[Tizen] Implement partial update

[platform/core/uifw/dali-core.git] / dali / internal / event / actors / actor-impl.h

diff --git a/dali/internal/event/actors/actor-impl.h b/dali/internal/event/actors/actor-impl.h
index b233dec..05a22f5 100755 (executable)
--- a/dali/internal/event/actors/actor-impl.h
+++ b/dali/internal/event/actors/actor-impl.h
@@ -250,6 +250,13 @@ public:
   }
 
   /**
+   * Calculates screen position and size.
+   *
+   * @return pair of two values, position of top-left corner on screen and size respectively.
+   */
+  Rect<> CalculateScreenExtents( ) const;
+
+  /**
    * Sets the size of an actor.
    * This does not interfere with the actors scale factor.
    * @param [in] width  The new width.
@@ -1230,7 +1237,7 @@ public:
    * @brief Return the update size hint of actor
    * @return Return the update size hint
    */
-  const Vector2 GetUpdateSizeHint() const;
+  Vector2 GetUpdateSizeHint() const;
 
   /**
    * @copydoc Dali::Actor::AddRenderer()