LineItem + fct orientation()

GUI/Model/Mask/MaskItems.h

@@ -116,6 +116,8 @@ public:
     void writeTo(QXmlStreamWriter* w) const override;
     void readFrom(QXmlStreamReader* r) override;
 
+    virtual Qt::Orientation orientation() const = 0;
+
 protected:
     DoubleProperty m_pos;
 };
@@ -124,12 +126,14 @@ class VerticalLineItem : public LineItem {
 public:
     VerticalLineItem();
     std::unique_ptr<IShape2D> createShape() const override;
+    Qt::Orientation orientation() const override { return Qt::Vertical; }
 };
 
 class HorizontalLineItem : public LineItem {
 public:
     HorizontalLineItem();
     std::unique_ptr<IShape2D> createShape() const override;
+    Qt::Orientation orientation() const override { return Qt::Horizontal; }
 };
 
 class EllipseItem : public MaskItem {