Gui: [skip ci] add method to get bounding boxes of the fixed and mova…

…ble groups of manual alignment

src/Gui/ManualAlignment.cpp

@@ -244,6 +244,21 @@ int AlignmentGroup::count() const
     return this->_views.size();
 }
 
+Base::BoundBox3d AlignmentGroup::getBoundingBox() const
+{
+    Base::BoundBox3d box;
+    std::vector<Gui::ViewProviderDocumentObject*>::const_iterator it;
+    for (it = this->_views.begin(); it != this->_views.end(); ++it) {
+        if ((*it)->isDerivedFrom(Gui::ViewProviderGeometryObject::getClassTypeId())) {
+            App::GeoFeature* geo = static_cast<App::GeoFeature*>((*it)->getObject());
+            const App::PropertyComplexGeoData* prop = geo->getPropertyOfGeometry();
+            if (prop)
+                box.Add(prop->getBoundingBox());
+        }
+    }
+    return box;
+}
+
 // ------------------------------------------------------------------
 
 MovableGroup::MovableGroup()
@@ -334,6 +349,16 @@ const MovableGroup& MovableGroupModel::getGroup(int i) const
     return this->_groups[i];
 }
 
+Base::BoundBox3d MovableGroupModel::getBoundingBox() const
+{
+    Base::BoundBox3d box;
+    std::vector<MovableGroup>::const_iterator it;
+    for (it = this->_groups.begin(); it != this->_groups.end(); ++it) {
+        box.Add(it->getBoundingBox());
+    }
+    return box;
+}
+
 // ------------------------------------------------------------------
 
 namespace Gui {

src/Gui/ManualAlignment.h

@@ -25,6 +25,7 @@
 #define GUI_MANUALALIGNMENT_H
 
 #include <QPointer>
+#include <Base/BoundBox.h>
 #include <Base/Placement.h>
 #include <Base/Vector3D.h>
 #include <Gui/Application.h>
@@ -123,6 +124,10 @@ class GuiExport AlignmentGroup
      * Return the number of added views.
      */
     int count() const;
+    /**
+     * Get the overall bounding box of all views.
+     */
+    Base::BoundBox3d getBoundingBox() const;
 
 protected:
     std::vector<PickedPoint> _pickedPoints;
@@ -170,6 +175,7 @@ class GuiExport MovableGroupModel
     bool isEmpty() const;
     int count() const;
     const MovableGroup& getGroup(int i) const;
+    Base::BoundBox3d getBoundingBox() const;
 
 protected:
     void removeActiveGroup();