Intelligent Screen Saver

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using FaceDetection;
using DxCam;
namespace FaceDetection
{
	/// <summary>
	/// Summary description for frmFaceDetection.
	/// </summary>
	public class frmFaceDetection : System.Windows.Forms.Form
	{
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.Windows.Forms.NotifyIcon niSystemTrayIcon;
		private System.Windows.Forms.ContextMenu cmiMain;
		private System.Windows.Forms.MenuItem cmiPause;
		private System.Windows.Forms.MenuItem cmiResume;
		private System.Windows.Forms.MenuItem cmiRestore;
		private System.Windows.Forms.MenuItem cmiExit;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.TrackBar tbrPollingTimer;
		private System.Windows.Forms.TrackBar tbrVoteCounts;
		private System.Windows.Forms.Timer tmrPolling;
		private System.Windows.Forms.Label label1;
		private DxCam.ctlDxCam ctlDxCam1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.RadioButton rbFront;
		private System.Windows.Forms.RadioButton rbProfile;
		private System.ComponentModel.IContainer components;

		public frmFaceDetection()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new frmFaceDetection());
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(frmFaceDetection));
			this.ctlDxCam1 = new DxCam.ctlDxCam();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.niSystemTrayIcon = new System.Windows.Forms.NotifyIcon(this.components);
			this.cmiMain = new System.Windows.Forms.ContextMenu();
			this.cmiPause = new System.Windows.Forms.MenuItem();
			this.cmiResume = new System.Windows.Forms.MenuItem();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.cmiRestore = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.cmiExit = new System.Windows.Forms.MenuItem();
			this.tbrPollingTimer = new System.Windows.Forms.TrackBar();
			this.tbrVoteCounts = new System.Windows.Forms.TrackBar();
			this.tmrPolling = new System.Windows.Forms.Timer(this.components);
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.panel1 = new System.Windows.Forms.Panel();
			this.rbProfile = new System.Windows.Forms.RadioButton();
			this.rbFront = new System.Windows.Forms.RadioButton();
			((System.ComponentModel.ISupportInitialize)(this.tbrPollingTimer)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.tbrVoteCounts)).BeginInit();
			this.panel1.SuspendLayout();
			this.SuspendLayout();
			// 
			// ctlDxCam1
			// 
			this.ctlDxCam1.BackColor = System.Drawing.Color.Black;
			this.ctlDxCam1.Location = new System.Drawing.Point(8, 8);
			this.ctlDxCam1.Name = "ctlDxCam1";
			this.ctlDxCam1.Size = new System.Drawing.Size(208, 152);
			this.ctlDxCam1.TabIndex = 0;
			this.ctlDxCam1.TabStop = false;
			this.ctlDxCam1.NewFrameEvent += new DxCam.NewFrameEventHandler(this.pbPicture_NewFrameEvent);
			// 
			// niSystemTrayIcon
			// 
			this.niSystemTrayIcon.ContextMenu = this.cmiMain;
			this.niSystemTrayIcon.Icon = ((System.Drawing.Icon)(resources.GetObject("niSystemTrayIcon.Icon")));
			this.niSystemTrayIcon.Text = "Intelligent ScreenSaver (TM)";
			this.niSystemTrayIcon.Visible = true;
			// 
			// cmiMain
			// 
			this.cmiMain.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.cmiPause,
																					this.cmiResume,
																					this.menuItem6,
																					this.cmiRestore,
																					this.menuItem5,
																					this.cmiExit});
			this.cmiMain.Popup += new System.EventHandler(this.cmiMain_Popup);
			// 
			// cmiPause
			// 
			this.cmiPause.Index = 0;
			this.cmiPause.Text = "Pause";
			this.cmiPause.Click += new System.EventHandler(this.cmiPause_Click);
			// 
			// cmiResume
			// 
			this.cmiResume.Enabled = false;
			this.cmiResume.Index = 1;
			this.cmiResume.Text = "Resume";
			this.cmiResume.Click += new System.EventHandler(this.cmiResume_Click);
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 2;
			this.menuItem6.Text = "-";
			// 
			// cmiRestore
			// 
			this.cmiRestore.Index = 3;
			this.cmiRestore.Text = "Restore";
			this.cmiRestore.Click += new System.EventHandler(this.cmiRestore_Click);
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 4;
			this.menuItem5.Text = "-";
			// 
			// cmiExit
			// 
			this.cmiExit.Index = 5;
			this.cmiExit.Text = "Exit";
			this.cmiExit.Click += new System.EventHandler(this.cmiExit_Click);
			// 
			// tbrPollingTimer
			// 
			this.tbrPollingTimer.Location = new System.Drawing.Point(224, 24);
			this.tbrPollingTimer.Minimum = 1;
			this.tbrPollingTimer.Name = "tbrPollingTimer";
			this.tbrPollingTimer.Size = new System.Drawing.Size(208, 45);
			this.tbrPollingTimer.TabIndex = 3;
			this.tbrPollingTimer.Value = 5;
			this.tbrPollingTimer.ValueChanged += new System.EventHandler(this.tbrPollingTimer_ValueChanged);
			// 
			// tbrVoteCounts
			// 
			this.tbrVoteCounts.Location = new System.Drawing.Point(224, 88);
			this.tbrVoteCounts.Minimum = 1;
			this.tbrVoteCounts.Name = "tbrVoteCounts";
			this.tbrVoteCounts.Size = new System.Drawing.Size(208, 45);
			this.tbrVoteCounts.TabIndex = 4;
			this.tbrVoteCounts.Value = 5;
			this.tbrVoteCounts.ValueChanged += new System.EventHandler(this.tbrVoteCounts_ValueChanged);
			// 
			// tmrPolling
			// 
			this.tmrPolling.Tick += new System.EventHandler(this.timer1_Tick);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(224, 8);
			this.label1.Name = "label1";
			this.label1.TabIndex = 5;
			this.label1.Text = "Polling Timer (Sec)";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(224, 72);
			this.label2.Name = "label2";
			this.label2.TabIndex = 6;
			this.label2.Text = "False Count";
			// 
			// panel1
			// 
			this.panel1.Controls.Add(this.rbProfile);
			this.panel1.Controls.Add(this.rbFront);
			this.panel1.Location = new System.Drawing.Point(224, 128);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(208, 40);
			this.panel1.TabIndex = 7;
			// 
			// rbProfile
			// 
			this.rbProfile.Location = new System.Drawing.Point(112, 8);
			this.rbProfile.Name = "rbProfile";
			this.rbProfile.Size = new System.Drawing.Size(88, 24);
			this.rbProfile.TabIndex = 1;
			this.rbProfile.Text = "Profile";
			this.rbProfile.CheckedChanged += new System.EventHandler(this.rb_CheckedChanged);
			// 
			// rbFront
			// 
			this.rbFront.Checked = true;
			this.rbFront.Location = new System.Drawing.Point(16, 8);
			this.rbFront.Name = "rbFront";
			this.rbFront.TabIndex = 0;
			this.rbFront.TabStop = true;
			this.rbFront.Text = "Front";
			this.rbFront.CheckedChanged += new System.EventHandler(this.rb_CheckedChanged);
			// 
			// frmFaceDetection
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(434, 168);
			this.Controls.Add(this.panel1);
			this.Controls.Add(this.tbrVoteCounts);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.tbrPollingTimer);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.ctlDxCam1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.MaximizeBox = false;
			this.Name = "frmFaceDetection";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "Intelligent Screen Saver [Face Detection]";
			this.Resize += new System.EventHandler(this.frmFaceDetection_Resize);
			this.Closing += new System.ComponentModel.CancelEventHandler(this.frmFaceDetection_Closing);
			this.Load += new System.EventHandler(this.frmFaceDetection_Load);
			((System.ComponentModel.ISupportInitialize)(this.tbrPollingTimer)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.tbrVoteCounts)).EndInit();
			this.panel1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private string filename = string.Empty;
		private clsFaceDetectionWrapper faceLocator 
			= clsFaceDetectionWrapper.GetSingletonInstance();

