0000FF)) div 3)) div 2 + 96;
    Result     := RGB(NewColor, NewColor, NewColor);
  end;

  procedure ConvertColors(ABitmap: TBitmap);
  var
    
x, y: Integer;
  begin
    for 
x := 0 to ABitmap.Width - 1 do
      for 
y := 0 to ABitmap.Height - 1 do
      begin
        
ABitmap.Canvas.Pixels[x, y] :=
          ConvertColor(ABitmap.Canvas.Pixels[x, y]);
      end;
  end;

begin
  
ABitmap := TBitmap.Create;

  try
    
ImgList := TImageList.Create(nil);
    ImgList.Width := AImageList.Width;
    ImgList.Height := AImageList.Height;
    ImgList.Clear;
    for i := 0 to AImageList.Count - 1 do
    begin
      
ABitmap.Canvas.Brush.Color := MaskColor;
      ABitmap.Canvas.FillRect(rect(0, 0, AImageList.Width, AImageList.Height));
      AImageList.GetBitmap(i, ABitmap);
      ConvertColors(ABitmap);
      ImgList.AddMasked(ABitmap, ConvertColor(MaskColor));
    end;
    Result := ImgList;
  finally
    
ABitmap.Free;
  end;
end;



// Example:
procedure TForm1.FormCreate(Sender: TObject);
begin
  
ToolBar1.DisabledImages := DisabledImages(ImageList1);
end;

 

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