[vtkusers] How to put Qt widgets on top of a VTK OpenGL scene

[Elvis Dowson]

Hmmm, when I look at the Qt sources, there is a QOpenGLPaintEngine  
class and it already has a drawImage() method defined, so it should  
work with an OpenGL painter also. The behavior should be identical  
with QWIdget and QGLWidget.

void QOpenGLPaintEngine::drawImage(const QRectF &r, const QImage  
&image, const QRectF &sr, Qt::ImageConversionFlags)

Perhaps, I am calling the following incorrectly?

painter->drawImage(QPointF(0.0,0.0), img);

Best regards,

Elvis Dowson


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