/// <summary>
/// Responds to pen data by removing or peek/flushing data.
/// </summary>
/// <param name="sender_I"></param>
/// <param name="eventArgs_I"></param>
public void MyWTPacketEventHandler(Object sender_I, MessageReceivedEventArgs eventArgs_I)
{
UInt32 numPkts = 0;
//System.Diagnostics.Debug.WriteLine("Received WT_PACKET event");
if (m_wtData == null)
{
return;
}
bool removeData = this.removeRadioButton.Checked;
try
{
// If removeData is true, packets are removed as they are read.
// If removeData is false, peek at packets only (packets flushed below).
WintabPacket[] packets = m_wtData.GetDataPackets(m_maxPackets, removeData, ref numPkts);
if (numPkts > 0)
{
for (int idx = 0; idx < packets.Length; idx++)
{
TraceMsg(
"Context:" + packets[idx].pkContext +
" Status:" + packets[idx].pkStatus +
" ID:" + packets[idx].pkSerialNumber +
" X:" + packets[idx].pkX +
" Y:" + packets[idx].pkY +
" P:" + packets[idx].pkNormalPressure + "\n");
}
// If the peek button was pressed, then flush the packets we just peeked at.
if (!removeData)
{
TraceMsg("Flushing " + numPkts.ToString() + " pending data packets...\n\n");
m_wtData.FlushDataPackets(numPkts);
}
}
}
catch (Exception ex)
{
MessageBox.Show("MyWTPacketEventHandler ERROR: " + ex.ToString());
}
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// Called when Wintab WT_PACKET events are received.
/// </summary>
/// <param name="sender_I">The EventMessage object sending the report.</param>
/// <param name="eventArgs_I">eventArgs_I.Message.WParam contains ID of packet containing the data.</param>
public void MyWTPacketEventHandler(Object sender_I, MessageReceivedEventArgs eventArgs_I)
{
//System.Diagnostics.Debug.WriteLine("Received WT_PACKET event");
if (m_wtData == null)
{
return;
}
try
{
if (m_maxPkts == 1)
{
uint pktID = (uint)eventArgs_I.Message.WParam;
WintabPacket pkt = m_wtData.GetDataPacket((uint)eventArgs_I.Message.LParam, pktID);
//DEPRECATED WintabPacket pkt = m_wtData.GetDataPacket(pktID);
if (pkt.pkContext != 0)
{
m_pkX = pkt.pkX;
m_pkY = pkt.pkY;
m_pressure = pkt.pkNormalPressure;
//Trace.WriteLine("SCREEN: pkX: " + pkt.pkX + ", pkY:" + pkt.pkY + ", pressure: " + pkt.pkNormalPressure);
m_pkTime = pkt.pkTime;
//Console.WriteLine("time: " + m_pkTime);
if (m_graphics == null)
{
// display data mode
TraceMsg("Received WT_PACKET event[" + pktID + "]: X/Y/P = " +
pkt.pkX + " / " + pkt.pkY + " / " + pkt.pkNormalPressure + "\n");
}
else
{
// scribble mode
int clientWidth = scribblePanel.Width;
int clientHeight = scribblePanel.Height;
// m_pkX and m_pkY are in screen (system) coordinates.
/*
//Converts the program to use relative coordinates.
