using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using ConsoleApplication16;
using System.Drawing.Drawing2D;

namespace TestCS
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		public System.Windows.Forms.Label lblStatus;
		private System.Windows.Forms.Label label2;
		public System.Windows.Forms.Label lblConfig;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label1;
		public System.Windows.Forms.Label lblFileConfig;
		private System.Windows.Forms.Label lblChannels;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.PictureBox picPlot;
		private System.Windows.Forms.Label label4;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

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

		/// <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.button1 = new System.Windows.Forms.Button();
			this.lblStatus = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.lblConfig = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.lblFileConfig = new System.Windows.Forms.Label();
			this.lblChannels = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.picPlot = new System.Windows.Forms.PictureBox();
			this.label4 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(24, 16);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(160, 24);
			this.button1.TabIndex = 0;
			this.button1.Text = "Run DPPAPI Tests";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// lblStatus
			// 
			this.lblStatus.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.lblStatus.Location = new System.Drawing.Point(256, 8);
			this.lblStatus.Name = "lblStatus";
			this.lblStatus.Size = new System.Drawing.Size(176, 144);
			this.lblStatus.TabIndex = 1;
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(192, 8);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(56, 16);
			this.label2.TabIndex = 2;
			this.label2.Text = "Status";
			this.label2.TextAlign = System.Drawing.ContentAlignment.TopRight;
			// 
			// lblConfig
			// 
			this.lblConfig.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.lblConfig.Location = new System.Drawing.Point(440, 32);
			this.lblConfig.Name = "lblConfig";
			this.lblConfig.Size = new System.Drawing.Size(192, 392);
			this.lblConfig.TabIndex = 3;
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(440, 8);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(160, 16);
			this.label3.TabIndex = 4;
			this.label3.Text = "DPP Initial Configuration";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(640, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(112, 16);
			this.label1.TabIndex = 6;
			this.label1.Text = "File Configuration";
			// 
			// lblFileConfig
			// 
			this.lblFileConfig.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.lblFileConfig.Location = new System.Drawing.Point(640, 32);
			this.lblFileConfig.Name = "lblFileConfig";
			this.lblFileConfig.Size = new System.Drawing.Size(176, 392);
			this.lblFileConfig.TabIndex = 5;
			// 
			// lblChannels
			// 
			this.lblChannels.Location = new System.Drawing.Point(83, 56);
			this.lblChannels.Name = "lblChannels";
			this.lblChannels.Size = new System.Drawing.Size(88, 16);
			this.lblChannels.TabIndex = 7;
			// 
			// label5
			// 
			this.label5.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.label5.Location = new System.Drawing.Point(21, 56);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(52, 16);
			this.label5.TabIndex = 8;
			this.label5.Text = "Channels";
			this.label5.TextAlign = System.Drawing.ContentAlignment.TopRight;
			// 
			// picPlot
			// 
			this.picPlot.Location = new System.Drawing.Point(16, 168);
			this.picPlot.Name = "picPlot";
			this.picPlot.Size = new System.Drawing.Size(424, 256);
			this.picPlot.TabIndex = 9;
			this.picPlot.TabStop = false;
			// 
			// label4
			// 
			this.label4.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.label4.Location = new System.Drawing.Point(8, 144);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(96, 16);
			this.label4.TabIndex = 10;
			this.label4.Text = "Spectrum Plot";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(824, 438);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.picPlot);
			this.Controls.Add(this.label5);
			this.Controls.Add(this.lblChannels);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.lblFileConfig);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.lblConfig);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.lblStatus);
			this.Controls.Add(this.button1);
			this.Name = "Form1";
			this.Text = "CSharp DPPAPI Example";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			int[] DataBuffer;
			int iNumChan = 0;
			string strChan = "";
			DataBuffer = Measurements(this.lblStatus, this.lblConfig, this.lblFileConfig, this.lblChannels);
			strChan = this.lblChannels.Text;
			if (strChan.Length > 0) 
			{
				iNumChan = int.Parse(strChan);
				PlotData(DataBuffer, iNumChan, false);
			}
		}

		//static long[] Measurements(string strStat, string strCfg)
		static int[] Measurements(System.Windows.Forms.Label lblStat, System.Windows.Forms.Label lblDppCfg, System.Windows.Forms.Label lblFileCfg, System.Windows.Forms.Label lblChannels)
		{
			unsafe
			{
				void* openDppApi;
				int NumDevice;
				int NumChan;
				int[] DataBuffer = new int[8192];
				byte[] szStatus = new byte[2000];
				byte[] szConfig = new byte[2000];
				byte[] szConfigFile = new byte[2000];

				openDppApi = forDLL.OpenDppApi();
				NumDevice = forDLL.OpenUSBDevice(openDppApi);
				forDLL.GetStatusString(openDppApi, 1, szStatus, 2000);	// get device status display string
				string strStatus = System.Text.Encoding.UTF8.GetString(szStatus);
				lblStat.Text = strStatus;
				//MessageBox.Show(strStatus, "Status", MessageBoxButtons.OK, MessageBoxIcon.Stop);
				forDLL.GetConfigFromDpp(openDppApi);

				forDLL.GetConfigString(openDppApi, szConfig, 2000);	// get device config display string
				string strDppCfg = System.Text.Encoding.UTF8.GetString(szConfig);
				lblDppCfg.Text = strDppCfg;

