private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
myGrid.SizeChanged += MyGrid_SizeChanged;
myGrid.Children.Clear();
_host = new LUTHost();
_host.PointSelectedEvent += _host_PointSelectedEvent;
_host.PointMovedEvent += _host_PointMovedEvent;
_host.PointReleasedEvent += _host_PointReleasedEvent;
_host.PointCreateOrDeleteEvent += _host_PointCreateOrDeleteEvent;
myGrid.Children.Add(_host);
//needed for some reasons...
_host.InvalidateArrange();
_host.UpdateLayout();
DrawPoints();
LUTChangedEvent?.Invoke();
}
private void _host_PointCreateOrDeleteEvent(double x, double y)
{
int hit = checkForPoint(x, y);
if (hit > 0 && hit < _controlPoints.Count - 1)
{
_controlPoints.RemoveAt(hit);
_selectedPoint = -1;
_needsSolve = true;
//Console.WriteLine("Removed point");
DrawPoints();
LUTChangedEvent?.Invoke();
}
//else
//{
// if (x > 0 && x < 1 && y >= 0 && y <= 1)
// {
// _controlPoints.Add(x, y);
// Console.WriteLine("Added point");
// _host.DrawPoints(_controlPoints);
// }
//}
}
private void myGrid_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Right && e.ButtonState == MouseButtonState.Pressed)
{
// Retreive the coordinates of the mouse button event.
Point pt = e.GetPosition((UIElement)_host);
double posX = pt.X / _host.ActualWidth;
double posY = (_host.ActualHeight - pt.Y) / _host.ActualHeight;
int hit = checkForPoint(posX, posY);
if (posX > 0 && posX < 1 && posY >= 0 && posY <= 1)
{
if (_controlPoints.ContainsKey(posX))
{
return;
}
_controlPoints.Add(posX, posY);
_needsSolve = true;
//Console.WriteLine("Added point");
DrawPoints();
LUTChangedEvent?.Invoke();
}
}
}
private void _host_PointReleasedEvent()
{
//Console.WriteLine("RELEASE!");
_selectedPoint = -1;
LUTChangedEvent?.Invoke();
}
