static PyObject *
image_clear(PyObject *self, PyObject *args)
{
    PyObject *pyim;

    if(!PyArg_ParseTuple(args,"O",&pyim))
    { 
	return NULL;
    }

    IImage *i = (IImage *)PyCObject_AsVoidPtr(pyim);
    if(NULL == i)
    {
	return NULL;
    }

    i->clear();

    Py_INCREF(Py_None);
    return Py_None;
}