From 4fb000f0c8e545d388f8e07a9b0b73fd79169cbc Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 9 Feb 2014 15:28:43 +0100
Subject: [PATCH] + expose zoomIn/zoomOut to Python

---
 src/Gui/View3DPy.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++
 src/Gui/View3DPy.h   |  2 ++
 2 files changed, 46 insertions(+)

diff --git a/src/Gui/View3DPy.cpp b/src/Gui/View3DPy.cpp
index 8a49232af..63899b9aa 100644
--- a/src/Gui/View3DPy.cpp
+++ b/src/Gui/View3DPy.cpp
@@ -83,6 +83,8 @@ void View3DInventorPy::init_type()
     add_varargs_method("viewAxometric",&View3DInventorPy::viewAxometric,"viewAxometric()");
     add_varargs_method("viewRotateLeft",&View3DInventorPy::viewRotateLeft,"viewRotateLeft()");
     add_varargs_method("viewRotateRight",&View3DInventorPy::viewRotateRight,"viewRotateRight()");
+    add_varargs_method("zoomIn",&View3DInventorPy::zoomIn,"zoomIn()");
+    add_varargs_method("zoomOut",&View3DInventorPy::zoomOut,"zoomOut()");
     add_varargs_method("viewPosition",&View3DInventorPy::viewPosition,"viewPosition()");
     add_varargs_method("startAnimating",&View3DInventorPy::startAnimating,"startAnimating()");
     add_varargs_method("stopAnimating",&View3DInventorPy::stopAnimating,"stopAnimating()");
@@ -473,6 +475,48 @@ Py::Object View3DInventorPy::viewRotateRight(const Py::Tuple& args)
     return Py::None();
 }
 
+Py::Object View3DInventorPy::zoomIn(const Py::Tuple& args)
+{
+    if (!PyArg_ParseTuple(args.ptr(), ""))
+        throw Py::Exception();
+
+    try {
+        _view->getViewer()->navigationStyle()->zoomIn();
+    }
+    catch (const Base::Exception& e) {
+        throw Py::Exception(e.what());
+    }
+    catch (const std::exception& e) {
+        throw Py::Exception(e.what());
+    }
+    catch(...) {
+        throw Py::Exception("Unknown C++ exception");
+    }
+
+    return Py::None();
+}
+
+Py::Object View3DInventorPy::zoomOut(const Py::Tuple& args)
+{
+    if (!PyArg_ParseTuple(args.ptr(), ""))
+        throw Py::Exception();
+
+    try {
+        _view->getViewer()->navigationStyle()->zoomOut();
+    }
+    catch (const Base::Exception& e) {
+        throw Py::Exception(e.what());
+    }
+    catch (const std::exception& e) {
+        throw Py::Exception(e.what());
+    }
+    catch(...) {
+        throw Py::Exception("Unknown C++ exception");
+    }
+
+    return Py::None();
+}
+
 Py::Object View3DInventorPy::setCameraOrientation(const Py::Tuple& args)
 {
     PyObject* o;
diff --git a/src/Gui/View3DPy.h b/src/Gui/View3DPy.h
index 932a709d7..7e934163b 100644
--- a/src/Gui/View3DPy.h
+++ b/src/Gui/View3DPy.h
@@ -58,6 +58,8 @@ public:
     Py::Object viewPosition(const Py::Tuple&);
     Py::Object viewRotateLeft(const Py::Tuple&);
     Py::Object viewRotateRight(const Py::Tuple&);
+    Py::Object zoomIn(const Py::Tuple&);
+    Py::Object zoomOut(const Py::Tuple&);
     Py::Object startAnimating(const Py::Tuple&);
     Py::Object stopAnimating(const Py::Tuple&);
     Py::Object setAnimationEnabled(const Py::Tuple&);