barcodepdf417.cs

C# 製做的PDF417二維條碼生成程序,可根據輸入的資料自動生成二維條碼

			{
				return this.m_BackColor;
			}
			set
			{
				this.m_BackColor = value;
				base.Invalidate ();
			}
		}
		
		[Category ("PDF417")]
		[DefaultValue (enumBorderStyle.bsNoBorder)]
		public enumBorderStyle BorderStyle
		
		{
			get
			{
				return this.m_BorderStyle;
			}
			set
			{
				this.m_BorderStyle = value;
				base.Invalidate ();
			}
		}
		
		[Category ("PDF417")]
		public Metafile ImageData
		
		{
			get
			{
				Metafile theMetafile1;
				IntPtr theIntPtr1;
				this.g = base.CreateGraphics ();
				theIntPtr1 = this.g.GetHdc ();
				theMetafile1 = new Metafile ("", theIntPtr1);
				this.g.ReleaseHdc (theIntPtr1);
				this.g.Dispose ();
				this.g = Graphics.FromImage (theMetafile1);
				this.DoubleDraw ();
				this.g.Dispose ();
				return theMetafile1;
			}
		}
		
		[Category ("PDF417")]
		[DefaultValue ("aTiRuZ")]
		public string Data
		
		{
			get
			{
				return this.m_Data;
			}
			set
			{
				this.m_Data = value;
				base.Invalidate ();
			}
		}
		
		[DefaultValue (0.019F)]
		[Category ("PDF417")]
		public float NarrowBarWidth
		
		{
			get
			{
				return this.m_ModuleWidth;
			}
			set
			{
				this.m_ModuleWidth = value;
				base.Invalidate ();
			}
		}
		
		[DefaultValue (enumOrientation.or0)]
		[Category ("PDF417")]
		public enumOrientation Orientation
		
		{
			get
			{
				return m_Orientation;
			}
			set
			{
				m_Orientation = value;
				base.Invalidate();
				return;
			}
		}
		
		[Category ("PDF417")]
		[DefaultValue (13)]
		public short PDFColumns
		
		{
			get
			{
				return m_Columns;
			}
			set
			{
				m_Columns = value;
				base.Invalidate();
				return;
			}
		}
		
		[DefaultValue (30)]
		[Category ("PDF417")]
		public short PDFRows
		
		{
			get
			{
				return m_Rows;
			}
			set
			{
				m_Rows = value;
				base.Invalidate();
				return;
			}
		}
		
		[Description ("Truncate Symbol")]
		[Category ("PDF417")]
		[DefaultValue (false)]
		public bool TruncatedSymbol
		
		{
			get
			{
				return m_TruncatedSymbol;
			}
			set
			{
				m_TruncatedSymbol = value;
				base.Invalidate();
				return;
			}
		}
		
		[Category ("PDF417")]
		[DefaultValue (enumSecurity.seLevel_5)]
		public enumSecurity ErrorCorrectionLevel
		
		{
			get
			{
				return m_ErrorCorrectionLevel;
			}
			set
			{
				m_ErrorCorrectionLevel = value;
				m_SecurityLevel = ((short)(m_ErrorCorrectionLevel));
				base.Invalidate();
				return;
			}
		}
		
		[Category ("PDF417")]
		[DefaultValue (4F)]
		[Description ("XtoYRatio")]
		public float XtoYRatio
		
		{
			get
			{
				return m_XtoYRatio;
			}
			set
			{
				m_XtoYRatio = value;
				base.Invalidate();
				return;
			}
		}
		
		#endregion
		
		#region Methods
		
		private void InitializeComponent ()
		
		{
			// 
			// BarcodePDF417
			// 
			this.Name = "BarcodePDF417";

		}
		
		public void SaveAsImage (string FileName, ImageFormat ImgFormat)
		
		{
			Bitmap theBitmap1;
			theBitmap1 = new Bitmap (base.Width, base.Height, PixelFormat.Format24bppRgb);
			this.g = Graphics.FromImage (theBitmap1);
			this.DoubleDraw ();
			theBitmap1.Save (FileName, ImgFormat);
			this.g.Dispose ();
			theBitmap1.Dispose ();
		}
		
		public void Render (Graphics renderG, Rectangle areaRc)
		
		{
			this.m_WidthPixels = ((short) areaRc.Width);
			this.m_HeightPixels = ((short) areaRc.Height);
			this.m_LeftPixels = ((short) areaRc.Left);
			this.m_TopPixels = ((short) areaRc.Top);
			this.g = renderG;
			try
			{
				try
				{
					this.DoubleDraw ();
				}
				catch (Exception)
				{
				}
			}
			finally
			{
				GC.Collect ();
			}
		}
		
		private void GeneralDraw ()
		