		#region DEPCRECATED
//		private void btnLoadPicture_Click(object sender, System.EventArgs e)
//		{
//			if(openFileDialog1.ShowDialog()==DialogResult.OK)
//			{
//				pbPicture.ResumeLayout(true);
//
//				filename = openFileDialog1.FileName;
//				if(pbPicture.Image!=null) pbPicture.Image.Dispose();
//				pbPicture.Image = new Bitmap(filename);
//
//				this.Height=pbPicture.Height+50;
//				this.Width=pbPicture.Width+170;
//			}
//		}
//
//		private void btnFace_Click(object sender, System.EventArgs e)
//		{
//			if(pbPicture.Image==null)
//			{
//				MessageBox.Show("Please load an image file first");
//			}
//			else
//			{
//				pbPicture.ResumeLayout(true);
//
//				int mIndex = faceLocator.WrapDetectFaces((Bitmap)pbPicture.Image);
//				if(mIndex>0)
//				{
//					try
//					{
//						Graphics g = Graphics.FromHwnd(pbPicture.Handle);
//						
//						Pen p = new Pen(Color.Red, 5.0f);
//						unsafe
//						{
//							int lx = new Int32(); int ly = new Int32();
//							int rx = new Int32(); int ry = new Int32();
//							for( int i=0 ; i < mIndex ; i++ )
//							{
//								faceLocator.WrapGetFaceCordinates(i,&lx,&ly,&rx,&ry);
//								g.DrawRectangle(p,(float)(lx),(float)(ly),(float)(rx),(float)(ry));																						
//							}
//						}
//						System.Drawing.Drawing2D.GraphicsState gs = g.Save();						
//						g.Dispose();
//						p.Dispose();
//					}
//					catch
//					{
//						MessageBox.Show("Unexpected error has occured");
//					}
//				}
//			}
//		}
//
//		private void btnEye_Click(object sender, System.EventArgs e)
//		{
//			if(pbPicture.Image==null)
//			{
//				MessageBox.Show("Please load an image file first");
//			}
//			else
//			{
//				//int mIndex = clsFaceDetectionWrapper.GetSingletonInstance().DetectFaces((Bitmap)pbPicture.Image);
//				//if(mIndex>0)
//				{
//					Graphics g = Graphics.FromImage(pbPicture.Image);
//					Pen p = new Pen(Color.Red, 2.0f);
//					unsafe
//					{
//						int lx = new Int32(); int ly = new Int32();
//						int rx = new Int32(); int ry = new Int32();
//						for( int i=0 ; i < 1 ; i++ )
//						{
//							//clsFaceDetectionWrapper.GetSingletonInstance().GetEyeCordinates(i,&lx,&ly,&rx,&ry);
//							g.DrawRectangle(p,(float)(lx),(float)(ly),(float)(rx),(float)(ry));
//						}
//					}
//					g.Dispose();
//					p.Dispose();
//				}
//			}
//		}
//
		#endregion DEPCRECATE

