[PyQt] Returning a QImage instance from SIP

[Phil Thompson]

On Mon, 16 Aug 2010 11:38:06 +0100, Jeremy Sanders
<jeremy at jeremysanders.net> wrote:
> Hello - is this the correct way to return a QImage from a SIP
MethodCode?
> 
> QImage numpyToQImage(SIP_PYOBJECT, SIP_PYOBJECT, bool forcetrans =
false);
> %MethodCode
>   {
>    try
>      {
>        Numpy2DObj data(a0);
>        Numpy2DIntObj colors(a1);
>        QImage *img = new QImage( numpyToQImage(data, colors, a2) );
>        sipRes = img;
>      }
>    catch( const char *msg )
>      {
>        sipIsErr = 1; PyErr_SetString(PyExc_TypeError, msg);
>      }
>   }
> %End
> 
> numpyToQImage returns a QImage.
> 
> It seems to work, but is there a memory leak? Should I be transferring 
> ownership here?

No - it's correct as it is.

Phil