/// <summary>
/// Handle local drawing
/// </summary>
private void canvas_MouseMove(object sender, MouseEventArgs e)
{
if (_isDrawing && !_previousMousePosition.IsEmpty)
{
var segment = new PointSegment(_previousMousePosition, e.Location);
DrawLine(segment);
_udpSender.Send(segment);
}
_previousMousePosition = e.Location;
}
/// <summary>
/// Tries to deserialize the data into a <see cref="PointSegment"/>.
/// </summary>
/// <param name="bytes">The binary data to be deserialized.</param>
/// <param name="result">The deserialized <see cref="PointSegment"/> if succeeded.</param>
/// <returns>True if succeeded, false if unsuccessful.</returns>
private bool TryDeserializePointSegment(byte[] bytes, out PointSegment result)
{
using (var stream = new MemoryStream(bytes))
{
stream.Seek(0, SeekOrigin.Begin);
var data = _deserializer.Deserialize(stream);
if (data is PointSegment p)
{
result = p;
return(true);
}
}
result = default;
return(false);
}
/// <summary>
/// Draw line on canvas.
/// </summary>
private void DrawLine(PointSegment segment)
{
_graphics.DrawLine(_pen, segment.Point1, segment.Point2);
}