private void ReceiveTouchInformation(Int32 deviceId, Int32 deviceStatus, Int32 packetID, Int32 touches, Int32 ghostTouches)
{
//Check if we have received touch information.
if (deviceStatus == (int)DeviceStatus.DS_TOUCH_INFO)
{
lock (m_lock)
{
this.FTouches.Clear();
this.FpacketID = packetID;
this.FCurrentTouches = touches;
for (int tch = 0; tch < Imports.MAX_TOUCHES; tch++)
{
if ((this.FCurrentTouches & (1 << tch)) > 0)
{
//Get the touch information.
NWTouchPoint touchPt = new NWTouchPoint();
SuccessCode retCode = (SuccessCode)Imports.GetTouch(myDeviceID, FpacketID, out touchPt, (1 << tch), 0);
if (retCode == SuccessCode.SUCCESS)
{
if (touchPt.TouchEventType == (int)TouchEventType.TE_TOUCH_DOWN ||
touchPt.TouchEventType == (int)TouchEventType.TE_TOUCHING)
{
this.FTouches[touchPt.TouchID] = touchPt;
}
}
}
}
this.FInvalidateTouches = true;
}
}
}
public void Evaluate(int SpreadMax)
{
if (this.FInvalidateDeviceCount)
{
this.FDeviceCount = Imports.GetConnectedDeviceCount();
this.FPinOutDevicesCount.SetValue(0, this.FDeviceCount);
this.FInvalidateDeviceCount = false;
this.myDeviceID = -1;
if (this.FDeviceCount > 0)
{
myDeviceID = Imports.GetConnectedDeviceID(0);
Imports.OpenDevice(myDeviceID, eventHandler);
Imports.SetReportMode(myDeviceID, (int)ReportModes.RM_SLOPESMODE);
Imports.SetTouchScreenDimensions(myDeviceID, -1, -1, 1, 1);
}
}
this.FPinOutOnData.SetValue(0, Convert.ToDouble(this.FInvalidateTouches));
if (this.FInvalidateTouches)
{
lock (m_lock)
{
//Loop through all the touches.
this.FPinOutPosition.SliceCount = this.FTouches.Count;
this.FPinOutId.SliceCount = this.FTouches.Count;
this.FPinOutType.SliceCount = this.FTouches.Count;
this.FPinOutSize.SliceCount = this.FTouches.Count;
this.FPinOutVelocity.SliceCount = this.FTouches.Count;
this.FpinOutLevel.SliceCount = this.FTouches.Count;
this.FpinOutEventType.SliceCount = this.FTouches.Count;
int cnt = 0;
foreach (int key in this.FTouches.Keys)
{
NWTouchPoint touch = this.FTouches[key];
this.FPinOutId.SetValue(cnt, touch.TouchID);
this.FPinOutPosition.SetValue2D(cnt, touch.TouchPos.x, -touch.TouchPos.y);
this.FPinOutSize.SetValue2D(cnt, touch.Width, touch.Height);
this.FPinOutVelocity.SetValue(cnt, touch.Velocity);
this.FpinOutLevel.SetValue(cnt, touch.ConfidenceLevel);
if (touch.TouchType == (int)TouchType.TT_CENTROID)
{
this.FPinOutType.SetString(cnt, "Centroid");
}
else
{
if (touch.TouchType == (int)TouchType.TT_GHOSTTOUCH)
{
this.FPinOutType.SetString(cnt, "Ghost");
}
else
{
this.FPinOutType.SetString(cnt, "Touch");
}
}
if (touch.TouchEventType == (int)TouchEventType.TE_TOUCH_DOWN)
{
this.FpinOutEventType.SetString(cnt, "Down");
}
else
{
if (touch.TouchEventType == (int)TouchEventType.TE_TOUCH_UP)
{
this.FpinOutEventType.SetString(cnt, "Up");
}
else
{
this.FpinOutEventType.SetString(cnt, "Move");
}
}
cnt++;
}
}
this.FInvalidateTouches = false;
}
}