System.Drawing.Rectangle workingRectangle = Screen.PrimaryScreen.WorkingArea;
double percentX = m_pkX / (double)workingRectangle.Width;
double percentY = m_pkY / (double)workingRectangle.Height;
int newX = (int)(percentX * clientWidth);
int newY = (int)(percentY * clientHeight);
Point clientPoint = new Point(newX, newY);
*/
Point clientPoint = scribblePanel.PointToClient(new Point(m_pkX, m_pkY));
if (clientPoint.X < 0)
return;
if (clientPoint.Y < 0)
return;
if (clientPoint.X > scribblePanel.Width)
return;
if (clientPoint.Y > scribblePanel.Height)
return;
//Trace.WriteLine("CLIENT: X: " + clientPoint.X + ", Y:" + clientPoint.Y);
if (m_lastPoint.Equals(Point.Empty))
{
m_lastPoint = clientPoint;
m_pkTimeLast = m_pkTime;
}
//m_pen.Width = (float)(m_pressure / 200);
m_pen.Width = (float)3.0;
if (m_pressure > 0 && screenEnabled)
{
if(!timeoutTimer.Enabled && timeoutEnabled && currentSeq != 0)
{
timeoutTimer.Start();
}
if(compareTimer.Enabled)
{
compareTimer.Stop();
}
uint unixTimestamp = (uint)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalMilliseconds;
if (m_pkTime - m_pkTimeLast > 50)
{
Console.WriteLine("new stroke");
m_graphics.DrawRectangle(m_pen, clientPoint.X, clientPoint.Y, 1, 1);
strokeNum++;
DrawPoint dp = new DrawPoint(clientPoint.X, clientPoint.Y, strokeNum, unixTimestamp, m_pressure);
TR.AddStartPoint(dp);
m_lastPoint = clientPoint;
m_pkTimeLast = m_pkTime;
}
else
{
m_graphics.DrawLine(m_pen, clientPoint, m_lastPoint);
DrawPoint dp = new DrawPoint(clientPoint.X, clientPoint.Y, strokeNum, unixTimestamp, m_pressure);
TR.AddPoint(dp);
compareTimer.Start();
m_lastPoint = clientPoint;
m_pkTimeLast = m_pkTime;
}
}
}
}
}
}
catch (Exception ex)
{
throw new Exception("FAILED to get packet data: " + ex.ToString());
}
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// Called when Wintab WT_PACKET events are received.
/// </summary>
/// <param name="sender_I">The EventMessage object sending the report.</param>
/// <param name="eventArgs_I">eventArgs_I.Message.WParam contains ID of packet containing the data.</param>
public void MyWTPacketEventHandler(Object sender_I, MessageReceivedEventArgs eventArgs_I)
{
if (m_wtData == null)
{
return;
}
if (eventArgs_I.Message.Msg == (Int32)EWintabEventMessage.WT_PACKETEXT)
{
//Debug.WriteLine("Received WT_PACKETEXT");
WTPKT hCtx = (WTPKT)eventArgs_I.Message.LParam;
WTPKT pktID = (WTPKT)eventArgs_I.Message.WParam;
WintabPacketExt pktExt = m_wtData.GetDataPacketExt(hCtx, pktID);
if (pktExt.pkBase.nContext != mLogContext.HCtx)
{
throw new Exception("Oops - got a message from unknown context: " + pktExt.pkBase.nContext.ToString());
}
if (pktExt.pkBase.nContext == mLogContext.HCtx)
{
// Call updates on all control types, even though some updates will be NO-OPS
// because those controls will not be supported for the tablet.
mExtensionControlState.UpdateExpressKey((int)pktExt.pkExpKey.nTablet, (int)pktExt.pkExpKey.nControl, (int)pktExt.pkExpKey.nLocation, pktExt.pkExpKey.nState);
mExtensionControlState.UpdateTouchRing((int)pktExt.pkTouchRing.nTablet, (int)pktExt.pkTouchRing.nControl, (int)pktExt.pkTouchRing.nMode, pktExt.pkTouchRing.nPosition);
mExtensionControlState.UpdateTouchStrip((int)pktExt.pkTouchStrip.nTablet, (int)pktExt.pkTouchStrip.nControl, (int)pktExt.pkTouchStrip.nMode, pktExt.pkTouchStrip.nPosition);
// Refresh all supported controls based on current control state.
