{
/**
+ * Gets the natural size of the given actor.
*
+ * If the actor is a Control, it returns the natural size of the Control. @see Control::GetNaturalSize()
+ * If the actor is an ImageActor, it returns the size of the image.
+ * If the actor is a TextActor, it returns the size of the text. @see Font::MeasureText()
+ * Otherwise it returns the actor's current size. @see Actor::GetCurrentSize()
+ *
+ * @param[in] actor The actor.
+ *
+ * @return The natural size.
*/
Vector3 GetNaturalSize( Actor actor );
/**
+ * Gets the actor's height for the given width.
+ *
+ * If the actor is a Control it returns the height for width. @see Control::GetHeightForWidth()
+ * If the actor is an ImageActor or a TextActor it scales the natural size to fit the given width. @see GetNaturalSize()
+ * Otherwise it returns the actor's current size. @see Actor::GetCurrentSize()
+ *
+ * @param[in] actor The actor.
+ * @param[in] width The width.
*
+ * @return The actor's height for given width.
*/
float GetHeightForWidth( Actor actor, float width );