static PyObject *
pycmap_set_solid(PyObject *self, PyObject *args)
{
    PyObject *pycmap;
    int which,r,g,b,a;
    ColorMap *cmap;

    if(!PyArg_ParseTuple(args,"Oiiiii",&pycmap,&which,&r,&g,&b,&a))
    {
	return NULL;
    }

    cmap = (ColorMap *)PyCObject_AsVoidPtr(pycmap);
    if(!cmap)
    {
	return NULL;
    }

    cmap->set_solid(which,r,g,b,a);

    Py_INCREF(Py_None);
    return Py_None;
}