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fix: check nil argument in blitFullFrom method

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Qingping Hou
2012-04-18 19:30:29 +08:00
parent 8cdcca148b
commit 6e72569ce2
1 changed files with 5 additions and 1 deletions
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6
screen.lua
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@@ -100,5 +100,9 @@ function Screen:getCurrentScreenBB()
end
function Screen:restoreFromBB(bb)
fb.bb:blitFullFrom(bb)
if bb then
fb.bb:blitFullFrom(bb)
else
debug("Got nil bb in restoreFromSavedBB!")
end
end