				string strAppPath = Environment.CurrentDirectory;
				string strCfgFilename = strAppPath + @"\DPP.cfg";
				byte[] szCfgFilename = System.Text.Encoding.UTF8.GetBytes(strCfgFilename);
				forDLL.GetConfigFromFile(openDppApi,szCfgFilename,(int)szCfgFilename.Length,forDLL.DPPDP5);

				forDLL.GetConfigString(openDppApi, szConfigFile, 2000);	// get device config display string
				string strDppCfgFile = System.Text.Encoding.UTF8.GetString(szConfigFile);
				lblFileCfg.Text = strDppCfgFile;

				forDLL.SendConfigToDpp(openDppApi);
				NumChan = forDLL.GetDppData(openDppApi, DataBuffer);
				lblChannels.Text = NumChan.ToString();

				forDLL.CloseUSBDevice(openDppApi);
				forDLL.CloseDppApi(openDppApi);
				return DataBuffer;
			}
		}


		//-------------------------------------------------------------------
		// PlotData
		// Calculates and saves the plot buffer data then calls UpdatePlot
		// OptScaleType = false; //linear
		// OptScaleType = true;  //log
		//-------------------------------------------------------------------
		public void PlotData(int[] DataBuffer, int NumChan, bool OptScaleType)
		{
			int i;
			long YMAX;
			long XPlotMAX;
			long YPlotMAX;
			int[] PlotBuffer = new int[8192];
		   
			XPlotMAX = NumChan - 1;
			if (NumChan > 0) 
			{						//if number of channels > 0 plot data
				YMAX = 0;
				for(i = 0; i < NumChan; i++) 
				{		//get the largest value to be displayed
					if (OptScaleType) 
					{				//get the Y maximum value for the select scale  
						if (Math.Log(0.1 + DataBuffer[i]) > YMAX) { YMAX = (int)Math.Log(0.1 + DataBuffer[i]); }
					} 
					else 
					{
						if (DataBuffer[i] > YMAX) { YMAX = DataBuffer[i]; }
					}
				}
				if (YMAX < 1) { return; }			//if no y scale exit sub
				if (OptScaleType) 
				{					//adjust plot to include entire high peak
					YMAX = (YMAX * 10) + 10;
				} 
				else 
				{
					if (YMAX < 20) 
					{
						YMAX = YMAX + 2;
					} 
					else 
					{
						YMAX = YMAX + 10;
					}
				}
				for (i = 0; i < NumChan;i++ ) 
				{		//get the largest value to be displayed
					if (OptScaleType) 
					{
						PlotBuffer[i] = (int)Math.Log(0.1 + DataBuffer[i]) * 10;
					} 
					else 
					{
						PlotBuffer[i] = DataBuffer[i];
					}
				}
				YPlotMAX = YMAX;
				UpdatePlot(PlotBuffer,XPlotMAX,YPlotMAX);
			}
		}

		//-------------------------------------------------------------------
		// UpdatePlot
		// Draws the plot display with the current plot buffer
		//-------------------------------------------------------------------
		private void UpdatePlot(int[] PlotBuffer, long XPlotMAX, long YPlotMAX)
		{

			picPlot.CreateGraphics().Clear(this.BackColor);
			picPlot.Refresh();
			Graphics picGraphic = this.picPlot.CreateGraphics();
			Pen picPen = new Pen(Color.Red);
			//Pen picPen = new Pen(Color.Black);

			double XScaleFactor = (double) this.picPlot.Width;
			if (XPlotMAX > 0) XScaleFactor /= (double)(XPlotMAX + 1);
			//XScaleFactor *= 2;
			double YScaleFactor = (double) this.picPlot.Height;
			if (YPlotMAX > 0) YScaleFactor /= (double)(YPlotMAX + 1);
			int pH = this.picPlot.Height;
			//YScaleFactor *= -1.0;

			double x0, y0, x1, y1, x2, y2;
			x0 = 0; y0 = 0; y0++;
			for(int X=0; X<=XPlotMAX; X++) {
				x1 = X;
				y1 = PlotBuffer[X]; if (y1 < 0) { y1 = 0; }
				y1++;
				x2 = X + 1;
				y2 = PlotBuffer[X + 1]; if (y2 < 0) { y2 = 0; }
				y2++;
				picGraphic.DrawLine(picPen, (int)x0, pH - (int)y0, (int)(x1 * XScaleFactor), pH - (int)(y1 * YScaleFactor));
				picGraphic.DrawLine(picPen, (int)(x1 * XScaleFactor), pH - (int)(y1 * YScaleFactor), (int)(x2 * XScaleFactor), pH - (int)(y2 * YScaleFactor));
				picGraphic.DrawLine(picPen, (int)(x1 * XScaleFactor), pH - 0, (int)(x1 * XScaleFactor), pH - (int)(y1 * YScaleFactor));
				picGraphic.DrawLine(picPen, (int)(x2 * XScaleFactor), pH - 0, (int)(x2 * XScaleFactor), pH - (int)(y2 * YScaleFactor));
				x0 = (int)(x2 * XScaleFactor); y0 = (int)(y2 * YScaleFactor); y0++;
			}	
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
		
		}



	}
}