RefreshControls();
}
}
}
//---------------------------------------------------------------------
// Tablet event handler
//---------------------------------------------------------------------
private void TabletEventHandler(object sender, MessageReceivedEventArgs args)
{
uint pktID = (uint)args.Message.WParam;
WintabPacket pkt = data.GetDataPacket(pktID);
if (pkt.pkNormalPressure.pkAbsoluteNormalPressure > 0)
tabletPressure = (float)pkt.pkNormalPressure.pkAbsoluteNormalPressure / 1024.0f;
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// Called when Wintab WT_PACKET events are received.
/// </summary>
/// <param name="sender_I">The EventMessage object sending the report.</param>
/// <param name="eventArgs_I">eventArgs_I.Message.WParam contains ID of packet containing the data.</param>
public void MyWTPacketEventHandler(Object sender_I, MessageReceivedEventArgs eventArgs_I)
{
//System.Diagnostics.Debug.WriteLine("Received WT_PACKET event");
if (m_wtData == null)
{
return;
}
try
{
if (m_maxPkts == 1)
{
uint pktID = (uint)eventArgs_I.Message.WParam;
WintabPacket pkt = m_wtData.GetDataPacket((uint)eventArgs_I.Message.LParam, pktID);
//DEPRECATED WintabPacket pkt = m_wtData.GetDataPacket(pktID);
if (pkt.pkContext != 0)
{
m_pkX = pkt.pkX;
m_pkY = pkt.pkY;
m_pressure = pkt.pkNormalPressure;
Trace.WriteLine("SCREEN: pkX: " + pkt.pkX + ", pkY:" + pkt.pkY + ", pressure: " + pkt.pkNormalPressure);
m_pkTime = pkt.pkTime;
if (m_graphics == null)
{
// display data mode
//TraceMsg("Received WT_PACKET event[" + pktID + "]: X/Y/P = " +
// pkt.pkX + " / " + pkt.pkY + " / " + pkt.pkNormalPressure + "\n");
// udp!
// https://sites.google.com/a/jsc-solutions.net/work/knowledge-base/15-dualvr/20151003/udppenpressure
new float[] { pkt.pkX, pkt.pkY, pkt.pkNormalPressure }.Send("239.1.2.3", 40094);
}
else
{
// scribble mode
int clientWidth = scribblePanel.Width;
int clientHeight = scribblePanel.Height;
// m_pkX and m_pkY are in screen (system) coordinates.
Point clientPoint = scribblePanel.PointToClient(new Point(m_pkX, m_pkY));
Trace.WriteLine("CLIENT: X: " + clientPoint.X + ", Y:" + clientPoint.Y);
if (m_lastPoint.Equals(Point.Empty))
{
m_lastPoint = clientPoint;
m_pkTimeLast = m_pkTime;
}
m_pen.Width = (float)(m_pressure / 200);
if (m_pressure > 0)
{
if (m_pkTime - m_pkTimeLast < 5)
{
m_graphics.DrawRectangle(m_pen, clientPoint.X, clientPoint.Y, 1, 1);
}
else
{
m_graphics.DrawLine(m_pen, clientPoint, m_lastPoint);
}
}
m_lastPoint = clientPoint;
m_pkTimeLast = m_pkTime;
}
}
}
}
catch (Exception ex)
{
throw new Exception("FAILED to get packet data: " + ex.ToString());
}
}
//---------------------------------------------------------------------
// Tablet event handler
//---------------------------------------------------------------------
private void TabletEventHandler(object sender, MessageReceivedEventArgs args)
{
uint pktID = (uint)args.Message.WParam;
WintabPacket pkt = data.GetDataPacket(pktID);
if (pkt.pkNormalPressure.pkAbsoluteNormalPressure > 0)
{
if (lastPressure > 0)
m_session.GuiInput_TabletMove(sender, pkt);
else
m_session.GuiInput_TabletDown(sender, pkt);
}
else if (pkt.pkNormalPressure.pkAbsoluteNormalPressure == 0 && lastPressure > 0)
m_session.GuiInput_TabletUp(sender, pkt);
}