		System.Drawing.Bitmap LatestFrame;
		private static object lockingObject = new object();
		private void pbPicture_NewFrameEvent(System.Drawing.Bitmap Frame)
		{
			if(!CommonVariables._theMainThread.IsRunning)
				CommonVariables._theMainThread.Start();

			lock(lockingObject)
			{
				if(LatestFrame!=null)
				{
					LatestFrame.Dispose();				
				}

				LatestFrame = Frame;
			}
		}

		private void timer1_Tick(object sender, System.EventArgs e)
		{
			tmrPolling.Enabled = false;
			
			if(CommonVariables.IsConsumed)
			{
				lock(lockingObject)
				{
					if(LatestFrame!=null)
					CommonVariables.FaceDetected = 
						(faceLocator.WrapDetectFaces(LatestFrame)>0);				
				}
			}

			if(ScreenSaverHandler.IsScreenSaverRunning())
				tmrPolling.Interval = 1000;
			else
				tmrPolling.Interval = (CommonVariables.PollingTimer*1000);

			tmrPolling.Enabled = true;
		}

		private void cmiPause_Click(object sender, System.EventArgs e)
		{
			CommonVariables._theMainThread.Pause();
		}

		private void cmiResume_Click(object sender, System.EventArgs e)
		{
			CommonVariables._theMainThread.Resume();
		}

		private void cmiExit_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void frmFaceDetection_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			tmrPolling.Enabled = false;
			ScreenSaverHandler.SetScreenSaverTimeout(99999);//10 minutes
			ctlDxCam1.Stop();
			CommonVariables._theMainThread.Stop();
			niSystemTrayIcon.Visible = false;
		}

		private void frmFaceDetection_Load(object sender, System.EventArgs e)
		{
			//LatestFrame = new Bitmap(@"D:\FACEREC\RAW\{2513FA3C-ECFC-4781-805F-A21FADBB7778}5.jpg");
			ctlDxCam1.Start();
			tmrPolling.Enabled = true;
		}

		private void tbrPollingTimer_ValueChanged(object sender, System.EventArgs e)
		{
			CommonVariables.PollingTimer = (int)tbrPollingTimer.Value;
		}

		private void tbrVoteCounts_ValueChanged(object sender, System.EventArgs e)
		{
			CommonVariables.MinVoteRequired = (int)tbrVoteCounts.Value;
		}

		private void cmiMain_Popup(object sender, System.EventArgs e)
		{
			cmiPause.Enabled = !CommonVariables._theMainThread.IsSuspended;
			cmiResume.Enabled = CommonVariables._theMainThread.IsSuspended;
			cmiRestore.Enabled = (this.WindowState == FormWindowState.Minimized);
		}

		private void frmFaceDetection_Resize(object sender, System.EventArgs e)
		{
			if(this.WindowState == FormWindowState.Minimized)
			{
				this.Hide();
			}
		}

		private void cmiRestore_Click(object sender, System.EventArgs e)
		{
			if(this.WindowState == FormWindowState.Minimized)
			{
				this.Show();
				this.WindowState = FormWindowState.Normal;
				this.Size = new Size(440,200);				
			}
		}

		private void rb_CheckedChanged(object sender, System.EventArgs e)
		{
			if(rbFront.Checked) faceLocator.WrapSetFaceDetectionMode(0);
			else faceLocator.WrapSetFaceDetectionMode(1);
		}
	}
}