[vtkusers] Crash in vtkShaderProgram/vtkOpenGLPolyDataMapper

[Sebastien Jourdain]

Did you try to guard your mouse call by the following method from vtkPanel?


  public boolean isWindowSet() {
    return (this.windowset == 1);
  }

On Mon, Apr 25, 2016 at 3:12 PM, dei <david.ei at novodynamics.com> wrote:

> After fixing several other things, I've solved all the crash issues except
> one. There appears to be a short (< 1 second) lag between the time my
> parent
> JPanel become visible and the time its child vtkPanel is ready to accept
> mouse events (and consequent calls to Render()). I'm trying to suppress
> mouse events until the vtkPanel is ready but I have not been able to find a
> way to reliably detect that the vtkPanel is done initializing.
>
> The crash occurs in
> vtkWin32OpenGLRenderWindow::SetupPixelFormatPaletteAndContext() with the
> error: "failed to get valid pixel format." *How do I tell if
> vtkWin32OpenGLRenderWindow is completely initialized?* I'd hate to have use
> a delay timer kludge.
>
> BTW, all my java accesses to the vtk are on the AWT-EventQueue-0 (the GUI
> thread).
>
>
>
> --
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