Simple layout relative position

GUIHELPER

main(){
  //load layout
  XMLFile* xmlFile =  cache->GetResource<XMLFile>(layoutName);
	SharedPtr<UIElement> lay =GetContext()->GetSubsystem<UI>()->LoadLayout(xmlFile);
	GetContext()->GetSubsystem<UI>()->GetRoot()->AddChild(lay);
	
	Vector2 resEditor (1920,1080);// this is the resolution used in the editor - could be came from .xml
	Vector2 currentResolution (1600,1080); // current resolution from EngineParameters
	GuiHelper::ReDraw(lay,resEditor,currentResolution);
  
}




GuiHelper.h
class GUIHELPER
{
....
static void ReDraw( Urho3D::UIElement * root ,  Urho3D::Vector2 & layoutResolution , Urho3D::Vector2 & windowResolution );
static Urho3D::Vector2 convertFromRelative(const Urho3D::Vector2 & _point, const Urho3D::Vector2 & _view);
static Urho3D::Vector2 convertToRelative(const Urho3D::IntVector2& _coord, const Urho3D::Vector2& _view);
}
GuiHelper.cpp
void GuiHelper::ReDraw( UIElement * root , Vector2 & layoutResolution , Vector2 & windowResolution   )
{
	
	//take all elements
	PODVector<UIElement*> child;
	root->GetChildren(child,true);

	for (unsigned int i = 0 ; i < child.Size();i++)
	{


		UIElement * ui= child[i];
		//convert position
		{	
			IntVector2  position =ui->GetPosition();
			Vector2 rel= convertToRelative(position,rifWindows);
			Vector2 abs=convertFromRelative(rel,renderWindow);
			IntVector2 absPos=IntVector2( (int)abs.x_,(int)abs.y_);
			ui->SetPosition(absPos);

		}
	//convert size
		{
			IntVector2  size =ui->GetSize();
			Vector2 rel= convertToRelative(size,rifWindows);
			Vector2 abs=convertFromRelative(rel,renderWindow);
			IntVector2 absSize=IntVector2( (int)abs.x_,(int)abs.y_);
			ui->SetSize(absSize);
		}
				

	}
	
}

Urho3D::Vector2 GuiHelper::convertFromRelative( const Vector2 & _point, const Vector2 & _view )
{
	return Vector2( _point.x_ * _view.x_, _point.y_ * _view.y_);
}

Urho3D::Vector2 GuiHelper::convertToRelative( const IntVector2& _coord, const Vector2& _view )
{
	return Vector2( _coord.x_ / (float)_view.x_, _coord.y_ / (float)_view.y_);
}