RE: [XaraXtreme-dev] Bugs + segmentation fault

["Neil Howe" <NeilH@xxxxxxxx>]

Thanks for reporting this Domagoj. I've logged it in bugzilla.xara.com.

Neil

> -----Original Message-----
> From: owner-dev@xxxxxxxxxxxxxxxx [mailto:owner-dev@xxxxxxxxxxxxxxxx]
On
> Behalf Of Domagoj Pensa
> Sent: 20 April 2006 14:57
> To: dev@xxxxxxxxxxxxxx
> Subject: [XaraXtreme-dev] Bugs + segmentation fault
> 
> Hi!
> 
> I've found out few bugs in rev 848. They are all related (I think so)
> and present in older revisions.
> 
> 1. If try to blend contoured object with any other object, nothing is
> done, except that line is drawn between 2 objects.
> 
> 2. If you then try to rotate, resize such "blended" group, redrawing
is
> done only in original object bounding box.
> 
> 3. Rotating is not smooth. In certain positions objects reset to their
> original position or they don't rotate properly.
> 
> 4. And if you do above operations many times (in no specific order) it
> crashes with segmentation fault. This is pretty hard to reproduce.
I've
> succeded only 3 times. This is what XaraLX and gdb report:
> 
> -----------------------
> [Debug] 02:28:58 PM: PORTNOTE[dialog]:
> SliceHelper::ModifySelectionToContainWholeButtonElements - do nothing
> [Debug] 02:28:58 PM: PORTNOTE[other]:
> NodeContourController::EndBlendStep - do nothing
> [Debug] 02:28:58 PM: PORTNOTE[other]:
> NodeContourController::RegenerateNode - removed use of
> RegenerateContourAction
> [Debug] 02:28:58 PM: PORTNOTE[other]:
> NodeContourController::EndBlendStep - do nothing
> [Debug] 02:28:58 PM: PORTNOTE[other]:
> NodeContourController::EndBlendStep - do nothing
> [Debug] 02:28:59 PM: PORTNOTE[dialog]:
> SliceHelper::ModifySelectionToContainWholeButtonElements - do nothing
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1226041120 (LWP 17395)]
> 0x080d9f8c in Node::FindParent (this=0x1) at node.h:1126
> 1126    node.h: No such file or directory.
>          in node.h
> -----------------------
> 
> Stack backtrace (from 0 to 16):
> 
> -----------------------
> #0  0x080d9f8c in Node::FindParent (this=0x1) at node.h:1126
> #1  0x0826f861 in Node::IsUnder (this=0x1, pTestNode=0x980e7e8,
> bFirstCall=0) at node.cpp:2076
> #2  0x0826f9c8 in Node::IsUnder (this=0xa3b15f0, pTestNode=0x980e7e8,
> bFirstCall=1) at node.cpp:2135
> #3  0x083e1b31 in RenderRegion::SetBackmostChangedNode
(this=0xa3b15f0,
> pInvalidNode=0xa3b15f0) at rndrgn.cpp:7177
> #4  0x083ed9c3 in RenderRegionList::MergeRenderRegions
(this=0x89eb8c0,
> pRegionToMerge=0xa3b15f0) at rgnlist.cpp:615
> #5  0x083ee467 in RenderRegionList::Merge (this=0x89eb8c0,
> NewRenderRegion=0xa3b15f0) at rgnlist.cpp:366
> #6  0x08125240 in Application::AddRenderRegion (this=0x89eb8a0,
> pRegion=0xa3b15f0) at app.cpp:972
> #7  0x083ce089 in View::MakeNewRenderRegion (this=0x9814350,
> pSpread=0x980e7e8, ClipRect=@0xbf9bfa10, pDevContext=0x0,
>      rType=RENDERTYPE_SCREEN, PaintPaper=0, pInvalidNode=0x980e7e8) at
> view.cpp:603
> #8  0x081b239a in DocView::ForceRedraw (this=0x9814350,
> pSpread=0x980e7e8, SpreadRect=@0xbf9bfa50, Accumulate=0,
>      pInvalidNode=0x980e7e8) at docview.cpp:2750
> #9  0x081b23ff in SpreadRedraws::FlushRedraw (this=0xa3b4180,
> pDocView=0x9814350) at docview.cpp:521
> #10 0x081b243e in PendingRedraws::FlushRedraw (this=0x981446c,
> pDocView=0x9814350) at docview.cpp:627
> #11 0x081b24a6 in DocView::FlushRedraw (this=0x9814350) at
> docview.cpp:2771
> #12 0x083aa32d in TransOperation::DragFinished (this=0xa3b9010,
> PointerPos=
>          {<Coord> = {x = 932601, y = 1069059}, <No data fields>},
> ClickMods=@0xbf9bfb90, pSpread=0x980e7e8, Success=1,
>      bSolidDrag=1) at transop.cpp:1236
> #13 0x081b2e21 in DocView::DragFinished (this=0x9814350,
> pDragOp=0xa3b9010, PointerPos=
>          {<Coord> = {x = 369351, y = 6399}, <No data fields>},
> Mods=@0xbf9bfcf0, Success=1) at docview.cpp:3234
> #14 0x080736c0 in CCamView::HandleButtonUp (this=0x9811ac8, Button=1,
> event=@0xbf9bfeec) at camview.cpp:3383
> #15 0x080740bb in CCamView::OnLButtonUp (this=0x9811ac8,
> event=@0xbf9bfeec) at camview.cpp:2021
> #16 0x080c6357 in CRenderWnd::OnLButtonUp (this=0x9812030,
> evnt=@0xbf9bfeec) at rendwnd.cpp:333
> ...
> -----------------------
> 
> Something is pretty wrong when rendering combinations contour +
blending.
> 
> Regards,
> Domagoj