[PyQt] selecting a bezier curve

Christophe BAL projetmbc at gmail.com
Mon Apr 15 06:59:05 BST 2013

Thanks for all !

2013/4/14 <Mathias.Born at gmx.de>

> Hi,
> I'd like to point out that, realistically, the QGraphicsView framework
> is obsolete. Yes, it may still be around a while.
> But: The new OpenGL based QtQuick 2.0 graphics stack is way better.
> I'm in the process of porting a C++ application from QGraphicsView
> to QtQuick 2.0, which used a lot of custom QGraphicsItems which are
> now QQuickItems. The performance increase is unbelieveable. And it's
> more powerful and has more features, too!
> I was very sceptical at first, as this make me dependent on hardware
> accelerated OpenGL now. But in the year 2013 this is really no problem.
> Of course, right now QtQuick 2.0 is out of reach for PyQt users.
> But that will change. And the new model fits the Python approach
> much better. In QGraphicsView, Python code is run every time a frame
> is drawn. In QtQuick, your Python code generates a description of the
> scene once, which is then drawn by the 3D-chip exclusively. Very fast.
> Best Regards,
> Mathias Born
> On 14.04.2013, 02:15:16 Tom Brown wrote:
> > I've created a simple application (see below) that draws a bezier
> > curve. I want to give the user the ability to select the curve so
> > they can move it around. However, I'm having trouble selecting the
> > curve in an intuitive fashion. When I click on the curve, the point
> > I click on is actually far away from the curve.
> > ...
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