diff --git a/kandinsky/include/kandinsky/rect.h b/kandinsky/include/kandinsky/rect.h
index cc381c0df..0d688877d 100644
--- a/kandinsky/include/kandinsky/rect.h
+++ b/kandinsky/include/kandinsky/rect.h
@@ -26,6 +26,9 @@ public:
   KDCoordinate top() const;
   KDCoordinate bottom() const;
 
+  void setOrigin(KDPoint origin);
+  void setSize(KDSize size);
+
   KDRect translatedBy(KDPoint p) const;
   KDRect movedTo(KDPoint p) const;
   bool intersects(const KDRect & other) const;
diff --git a/kandinsky/include/kandinsky/size.h b/kandinsky/include/kandinsky/size.h
index f921c99b1..c82ec1b7a 100644
--- a/kandinsky/include/kandinsky/size.h
+++ b/kandinsky/include/kandinsky/size.h
@@ -13,6 +13,6 @@ private:
   KDCoordinate m_height;
 };
 
-
+constexpr KDSize KDSizeZero = KDSize(0,0);
 
 #endif
diff --git a/kandinsky/src/rect.cpp b/kandinsky/src/rect.cpp
index 4b7ab673b..9915f1453 100644
--- a/kandinsky/src/rect.cpp
+++ b/kandinsky/src/rect.cpp
@@ -30,6 +30,9 @@ KDCoordinate KDRect::right() const { return m_x+m_width; }
 KDCoordinate KDRect::bottom() const { return m_y+m_height; }
 KDCoordinate KDRect::left() const { return m_x; }
 
+void KDRect::setOrigin(KDPoint p) { m_x = p.x(); m_y = p.y(); }
+void KDRect::setSize(KDSize s) { m_width = s.width(); m_height = s.height(); }
+
 static inline KDCoordinate min(KDCoordinate x, KDCoordinate y) { return (x<y ? x : y); }
 static inline KDCoordinate max(KDCoordinate x, KDCoordinate y) { return (x>y ? x : y); }