Store color information per segment

src/Mod/Mesh/App/Mesh.cpp

@@ -1699,6 +1699,7 @@ void MeshObject::addSegment(const Segment& s)
 {
     addSegment(s.getIndices());
     this->_segments.back().setName(s.getName());
+    this->_segments.back().setColor(s.getColor());
     this->_segments.back().save(s.isSaved());
     this->_segments.back()._modifykernel = s._modifykernel;
 }

src/Mod/Mesh/App/Segment.cpp

@@ -85,6 +85,7 @@ Segment::Segment(const Segment& s)
   : _mesh(s._mesh)
   , _indices(s._indices)
   , _name(s._name)
+  , _color(s._color)
   , _save(s._save)
   , _modifykernel(s._modifykernel)
 {

src/Mod/Mesh/App/Segment.h

@@ -51,6 +51,9 @@ public:
     void setName(const std::string& n) { _name = n; }
     const std::string& getName() const { return _name; }
 
+    void setColor(const std::string& c) { _color = c; }
+    const std::string& getColor() const { return _color; }
+
     void save(bool on) { _save = on; }
     bool isSaved() const { return _save; }
 
@@ -61,6 +64,7 @@ private:
     MeshObject* _mesh;
     std::vector<unsigned long> _indices;
     std::string _name;
+    std::string _color;
     bool _save;
     bool _modifykernel;