		{
			int theInt32_2;
			short theInt16_3;
			short theInt16_2;
			short theInt16_1;
			string theString1;
			int theInt32_1;
			if (! this.m_FirstDraw)
			{
				this.g.FillRectangle (this.m_BackBrush, ((int) this.m_LeftPixels), ((int) this.m_TopPixels), ((int) this.m_WidthPixels), ((int) this.m_HeightPixels));
			}
			if ((this.m_Orientation == enumOrientation.or0) || (this.m_Orientation == enumOrientation.or180))
			{
				this.m_CurrX = this.m_LeftMargainPixels;
				this.m_CurrY = this.m_TopMargainPixels;
			}
			else
			{
				this.m_CurrX = this.m_TopMargainPixels;
				this.m_CurrY = this.m_LeftMargainPixels;
			}
			if (this.m_FirstDraw)
			{
				this.BinaryCompact ();
			}
			theInt32_1 = 0;
			theString1 = null;
			for (theInt16_1 = 0; (theInt16_1 < this.m_RuntimeRows); theInt16_1 = ((short) (theInt16_1 + 1)))
			{
				if ((this.m_Orientation == enumOrientation.or0) || (this.m_Orientation == enumOrientation.or180))
				{
					this.m_CurrX = this.m_LeftMargainPixels;
				}
				else
				{
					this.m_CurrX = this.m_TopMargainPixels;
				}
				theInt16_2 = ((short) (theInt16_1 * this.m_ModuleHeightPixels));
				theInt16_3 = ((short) (- (((this.m_RuntimeRows - theInt16_1) - 1) * this.m_ModuleHeightPixels)));
				theString1 = this.GetPattern (130728);
				this.DrawChar ("bwbwbwbw", theString1, theInt16_2, theInt16_3);
				theString1 = this.GetPattern (BarcodePDF417.PDF417_BITS[(theInt16_1 % 3), ((int) this.GetRowStart (theInt16_1))]);
				this.DrawChar ("bwbwbwbw", theString1, theInt16_2, theInt16_3);
				for (theInt32_2 = 0; (theInt32_2 < this.m_Columns); theInt32_2 += 1)
				{
					theString1 = this.GetPattern (BarcodePDF417.PDF417_BITS[(theInt16_1 % 3), ((int) this.m_EncodedData[theInt32_1++])]);
					this.DrawChar ("bwbwbwbw", theString1, theInt16_2, theInt16_3);
				}
				if (! this.m_TruncatedSymbol)
				{
					theString1 = this.GetPattern (BarcodePDF417.PDF417_BITS[(theInt16_1 % 3), ((int) this.GetRowEnd (theInt16_1))]);
					this.DrawChar ("bwbwbwbw", theString1, theInt16_2, theInt16_3);
					this.DrawChar ("bwbwbwbwb", "711311121", theInt16_2, theInt16_3);
				}
				else
				{
					this.DrawChar ("bw", "11", theInt16_2, theInt16_3);
				}
				this.m_CurrY = ((short) (this.m_CurrY + this.m_ModuleHeightPixels));
			}
		}
		
		private void DoubleDraw ()
		
		{
			this.g.PageUnit = GraphicsUnit.Pixel;
			if ((this.m_Orientation == enumOrientation.or0) || (this.m_Orientation == enumOrientation.or180))
			{
				this.m_ResX = this.g.DpiX;
				this.m_ResY = this.g.DpiY;
			}
			else
			{
				this.m_ResX = this.g.DpiY;
				this.m_ResY = this.g.DpiX;
			}
			if (((double) this.m_ModuleWidth) != 0D)
			{
				this.m_NarrowBarPixels = ((short) (((double) (this.m_ResX * this.m_ModuleWidth)) / 2.54D));
			}
			this.m_ModuleHeightPixels = ((short) (((double) ((this.m_XtoYRatio * this.m_ResX) * this.m_ModuleWidth)) / 2.54D));
			this.m_WideBarPixels = ((short) (((double) this.m_NarrowBarPixels) * 2D));
			if (this.m_NarrowBarPixels <= 0)
			{
				this.m_NarrowBarPixels = 1;
			}
			if (this.m_WideBarPixels <= 1)
			{
				this.m_WideBarPixels = ((short) (((double) this.m_NarrowBarPixels) * 2D));
			}
			this.m_TopMargainPixels = 0;
			this.m_LeftMargainPixels = 0;
			this.m_FirstDraw = true;
			this.m_BackBrush = new SolidBrush (this.m_BackColor);
			this.m_BarBrush = new SolidBrush (this.m_BarColor);
			this.GeneralDraw ();
			this.m_BarHeightPixels = this.m_CurrY;
			if ((this.m_Orientation == enumOrientation.or0) || (this.m_Orientation == enumOrientation.or180))
			{
				this.m_TopMargainPixels = ((short) ((this.m_HeightPixels - this.m_CurrY) / 2));
				this.m_LeftMargainPixels = ((short) ((this.m_WidthPixels - this.m_CurrX) / 2));
			}
			else
			{
				this.m_LeftMargainPixels = ((short) ((this.m_WidthPixels - this.m_CurrY) / 2));
				this.m_TopMargainPixels = ((short) ((this.m_HeightPixels - this.m_CurrX) / 2));
			}
			if (this.m_LeftMargainPixels < 0)
			{
				this.m_LeftMargainPixels = 0;
			}
			if (this.m_TopMargainPixels < 0)
			{
				this.m_TopMargainPixels = 0;
			}
			this.m_FirstDraw = false;
			this.GeneralDraw ();
			if (this.m_BorderStyle == enumBorderStyle.bsDashBorder)
			{
				this.DrawBorder (false);
			}
			else if (this.m_BorderStyle == enumBorderStyle.bsSolidBorder)
			{
				this.DrawBorder (true);
			}
			this.m_BackBrush.Dispose ();
			this.m_BarBrush.Dispose ();
		}
		
		private int FindCoef (int index)