internal override void Synchronize()
{
// Simulate a stylus move (if we are current stylus, inrange, visuals still valid to update
// and has moved).
if (InRange && _inputSource != null && _inputSource.Value != null &&
_inputSource.Value.CompositionTarget != null && !_inputSource.Value.CompositionTarget.IsDisposed)
{
Point rawScreenPoint = new Point(_pointerData.Info.ptPixelLocationRaw.X, _pointerData.Info.ptPixelLocationRaw.Y);
Point ptDevice = PointUtil.ScreenToClient(rawScreenPoint, _inputSource.Value);
// GlobalHitTest always returns an IInputElement, so we are sure to have one.
IInputElement stylusOver = Input.StylusDevice.GlobalHitTest(_inputSource.Value, ptDevice);
bool fOffsetChanged = false;
if (_stylusOver == stylusOver)
{
Point ptOffset = GetPosition(stylusOver);
fOffsetChanged = MS.Internal.DoubleUtil.AreClose(ptOffset.X, _rawElementRelativePosition.X) == false || MS.Internal.DoubleUtil.AreClose(ptOffset.Y, _rawElementRelativePosition.Y) == false;
}
if (fOffsetChanged || _stylusOver != stylusOver)
{
int timeStamp = Environment.TickCount;
if (_currentStylusPoints != null &&
_currentStylusPoints.Count > 0 &&
StylusPointDescription.AreCompatible(PointerTabletDevice.StylusPointDescription, _currentStylusPoints.Description))
{
StylusPoint stylusPoint = _currentStylusPoints[_currentStylusPoints.Count - 1];
int[] data = stylusPoint.GetPacketData();
// get back to the correct coordinate system
Matrix m = _tabletDevice.TabletToScreen;
m.Invert();
Point ptTablet = ptDevice * m;
data[0] = (int)ptTablet.X;
data[1] = (int)ptTablet.Y;
RawStylusInputReport report = new RawStylusInputReport(InputMode.Foreground,
timeStamp,
_inputSource.Value,
InAir ? RawStylusActions.InAirMove : RawStylusActions.Move,
() => { return(PointerTabletDevice.StylusPointDescription); },
TabletDevice.Id,
Id,
data);
report.Synchronized = true;
InputReportEventArgs inputReportEventArgs = new InputReportEventArgs(StylusDevice, report);
inputReportEventArgs.RoutedEvent = InputManager.PreviewInputReportEvent;
InputManager.Current.ProcessInput(inputReportEventArgs);
}
}
}
}
void CompareDescriptions()
{
//<Snippet22>
StylusPointDescription description1 =
new StylusPointDescription(new StylusPointPropertyInfo[]
{
new StylusPointPropertyInfo(StylusPointProperties.X),
new StylusPointPropertyInfo(StylusPointProperties.Y),
new StylusPointPropertyInfo(StylusPointProperties.NormalPressure),
new StylusPointPropertyInfo(StylusPointProperties.XTiltOrientation),
new StylusPointPropertyInfo(StylusPointProperties.YTiltOrientation),
new StylusPointPropertyInfo(StylusPointProperties.BarrelButton)
});
StylusPointDescription description2 =
new StylusPointDescription(new StylusPointPropertyInfo[]
{
new StylusPointPropertyInfo(StylusPointProperties.X),
new StylusPointPropertyInfo(StylusPointProperties.Y),
new StylusPointPropertyInfo(StylusPointProperties.NormalPressure),
new StylusPointPropertyInfo(StylusPointProperties.BarrelButton)
});
//</Snippet22>
//<Snippet23>
if (StylusPointDescription.AreCompatible(description1, description2))
{
MessageBox.Show("The two descriptions are compatible.");
}
else
{
MessageBox.Show("The two descriptions are not compatible.");
}
//</Snippet23>
//<Snippet24>
if (description2.IsSubsetOf(description1))
{
MessageBox.Show("description2 is a subset of description1.");
}
else
{
MessageBox.Show("description2 is not a subset of description1.");
}
//</Snippet24>
}
/// <summary>
/// Replaces the StylusPoints.
/// </summary>
/// <remarks>
/// Callers must have Unmanaged code permission to call this API.
/// </remarks>
/// <param name="stylusPoints">stylusPoints</param>
public void SetStylusPoints(StylusPointCollection stylusPoints)
{
if (null == stylusPoints)
{
throw new ArgumentNullException("stylusPoints");
}
if (!StylusPointDescription.AreCompatible(stylusPoints.Description,
_report.StylusPointDescription))
{
throw new ArgumentException(SR.Get(SRID.IncompatibleStylusPointDescriptions), "stylusPoints");
}
if (stylusPoints.Count == 0)
{
throw new ArgumentException(SR.Get(SRID.Stylus_StylusPointsCantBeEmpty), "stylusPoints");
}
_stylusPoints = stylusPoints.Clone();
}
public void SetStylusPoints(StylusPointCollection stylusPoints)
{
// To modify the points we require Unmanaged code permission.
SecurityHelper.DemandUnmanagedCode();
if (null == stylusPoints)
{
throw new ArgumentNullException("stylusPoints");
}
if (!StylusPointDescription.AreCompatible(stylusPoints.Description,
_report.StylusPointDescription))
{
throw new ArgumentException(SR.Get(SRID.IncompatibleStylusPointDescriptions), "stylusPoints");
}
if (stylusPoints.Count == 0)
{
throw new ArgumentException(SR.Get(SRID.Stylus_StylusPointsCantBeEmpty), "stylusPoints");
}
_stylusPoints = stylusPoints.Clone();
}