/// <summary>
/// Converts a board point collection into a stroke.
/// </summary>
/// <param name="bpc">The BPC.</param>
/// <returns>A stroke created from the given board point collection.</returns>
private System.Windows.Ink.Stroke GetStroke(BoardPointCollection bpc)
{
System.Windows.Input.StylusPointCollection spc = new System.Windows.Input.StylusPointCollection();
bpc.Points.ForEach(point =>
{
spc.Add(new System.Windows.Input.StylusPoint(point.X, point.Y, point.PressureFactor));
});
var stroke = new System.Windows.Ink.Stroke(spc, new System.Windows.Ink.DrawingAttributes()
{
Color = (Color)ColorConverter.ConvertFromString(bpc.Color)
});
stroke.AddPropertyData(bpc.ID, bpc.User);
stroke.DrawingAttributes.Height = bpc.BrushHeight;
stroke.DrawingAttributes.Width = bpc.BrushWidth;
return(stroke);
}
/// <summary>
/// Gets the board point collection. This allows serializable messages to be sent to the server.
/// </summary>
/// <param name="stroke">The stroke.</param>
/// <returns>A new board point collection.</returns>
private BoardPointCollection GetBoardPointCollection(System.Windows.Ink.Stroke stroke)
{
var bpc = new BoardPointCollection();
bpc.Color = stroke.DrawingAttributes.Color.ToString();
var customProperties = stroke.GetPropertyDataIds();
bpc.ID = customProperties.First();
bpc.User = stroke.GetPropertyData(customProperties.First()).ToString();
bpc.BrushWidth = stroke.DrawingAttributes.Width;
bpc.BrushHeight = stroke.DrawingAttributes.Height;
stroke.StylusPoints.ToList().ForEach(point =>
{
bpc.Points.Add(new BoardPoint()
{
X = point.X,
Y = point.Y,
PressureFactor = point.PressureFactor
});
});
return(bpc);
}
/// <summary>
/// Receivers the stroke to erase.
/// </summary>
/// <param name="serializedStroke">The serialized stroke.</param>
private void ReceiveStrokeToErase(string serializedStroke)
{
BoardPointCollection bpc = JsonConvert.DeserializeObject <BoardPointCollection>(serializedStroke);
StrokeErasedEvent?.Invoke(bpc.ID);
}
