static PyObject *Py_BinaryErosion(PyObject *obj, PyObject *args)
{
PyArrayObject *input = NULL, *output = NULL, *strct = NULL;
PyArrayObject *mask = NULL;
PyObject *cobj = NULL;
int border_value, invert, center_is_true;
int changed = 0, return_coordinates;
NI_CoordinateList *coordinate_list = NULL;
PyArray_Dims origin;
if (!PyArg_ParseTuple(args, "O&O&O&O&iO&iii",
NI_ObjectToInputArray, &input,
NI_ObjectToInputArray, &strct,
NI_ObjectToOptionalInputArray, &mask,
NI_ObjectToOutputArray, &output,
&border_value,
PyArray_IntpConverter, &origin,
&invert, ¢er_is_true, &return_coordinates)) {
goto exit;
}
if (!_validate_origin(input, origin)) {
goto exit;
}
if (!NI_BinaryErosion(input, strct, mask, output, border_value,
origin.ptr, invert, center_is_true, &changed,
return_coordinates ? &coordinate_list : NULL)) {
goto exit;
}
if (return_coordinates) {
cobj = NpyCapsule_FromVoidPtr(coordinate_list, _FreeCoordinateList);
}
#ifdef HAVE_WRITEBACKIFCOPY
PyArray_ResolveWritebackIfCopy(output);
#endif
exit:
Py_XDECREF(input);
Py_XDECREF(strct);
Py_XDECREF(mask);
Py_XDECREF(output);
PyDimMem_FREE(origin.ptr);
if (PyErr_Occurred()) {
Py_XDECREF(cobj);
return NULL;
} else {
if (return_coordinates) {
return Py_BuildValue("iN", changed, cobj);
} else {
return Py_BuildValue("i", changed);
}
}
}
static PyObject *Py_BinaryErosion(PyObject *obj, PyObject *args)
{
PyArrayObject *input = NULL, *output = NULL, *strct = NULL;
PyArrayObject *mask = NULL;
PyObject *cobj = NULL;
int border_value, invert, center_is_true;
int changed = 0, return_coordinates;
NI_CoordinateList *coordinate_list = NULL;
npy_intp *origins = NULL;
if (!PyArg_ParseTuple(args, "O&O&O&O&iO&iii",
NI_ObjectToInputArray, &input,
NI_ObjectToInputArray, &strct,
NI_ObjectToOptionalInputArray, &mask,
NI_ObjectToOutputArray, &output,
&border_value,
NI_ObjectToLongSequence, &origins,
&invert, ¢er_is_true, &return_coordinates))
goto exit;
if (!NI_BinaryErosion(input, strct, mask, output, border_value,
origins, invert, center_is_true, &changed,
return_coordinates ? &coordinate_list : NULL))
goto exit;
if (return_coordinates) {
cobj = NpyCapsule_FromVoidPtr(coordinate_list, _FreeCoordinateList);
}
exit:
Py_XDECREF(input);
Py_XDECREF(strct);
Py_XDECREF(mask);
Py_XDECREF(output);
if (origins)
free(origins);
if (PyErr_Occurred()) {
Py_XDECREF(cobj);
return NULL;
} else {
if (return_coordinates) {
return Py_BuildValue("iN", changed, cobj);
} else {
return Py_BuildValue("i", changed);
}
}
}
