bool IsPyTransformEditable(PyObject * pyobject)
{
if(!IsPyTransform(pyobject)) return false;
PyOCIO_Transform * pyobj = reinterpret_cast<PyOCIO_Transform *> (pyobject);
return (!pyobj->isconst);
}
PyObject * PyOCIO_GroupTransform_push_back(PyObject * self, PyObject * args)
{
OCIO_PYTRY_ENTER()
PyObject* pytransform = 0;
if (!PyArg_ParseTuple(args,"O:push_back",
&pytransform)) return NULL;
GroupTransformRcPtr transform = GetEditableGroupTransform(self);
if(!IsPyTransform(pytransform))
throw Exception("GroupTransform.push_back requires a transform as the first arg.");
transform->push_back(GetConstTransform(pytransform, true));
Py_RETURN_NONE;
OCIO_PYTRY_EXIT(NULL)
}
TransformRcPtr GetEditableTransform(PyObject * pyobject)
{
if(!IsPyTransform(pyobject))
{
throw Exception("PyObject must be an OCIO.Transform.");
}
PyOCIO_Transform * pytransform = reinterpret_cast<PyOCIO_Transform *> (pyobject);
if(!pytransform->isconst && pytransform->cppobj)
{
return *pytransform->cppobj;
}
throw Exception("PyObject must be an editable OCIO.Transform.");
}
ConstTransformRcPtr GetConstTransform(PyObject * pyobject, bool allowCast)
{
if(!IsPyTransform(pyobject))
{
throw Exception("PyObject must be an OCIO.Transform.");
}
PyOCIO_Transform * pytransform = reinterpret_cast<PyOCIO_Transform *> (pyobject);
if(pytransform->isconst && pytransform->constcppobj)
{
return *pytransform->constcppobj;
}
if(allowCast && !pytransform->isconst && pytransform->cppobj)
{
return *pytransform->cppobj;
}
throw Exception("PyObject must be a valid OCIO.Transform.");
}