Part: expose ChFi2d_ChamferAPI to Python

src/Mod/Part/App/ChFi2d/ChFi2d_ChamferAPIPyImp.cpp

@@ -0,0 +1,156 @@
+/***************************************************************************
+ *   Copyright (c) 2022 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  is distributed in the hope that it will be useful,      *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+# include <gp_Pln.hxx>
+# include <Standard_Failure.hxx>
+# include <TopoDS.hxx>
+# include <TopoDS_Edge.hxx>
+# include <TopoDS_Wire.hxx>
+#endif
+
+#include <Mod/Part/App/ChFi2d/ChFi2d_ChamferAPIPy.h>
+#include <Mod/Part/App/ChFi2d/ChFi2d_ChamferAPIPy.cpp>
+#include <Mod/Part/App/TopoShapeEdgePy.h>
+#include <Mod/Part/App/TopoShapeWirePy.h>
+#include <Mod/Part/App/Geometry.h>
+#include "Tools.h"
+
+using namespace Part;
+
+
+PyObject *ChFi2d_ChamferAPIPy::PyMake(struct _typeobject *, PyObject *, PyObject *)  // Python wrapper
+{
+    // create a new instance of ChFi2d_ChamferAPIPy and the Twin object
+    return new ChFi2d_ChamferAPIPy(new ChFi2d_ChamferAPI);
+}
+
+// constructor method
+int ChFi2d_ChamferAPIPy::PyInit(PyObject* args, PyObject* /*kwd*/)
+{
+    // Note: Although the C++ class has a default constructor it would cause a crash
+    // if the algorithm is not initialized with a wire/edges.
+    // Thus, in the Python API it is disabled.
+    PyObject* wire;
+    if (PyArg_ParseTuple(args, "O!", &TopoShapeWirePy::Type, &wire)) {
+        TopoDS_Shape shape = static_cast<TopoShapeWirePy*>(wire)->getTopoShapePtr()->getShape();
+        getChFi2d_ChamferAPIPtr()->Init(TopoDS::Wire(shape));
+        return 0;
+    }
+
+    PyErr_Clear();
+    PyObject* edge1;
+    PyObject* edge2;
+    if (PyArg_ParseTuple(args, "O!O!", &TopoShapeEdgePy::Type, &edge1,
+                                       &TopoShapeEdgePy::Type, &edge2)) {
+        TopoDS_Shape shape1 = static_cast<TopoShapeEdgePy*>(edge1)->getTopoShapePtr()->getShape();
+        TopoDS_Shape shape2 = static_cast<TopoShapeEdgePy*>(edge2)->getTopoShapePtr()->getShape();
+        getChFi2d_ChamferAPIPtr()->Init(TopoDS::Edge(shape1), TopoDS::Edge(shape2));
+        return 0;
+    }
+
+    PyErr_SetString(PyExc_TypeError, "Wrong arguments:\n"
+                                     "-- ChamferAPI()\n"
+                                     "-- ChamferAPI(wire)"
+                                     "-- ChamferAPI(edge, edge)\n");
+    return -1;
+}
+
+// returns a string which represents the object e.g. when printed in python
+std::string ChFi2d_ChamferAPIPy::representation() const
+{
+    return std::string("<ChamferAPI object>");
+}
+
+PyObject* ChFi2d_ChamferAPIPy::init(PyObject *args)
+{
+    PyObject* wire;
+    if (PyArg_ParseTuple(args, "O!", &TopoShapeWirePy::Type, &wire)) {
+        TopoDS_Shape shape = static_cast<TopoShapeWirePy*>(wire)->getTopoShapePtr()->getShape();
+        getChFi2d_ChamferAPIPtr()->Init(TopoDS::Wire(shape));
+        Py_Return;
+    }
+
+    PyErr_Clear();
+    PyObject* edge1;
+    PyObject* edge2;
+    if (PyArg_ParseTuple(args, "O!O!", &TopoShapeEdgePy::Type, &edge1,
+                                       &TopoShapeEdgePy::Type, &edge2)) {
+        TopoDS_Shape shape1 = static_cast<TopoShapeEdgePy*>(edge1)->getTopoShapePtr()->getShape();
+        TopoDS_Shape shape2 = static_cast<TopoShapeEdgePy*>(edge2)->getTopoShapePtr()->getShape();
+        getChFi2d_ChamferAPIPtr()->Init(TopoDS::Edge(shape1), TopoDS::Edge(shape2));
+        Py_Return;
+    }
+
+    PyErr_SetString(PyExc_TypeError, "Wrong arguments:\n"
+                                     "-- init(wire)"
+                                     "-- init(edge, edge)\n");
+    return nullptr;
+}
+
+PyObject* ChFi2d_ChamferAPIPy::perform(PyObject *args)
+{
+    if (!PyArg_ParseTuple(args, ""))
+        return nullptr;
+
+    try {
+        bool ok = getChFi2d_ChamferAPIPtr()->Perform();
+        return Py::new_reference_to(Py::Boolean(ok));
+    }
+    catch (Standard_Failure& e) {
+        PyErr_SetString(Base::PyExc_FC_CADKernelError, e.GetMessageString());
+        return nullptr;
+    }
+}
+
+PyObject* ChFi2d_ChamferAPIPy::result(PyObject *args)
+{
+    double length1, length2;
+    if (!PyArg_ParseTuple(args, "dd", &length1, &length2))
+        return nullptr;
+
+    try {
+        TopoDS_Edge theEdge1, theEdge2;
+        TopoDS_Shape res_edge = getChFi2d_ChamferAPIPtr()->Result(theEdge1, theEdge2, length1, length2);
+
+        Py::TupleN tuple(Py::asObject(TopoShape(res_edge).getPyObject()),
+                         Py::asObject(TopoShape(theEdge1).getPyObject()),
+                         Py::asObject(TopoShape(theEdge2).getPyObject()));
+        return Py::new_reference_to(tuple);
+    }
+    catch (Standard_Failure& e) {
+        PyErr_SetString(Base::PyExc_FC_CADKernelError, e.GetMessageString());
+        return nullptr;
+    }
+}
+
+PyObject *ChFi2d_ChamferAPIPy::getCustomAttributes(const char* /*attr*/) const
+{
+    return nullptr;
+}
+
+int ChFi2d_ChamferAPIPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
+{
+    return 0;
+}