How to draw smooth ellipse (circle) in Qt?
<p>I need to create QGraphicsItem for circle and I'm getting the output as the one which I attached along with my question. How do I draw smooth circle with good quality ? <a href="https://i.stack.imgur.com/FJxub.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/FJxub.png" alt="enter image description here"></a> Above is my code and <a href="https://i.stack.imgur.com/alJCL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/alJCL.png" alt="enter image description here"></a> and above is my output. Please help me regarding this. I've tried Antialiasing and SmoothPixMapTransform of the QGraphicsView using QPainter property. But, still the result is same.</p>