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(); }