[Mono-bugs] [Bug 411454] Iterating through a multilayer tif throws exception

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https://bugzilla.novell.com/show_bug.cgi?id=411454

User spouliot at novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=411454#c3


Sebastien Pouliot <spouliot at novell.com> changed:

           What    |Removed                                         |Added
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             Status|NEW                                             |NEEDINFO
      Info Provider|                                                |rhowell at novell.com




--- Comment #3 from Sebastien Pouliot <spouliot at novell.com>  2008-08-04 14:43:23 MDT ---
Rusty, I could not duplicate your exception(*) but I completely lost my desktop
(I had to reset) after the selection of the 7th frame (clone).

Now I'm not sure I understand the code. The second loop is doing a clone on the
whole bitmap for each frame. That's a lot of memory (and it could be what
killed me earlier).

If I move the Clone outside the loop then I get:

Original bitmap

Frame count: 15
   selecting frame 1 of 15
   selecting frame 2 of 15
   selecting frame 3 of 15
   selecting frame 4 of 15
   selecting frame 5 of 15
   selecting frame 6 of 15
   selecting frame 7 of 15
   selecting frame 8 of 15
   selecting frame 9 of 15
   selecting frame 10 of 15
   selecting frame 11 of 15
   selecting frame 12 of 15
   selecting frame 13 of 15
   selecting frame 14 of 15
   selecting frame 15 of 15

Cloning bitmap

   selecting frame 1 of 15
   selecting frame 2 of 15
   selecting frame 3 of 15
   selecting frame 4 of 15
   selecting frame 5 of 15
   selecting frame 6 of 15
   selecting frame 7 of 15
   selecting frame 8 of 15
   selecting frame 9 of 15
   selecting frame 10 of 15
   selecting frame 11 of 15
   selecting frame 12 of 15
   selecting frame 13 of 15
   selecting frame 14 of 15
   selecting frame 15 of 15

which is (what I suppose) the normal behavior you expected.


(*) could you recompile with -debug and attach the exception (with line
numbers).


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