Thumbnail resizing : folder.jpg VS .tbn file

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Hi!

I'm trying to organize my movies so they can easily be browsed in "share" view. I tried to approaches.

In the first, I put each movie in a folder and use a folder.jpg to get the cover art :

\Movies\Ice Age\folder.jpg
\Movies\Ice Age\Ice Age.avi
\Movies\Casino Royale\folder.jpg
\Movies\Casino Royale\Casino Royale.avi

In the second approach, I put all my movies in the same folder. For each movie, I have a .tbn file :

\Movies\Ice Age.avi
\Movies\Ice Age.tbn
\Movies\Casino Royale.avi
\Movies\Casino Royale.tbn

In both cases, the thumbnails gets resized differently. When I use a folder.jpg, the covers are resized properly and the complete cover art is visible in the thumbnail. When I use a .tbn file, the cover is resized AND cropped so I lose about 1/3 of the cover. I seems the .tbn resize procedure uses the shortest dimension (x or y) in order to compute the scale ratio. Please see attached screenshot.

Why is that ? Shouldnt thumbnails gets resized the same way ???

Mat

EDIT : This only happens in Filmstrip and List view. The small and big icon views are OK.

EDIT #2 : I dug in the code. In GUIFilmstripControl.cs, you can see that the thumbnail will be cropped if it is NOT a folder. So the problem is not related to the thumbnail format, but that fact that it is a folder or not. Why is that ?

  502           pImage = new GUIImage(0, 0, ...);
  503           pImage.ParentControl = this;
  504           pImage.KeepAspectRatio = true;
  505           pImage.ZoomFromTop = !pItem.IsFolder;
  506           pImage.FlipX = _flipX;
  507           pImage.FlipY = _flipY;
  508           pImage.DiffuseFileName = _diffuseFileName;
  509           pImage.SetAnimations(ThumbAnimations);
  510           pImage.AllocResources();