Fuzzy Logic Dot Net Sample

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


namespace FuzzyGraphic
{
	/// <summary>
	/// Summary description for UserControl1.
	/// </summary>
	public class FuzzyGraphic : System.Windows.Forms.UserControl
	{
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		private Color backGroundColor;
		Bitmap bitmap;
		int nBitmapXPos = 0;
		int nBitmapYPos = 0;


		public Color BackGroundColor
		{
			get
			{
				return backGroundColor;
			}
			set
			{
				backGroundColor = value;
			}
		}

		public int BitmapXPos
		{
			get
			{
				return nBitmapXPos;
			}
			set
			{
				nBitmapXPos = value;
			}
		}

		public int BitmapYPos
		{
			get
			{
				return nBitmapYPos;
			}
			set
			{
				nBitmapYPos = value;
			}
		}

		public FuzzyGraphic()
		{
			// This call is required by the Windows.Forms Form Designer.
			InitializeComponent();

			backGroundColor = Color.Blue;
			bitmap = new Bitmap( "..\\..\\..\\pointer.bmp" );
			bitmap.MakeTransparent( Color.Black ); 			

		}

		/// <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 Component 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()
		{
			// 
			// FuzzyGraphic
			// 
			this.Name = "FuzzyGraphic";
			this.Size = new System.Drawing.Size(152, 150);
			this.SizeChanged += new System.EventHandler(this.OnSizeChanged);
			this.Paint += new System.Windows.Forms.PaintEventHandler(this.OnPaint);

		}
		#endregion

		private void OnSizeChanged(object sender, System.EventArgs e)
		{
			this.Invalidate();
		}

		private void OnPaint(object sender, System.Windows.Forms.PaintEventArgs e)
		{
			Graphics grfx = e.Graphics;
			Pen pen = new Pen( Color.Black );
			SolidBrush brush = new SolidBrush( Color.Black );
			Font font = new Font( this.Font, this.Font.Style );
			int nSize = this.Width / 10;
			int nFontHeight = ( int )this.Font.GetHeight();
		
			/// set the position
			float fUnit = this.Width / 100;
			float fTenth = this.Width / 10;
			float fIncrement = 0;

			if( BitmapXPos > 0 )
			{
				if( BitmapXPos % 10 != 0 )
				{
					fIncrement = ( BitmapXPos / 10 ) * fTenth +  ( ( BitmapXPos % 10 ) * fUnit );
				}
				if( BitmapXPos % 10 == 0 )
				{
					fIncrement = ( BitmapXPos / 10 ) * fTenth;
				}
			}
			else
				fIncrement = 0;




			/// set the background color
			/// Test Code for the background Color
			Color testColor = BackGroundColor;

			int nBlue = testColor.B;
			int nRed = testColor.R;
			int nGreen = testColor.G;

			if( BitmapXPos > 0 && BitmapXPos <= 10 )
			{
				nBlue = 255;
				nRed = 0;
			}
			else if( BitmapXPos > 11 && BitmapXPos <= 20 )
			{
				nBlue = 200;
				nRed = 50;
			}
			else if( BitmapXPos > 21 && BitmapXPos <= 30 )
			{
				nBlue = 175;
				nRed = 100;
			}
			else if( BitmapXPos > 31 && BitmapXPos <= 40 )
			{
				nBlue = 150;
				nRed = 125;

			}
			else if( BitmapXPos > 41 && BitmapXPos <= 50 )
			{
				nBlue = 125;
				nRed = 150;
			}
			else if( BitmapXPos > 51 && BitmapXPos <= 60 )
			{
				nBlue = 100;
				nRed = 175;
			}
			else if( BitmapXPos > 61 && BitmapXPos < 70 )
			{
				nBlue = 75;
				nRed = 200;
			}
			else if( BitmapXPos > 71 && BitmapXPos < 80 )
			{
				nBlue = 50;
				nRed = 225;
			}
			else if( BitmapXPos > 81 && BitmapXPos < 90 )
			{
				nBlue = 25;
				nRed = 255;
			}
			else if( BitmapXPos > 91 )
			{
				nBlue = 0;
				nRed = 255;
			}

			testColor = Color.FromArgb( testColor.A, Color.FromArgb( nRed, testColor.G, nBlue ) ); 

			BackGroundColor = testColor;

			this.BackColor = BackGroundColor;


			/// display the bitmap ( the minused number is to correct for the size of the bitmap )
			grfx.DrawImage( bitmap, fIncrement - 15, BitmapYPos );


			/// draw the grid
			grfx.DrawString( "Temperature Gradient", font, brush, this.Left, this.Top );
			grfx.DrawString( "0", font, brush, this.Left - 5, this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Left, this.Bottom - 20 - nFontHeight, this.Left, this.Top + nFontHeight + 3 ); 
			grfx.DrawString( "10", font, brush, this.Left + nSize - 5, this.Bottom - 15 - nFontHeight ); 
			grfx.DrawLine( pen, this.Left + nSize, this.Bottom - 20 - nFontHeight, this.Left + nSize, this.Top + nFontHeight + 3 );
			grfx.DrawString( "20", font, brush, this.Left + ( nSize * 2 ) - 5, this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Left + ( nSize * 2 ), this.Bottom - 20 - nFontHeight, this.Left + ( nSize * 2 ), this.Top + nFontHeight + 3 );
			grfx.DrawString( "30", font, brush, this.Left + ( nSize * 3 ) - 5, this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Left + ( nSize * 3 ), this.Bottom - 20 - nFontHeight, this.Left + ( nSize * 3 ), this.Top + nFontHeight + 3 );
			grfx.DrawString( "40", font, brush, this.Left + ( nSize * 4 ) - 5, this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Left + ( nSize * 4 ), this.Bottom - 20 - nFontHeight, this.Left + ( nSize * 4 ), this.Top + nFontHeight + 3 );
			grfx.DrawString( "50", font, brush, this.Left + ( nSize * 5 ) - 5, this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Left + ( nSize * 5 ), this.Bottom - 20 - nFontHeight, this.Left + ( nSize * 5 ), this.Top + nFontHeight + 3 );
			grfx.DrawString( "60", font, brush, this.Left + ( nSize * 6 ) - 5, this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Left + ( nSize * 6 ), this.Bottom - 20 - nFontHeight, this.Left + ( nSize * 6 ), this.Top + nFontHeight + 3 );
			grfx.DrawString( "70", font, brush, this.Left + ( nSize * 7 ) - 5, this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Left + ( nSize * 7 ), this.Bottom - 20 - nFontHeight, this.Left + ( nSize * 7 ), this.Top + nFontHeight + 3 );
			grfx.DrawString( "80", font, brush, this.Left + ( nSize * 8 ) - 5, this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Left + ( nSize * 8 ), this.Bottom - 20 - nFontHeight, this.Left + ( nSize * 8 ), this.Top + nFontHeight + 3 );
			grfx.DrawString( "90", font, brush, this.Left + ( nSize * 9 ) - 5, this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Left + ( nSize * 9 ), this.Bottom - 20 - nFontHeight, this.Left + ( nSize * 9 ), this.Top + nFontHeight + 3 );
			grfx.DrawString( "100", font, brush, this.Right - ( font.Size * 4 ), this.Bottom - 15 - nFontHeight );
			grfx.DrawLine( pen, this.Right - ( font.Size * 2 ), this.Bottom - 20 - nFontHeight, this.Right - ( font.Size * 2 ), this.Top + nFontHeight + 3 );

		}

	}
}