/// <summary>
/// Creates a data message from raw message data, starting at a given offset in the raw data.
/// </summary>
/// <param name="rawMessage">The raw message data.</param>
/// <param name="start">The index the recreation of the data message should be started at.</param>
/// <returns>A data message of correct type, recreated from the raw data.</returns>
public static DataMessage CreateFromRawMessage(byte[] rawMessage, int start)
{
// result
DataMessage result = null;
// inspect type
var dataType = (DataType)BitConverter.ToInt32(rawMessage, start + 1);
// simple switch here
switch (dataType)
{
case DataType.ControllerInfo:
result = new ControllerInfoData();
break;
case DataType.Accelerometer:
result = new AccelerometerData();
break;
case DataType.Compass:
result = new CompassData();
break;
case DataType.Gyroscope:
result = new GyroscopeData();
break;
case DataType.Motion:
result = new MotionData();
break;
case DataType.Touch:
result = new TouchData();
break;
case DataType.Tap:
result = new TapData();
break;
case DataType.DoubleTap:
result = new DoubleTapData();
break;
case DataType.Hold:
result = new HoldData();
break;
case DataType.Flick:
result = new FlickData();
break;
case DataType.FreeDrag:
result = new FreeDragData();
break;
case DataType.HorizontalDrag:
result = new HorizontalDragData();
break;
case DataType.VerticalDrag:
result = new VerticalDragData();
break;
case DataType.DragComplete:
result = new DragCompleteData();
break;
case DataType.CustomDrag:
result = new CustomDragData();
break;
case DataType.CustomDragComplete:
result = new CustomDragCompleteData();
break;
case DataType.Pinch:
result = new PinchData();
break;
case DataType.PinchComplete:
result = new PinchCompleteData();
break;
case DataType.Text:
result = new TextData();
break;
}
// fill from raw data
if (result != null)
{
result.FromByteArray(rawMessage, start);
}
else
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
}
return result;
}
private void ProcessPinch(GestureSample gesture)
{
// convert first and second positions to logical coordinates
var location = new Vector2();
CoordinateSystemHelper.CalculateLogicalPosition(location, gesture.Position);
var location2 = new Vector2();
CoordinateSystemHelper.CalculateLogicalPosition(location2, gesture.Position2);
// make sure the positions are valid
if (!CoordinateSystemHelper.IsInActiveArea(location, InputMargin) || !CoordinateSystemHelper.IsInActiveArea(location2, InputMargin))
{
return;
}
// project
CoordinateSystemHelper.ProjectToActiveArea(location, InputMargin);
CoordinateSystemHelper.ProjectToActiveArea(location2, InputMargin);
_logger.Trace("Processing pinch gesture");
// set values
var data = new PinchData();
data.TouchPoint = new TouchPoint
{
// Id and State are not really used here
Id = 0,
State = TouchPointState.Moved,
Location = location
};
data.TouchPoint2 = new TouchPoint
{
// Id and State are not really used here too
Id = 0,
State = TouchPointState.Moved,
Location = location2
};
data.Delta = new Vector2();
CoordinateSystemHelper.AdjustLogicalAxis(data.Delta, gesture.Delta);
data.Delta2 = new Vector2();
CoordinateSystemHelper.AdjustLogicalAxis(data.Delta2, gesture.Delta2);
data.Timestamp = new DateTimeOffset(gesture.Timestamp.Ticks, TimeSpan.Zero);
// notify
_dataAcquiredCallback(data);
}