[XaraXtreme-dev] Re: wxCamDraw painting errors in Align Dialog, was wxCamDrawControl creation error in align dialog & broken build

[Mark Loumbert <mark@xxxxxxxxxxxxxxx>]

Hi, Alex,

Alex Bligh wrote:

> Mark,
>
> > Now the dialog appears without an error, but the rendered ellipses are
> > very tiny and are rendered in approximately 1/5th of the normal size in
> > the top left corner of the dialog.
>
>
> This is /your/ dialog I take it. Difficult to debug without the code!


Nope - the Align dialog shows that way ! Look the attached image.

> Do the DialogDraw demo, the align dialog, and the galleries work
> on your copy? DialogDraw and the align dialog use GRenderRegion,
> and the galleries use OSRenderRegion to draw the wxCamDrawControl.
> With such extensive use I doubt it is /fundamentally/ broken. I
> could well have broken something though I suppose.


Ok, I'll test DialogDraw and let you know, galleries seem to render ok.

> > If I close the dialog, the program
>
> > crashes with a segmentation fault in the DialogManager::Close 
> > function here:
> >
> > *if* (pDlgOp->pEvtHandler->wxAUImanaged)
> >
> > with the application message: 'GDK_IS_WINDOW(window)' failed. The gcc
> > version I'm using is 3.4.4. If you want other information or a
> > screenshots - just tell me, I will send it to you. Gerry BTW is right -
> > I'm building it with x86_64 on AMD Athlon 64.
>
>
> That normally indicates you have tried to double destroy the dialog.
> When you say "if I close the dialog" what are you doing to close it?


If I close the Align Dialog hitting the close button - it crashed, but 
this seems to go away it the latest build.

> Hitting the close button? The correct course of events should be
> that the close button gets intercepted, and sends a DIM_CANCEL
> (through dlgmgr), which in turn causes your dialog do do End().
> This should cause the DialogOp do be deleted, and its destructor
> calls DialogManager::Close and DialogManager::Delete. It sounds
> to me as if that isn't happening.
>
> Does the problem go away if you (temporarily) remove the wxCamArtControl
> from the XRC, or is this an unrelated problem?
>
> Alex

I think this is complete unrelated one.