[vtkusers] Re: Using QTPainter with QVTKWidget

[Anja Ende]

Looks like I must construct my own paint engine. The QVTKWidget
implementation is:

QPaintEngine* QVTKWidget::paintEngine() const
{
  return NULL;
}

Does anyone know how this could be created efficiently?

Cheers,
Anja

On 16/10/06, Anja Ende <anja.ende at googlemail.com> wrote:
>
> Hi everyone,
>
> Has anyone been able to successfully use QPainter methods in QVTKWidget.
>
> So, I have derived a class from QVTKWidget and override the paintEvent
> method as follows:
>
> void QTVTKWidget::paintEvent( QPaintEvent * event)
> {
>             QVTKWidget::paintEvent(event);
>             QPainter painter(this);
>             ....
> }
>
> This however,  returns a run time error as in it could not create the
> painter object. The error is:
>
> Painter::begin(), paintdevice returned engine == 0, type: 1
>
> Just wondering if someone has been able to use this successfully.
>
>
> Cheers,
>
> Anja




-- 
Cheers,

Anja
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