예제 #1
0
        private void Canvas_OnPointerPressed(object sender, PointerRoutedEventArgs e)
        {
            Debug.WriteLine("Canvas on pointer pressed");
            _mouseDownOnCanvas = true;

            if (_hasShapeBeenSelected)
            {
                _hasShapeBeenSelected  = false;
                _canStartCreatingShape = true;
                return;
            }

            if (_shapeManager.HasShapeBeenDeleted)
            {
                _shapeManager.HasShapeBeenDeleted = false;
                _canStartCreatingShape            = true;
            }

            if (_canStartCreatingShape)
            {
                _startingPoint         = e.GetCurrentPoint(DrawingCanvas).Position;
                _canStartCreatingShape = false;
            }
            else
            {
                _endingPoint = e.GetCurrentPoint(DrawingCanvas).Position;
                _shapeManager.CreateNewShape(_shapeType, _startingPoint, _endingPoint);
                _canStartCreatingShape = true;
            }
        }