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App1.cs
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/
App1.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Windows.Forms;
using Microsoft.Surface;
using Microsoft.Surface.Core;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System.Diagnostics;
using Tuio;
namespace SUR_TUIO
{
/// <summary>
/// SUR TUIO 0.1
///
/// A simple TUIO server for SUR40
///
/// It sends all touches as TUIO pointers at the moment.
/// Finger's directions and objects will follow.
///
/// Based on Dominik Schmidt's .NET/C# TUIO server.
/// http://www.dominikschmidt.net/2010/11/net-c-tuio-server/
///
/// Copyright (c) 2012 Michael Zoellner
/// http://i.document.m05.de
///
/// Licensed under GPLv3 license.
/// http://www.gnu.org/licenses/gpl.html
/// </summary>
public class App1 : Microsoft.Xna.Framework.Game
{
private readonly GraphicsDeviceManager graphics;
private TouchTarget touchTarget;
private bool applicationLoadCompleteSignalled;
private const int millisecondsToDisappear = 3000;
private TuioServer tuioserver;
private HashSet<int> tuio_ids;
private int size_x;
private int size_y;
public App1()
{
graphics = new GraphicsDeviceManager(this);
tuioserver = new TuioServer();
tuio_ids = new HashSet<int>();
size_x = InteractiveSurface.PrimarySurfaceDevice.Width;
size_y = InteractiveSurface.PrimarySurfaceDevice.Height;
}
private int process_touches(ReadOnlyTouchPointCollection touches)
{
int count = 0;
foreach (TouchPoint touch in touches)
{
if (touch.IsFingerRecognized || InteractiveSurface.PrimarySurfaceDevice.IsFingerRecognitionSupported == false)
{
float x = touch.X / size_x;
float y = touch.Y / size_y;
//touch.X, touch.Y),touch.Orientation
if (tuio_ids.Contains(touch.Id))
{
tuioserver.UpdateTuioCursor(touch.Id, new System.Drawing.PointF(x, y));
}
else
{
tuioserver.AddTuioCursor(touch.Id, new System.Drawing.PointF(x, y));
tuio_ids.Add(touch.Id);
}
}
tuioserver.InitFrame();
tuioserver.CommitFrame();
}
return count;
}
protected override void Initialize()
{
IsMouseVisible = true;
IsFixedTimeStep = false;
SetWindowOnSurface();
InitializeSurfaceInput();
ApplicationServices.WindowInteractive += OnWindowInteractive;
ApplicationServices.WindowNoninteractive += OnWindowNoninteractive;
ApplicationServices.WindowUnavailable += OnWindowUnavailable;
base.Initialize();
}
private void SetWindowOnSurface()
{
System.Diagnostics.Debug.Assert(Window != null && Window.Handle != IntPtr.Zero,
"Window initialization must be complete before SetWindowOnSurface is called");
if (Window == null || Window.Handle == IntPtr.Zero)
return;
Program.InitializeWindow(Window);
graphics.PreferredBackBufferWidth = Program.WindowSize.Width;
graphics.PreferredBackBufferHeight = Program.WindowSize.Height;
graphics.ApplyChanges();
Program.PositionWindow();
}
private void InitializeSurfaceInput()
{
System.Diagnostics.Debug.Assert(Window != null && Window.Handle != IntPtr.Zero,
"Window initialization must be complete before InitializeSurfaceInput is called");
if (Window == null || Window.Handle == IntPtr.Zero)
return;
System.Diagnostics.Debug.Assert(touchTarget == null,
"Surface input already initialized");
if (touchTarget != null)
return;
touchTarget = new TouchTarget(IntPtr.Zero, EventThreadChoice.OnBackgroundThread);
touchTarget.EnableInput();
}
protected override void Update(GameTime gameTime)
{
ReadOnlyTouchPointCollection t = touchTarget.GetState();
process_touches(t);
base.Update(gameTime);
}
protected override void Draw(GameTime gameTime)
{
if (!applicationLoadCompleteSignalled)
{
ApplicationServices.SignalApplicationLoadComplete();
applicationLoadCompleteSignalled = true;
}
graphics.GraphicsDevice.Clear(Color.Black);
base.Draw(gameTime);
}
private void OnWindowInteractive(object sender, EventArgs e)
{
}
private void OnWindowNoninteractive(object sender, EventArgs e)
{
}
private void OnWindowUnavailable(object sender, EventArgs e)
{
}
#region IDisposable
protected override void Dispose(bool disposing)
{
if (disposing)
{
touchTarget.Dispose();
IDisposable graphicsDispose = graphics as IDisposable;
if (graphicsDispose != null)
{
graphicsDispose.Dispose();
}
}
base.Dispose(disposing);
}
#endregion
}
}