URL:
<http://gna.org/bugs/?20497>
Summary: Crash for tall background images
Project: Battle for Wesnoth
Submitted by: jamit
Submitted on: Sun 10 Feb 2013 09:20:08 PM EST
Category: Bug
Severity: 4 - Important
Priority: 5 - Normal
Item Group: Graphics
Status: None
Privacy: Public
Assigned to: lipk
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 1.11.1+svn (r56298)
Operating System: Linux
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Details:
Due to the change that allows multiple background images for a [story][part],
an unscaled background that is taller than the screen (or wider, most likely)
will cause the game to crash with an assertion failure. This can be readily
demonstrated by running Wesnoth (in a window, presumably) with a height less
than 600 and trying to start "Descent into Darkness". While this is an extreme
case, it really should not cause a crash.
I traced the cause to storyscreen/render.cpp around line 155. Line 155 is a
call to blit_surface(), and the fourth parameter to this call is drect. In the
situation that causes this crash, drect.y is negative, and that leads to the
assertion failure.
While I see why the crash occurs, I do not see enough of the intended behavior
to guess at what the fix is. So here's where I turn it over to someone else.
_______________________________________________________
Reply to this item at:
<http://gna.org/bugs/?20497>
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