What is the difference between QRect and QRectF?

[stampede]

What is the difference between QRect and QRectF ?

The QRectF class defines a rectangle in the plane using floating point precision...
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The QRect class defines a rectangle in the plane using integer precision...

The QRectF class defines a rectangle in the plane using floating point precision...
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The QRect class defines a rectangle in the plane using integer precision...

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QRect rect(100.5,100.5,200.2,200.3);

QRect rect(100.5,100.5,200.2,200.3);

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Double values are implicitly converted to integers. You can find detailed info here: Type Conversions