Link to home
Start Free TrialLog in
Avatar of dkeene
dkeene

asked on

Loading Bitmap into ImageList

Hi, All
I have saved a ImageList using the ImageEditor to a bitmap file. They are nice small bitmaps on a clFuchsia background. When I try to load them into an ImageList, I can't seem to specifiy the width/height, and the ImageList doesn't seem to figure it out correctly. The bitmap is 9 images by 9 images.
When I load them, the first nine are perfect, but the rest are blank. This is in a component that I am building. Also, no matter how I change the button size, they stay the same!

     fImageList:=TImageList.Create(Self);
     ABitmap:=TBitmap.Create;
     ABitmap.LoadFromFile('c:\PMan\dkcomponents\ToolBitmaps.bmp');
     fImageList.AddMasked(ABitmap, clFuchsia);
     ABitmap.Free;

     for MyCount := 0 to 10 - 1 do begin
        MyButton:=TToolButton.Create(Self);
        with MyButton do begin
           MyButton.Parent:=TWinControl(fToolBar);
           MyButton.Width:=150;
           MyButton.ImageIndex:=MyCount;
           MyButton.Visible:=True;
        end;
     end;

Any Thoughts?
Thanks
ASKER CERTIFIED SOLUTION
Avatar of Russell Libby
Russell Libby
Flag of United States of America image

Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial
rllibby is right, BTW i usually use a faster method to save an imagelist and then load it.

Let's say that you have a simple application with a form, a tbutton and your TImageList called MyImageList with every needed glyph stored in it.

Well, just save you timagelist component as follows:

procedure TForm1.Button1Click(Sender: TObject);
begin
WriteComponentResFile('c:\PMan\dkcomponents\ToolBitmaps.bin',MyImageList);
end;
(You have to do this just one time as you've done for your bitmap)
Well, now that you've saved yor imagelist you can once load it in your component as follows:

FImageList:=TImageList.Create(Self);
try
   ReadComponentResFile('c:\PMan\dkcomponents\ToolBitmaps.bin', FImageList);
except
  MessageDlg('Warning! Images bin file may be corrupted or do not exists!',mtWarning,[mbOK],0);
end;
for MyCount := 0 to FImageList.count - 1 do begin
        MyButton:=TToolButton.Create(Self);
        with MyButton do begin
           MyButton.Parent:=TWinControl(fToolBar);
           MyButton.Width:=150;
           MyButton.ImageIndex:=MyCount;
           MyButton.Visible:=True;
        end;
     end;

That's all. Bin file is smallest than the bitmap, fast loadable and protected (nobody could use it as a bitmap).

Hope this help.

F68 ;-)