Base: refactor InventorBuilder

src/Mod/Mesh/App/Mesh.cpp

@@ -551,7 +551,7 @@ void MeshObject::writeInventor(std::ostream& str, float creaseangle) const
 
     Base::InventorBuilder builder(str);
     builder.beginSeparator();
-    builder.addTransformation(getTransform());
+    builder.addNode(Base::TransformItem{getTransform()});
     Base::ShapeHintsItem shapeHints{creaseangle};
     builder.addNode(shapeHints);
     builder.addNode(Base::Coordinate3Item{coords});
@@ -949,7 +949,7 @@ void MeshObject::offsetSpecial2(float fSize)
     for (std::vector<Base::Vector3f>::iterator It= PointNormals.begin();It != PointNormals.end();++It,i++) {
         Base::Line3f line{_kernel.GetPoint(i), _kernel.GetPoint(i) + It->Normalize() * fSize};
         Base::DrawStyle drawStyle;
-        builder.addSingleLine(line, drawStyle);
+        builder.addNode(Base::LineItem{line, drawStyle});
         // and move each mesh point in the normal direction
         _kernel.MovePoint(i,It->Normalize() * fSize);
     }

src/Mod/MeshPart/App/MeshAlgos.cpp

@@ -72,7 +72,7 @@ void MeshAlgos::offsetSpecial2(MeshCore::MeshKernel* Mesh, float fSize)
     for(std::vector<Base::Vector3f>::iterator It= PointNormals.begin();It != PointNormals.end();++It,i++) {
         Base::Line3f line{Mesh->GetPoint(i), Mesh->GetPoint(i) + It->Normalize() * fSize};
         Base::DrawStyle drawStyle;
-        builder.addSingleLine(line, drawStyle);
+        builder.addNode(Base::LineItem{line, drawStyle});
         // and move each mesh point in the normal direction
         Mesh->MovePoint(i,It->Normalize() * fSize);
     }

src/Mod/Part/App/TopoShape.cpp

@@ -1142,7 +1142,7 @@ void TopoShape::exportLineSet(std::ostream& str) const
 
         Base::DrawStyle drawStyle;
         drawStyle.lineWidth = 2.0F;
-        builder.addLineSet(vertices, drawStyle, Base::ColorRGB{0, 0, 0});
+        builder.addNode(Base::MultiLineItem{vertices, drawStyle, Base::ColorRGB{0, 0, 0}});
     }
 
     builder.endSeparator();