form1.cs

非常实用的条形码制作工具

			this.checkHiliteAddOn.CheckedChanged += new System.EventHandler(this.checkHilite_CheckedChanged);
			// 
			// checkHiliteWhole
			// 
			this.checkHiliteWhole.Location = new System.Drawing.Point(368, 384);
			this.checkHiliteWhole.Name = "checkHiliteWhole";
			this.checkHiliteWhole.Size = new System.Drawing.Size(56, 16);
			this.checkHiliteWhole.TabIndex = 18;
			this.checkHiliteWhole.Text = "Whole";
			this.checkHiliteWhole.CheckedChanged += new System.EventHandler(this.checkHilite_CheckedChanged);
			// 
			// label6
			// 
			this.label6.Location = new System.Drawing.Point(8, 384);
			this.label6.Name = "label6";
			this.label6.Size = new System.Drawing.Size(112, 16);
			this.label6.TabIndex = 19;
			this.label6.Text = "Highlight Rectangles:";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(488, 405);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.label6,
																		  this.checkHiliteWhole,
																		  this.checkHiliteAddOn,
																		  this.checkHiliteMain,
																		  this.editFont,
																		  this.linkFont,
																		  this.comboRotation,
																		  this.label5,
																		  this.editAddOnData,
																		  this.editData,
																		  this.label4,
																		  this.label3,
																		  this.comboBarcodeType,
																		  this.label2,
																		  this.buttonSaveImage,
																		  this.buttonPrint,
																		  this.label1,
																		  this.comboOrientation,
																		  this.barcodeControl1,
																		  this.listboxProperties});
			this.Name = "Form1";
			this.Text = "Barcode .Net Sample2  -  www.bokai.com";
			this.ResumeLayout(false);

		}
		#endregion

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

		// in units of 0.01 inch ("LOENGLISH")
		private RectangleF GetDrawingArea()
		{
			RectangleF rect;
			switch (barcodeControl1.Orientation) 
			{
				case BarcodeOrientation.LeftFacing:
				case BarcodeOrientation.RightFacing:
					rect = new RectangleF(80.0f, 40.0f, 60.0f, 180.0f);
					break;
				case BarcodeOrientation.BottomFacing:
				case BarcodeOrientation.TopFacing:
				default:
					rect = new RectangleF(40.0f, 80.0f, 180.0f, 60.0f);
					break;
			}
			return rect;
		}

		protected override void OnPaint(PaintEventArgs e)
		{
			base.OnPaint(e);
			if (comboRotation.SelectedIndex != 0)
				CustomPaint(e.Graphics, true);
			else
				SimplePaint(e.Graphics, true);
		}

		private void SimplePaint(Graphics g, bool onScreen)
		{
			// unit of measure is LOENGLISH, i.e., 0.01 inch:
			RectangleF rect = GetDrawingArea();

			// draw a blue reference rectangle on screen:
			if (onScreen)
			{
				g.PageUnit = GraphicsUnit.Inch;
				g.PageScale = 0.01f;
				g.DrawRectangle(Pens.Blue, rect.X, rect.Y, rect.Width, rect.Height);
			}

			// draw the barcode:
			// (In case of rotation, BarcodeDrawFlags.NoRestoreGraphicsState will cause to 
			// preserve transformation on Graphics so that we can HiliteRectangles)
			barcodeControl1.Draw(g, rect, GraphicsUnit.Inch, 0.01f, 
				barcodeControl1.Orientation, barcodeControl1.Font, barcodeControl1.ForeColor, 
				barcodeControl1.BackColor, _drawFlags | BarcodeDrawFlags.NoRestoreGraphicsState, null);
			// The above is the most sophiscated version of Draw(), where we pass in DrawFlags that
			// override corresponding properties. Alternatively, we could set properties
			// on barcodeControl1 and then call the below simplified version of Draw():
			// barcodeControl1.Draw(g, rect, GraphicsUnit.Inch, 0.01f, _drawFlags, null);

			if (onScreen) HiliteRectangles(g);
		}

		private void CustomPaint(Graphics g, bool onScreen)
		{
			// unit of measure is LOENGLISH, i.e., 0.01 inch:
			RectangleF rect = GetDrawingArea();

			g.PageUnit = GraphicsUnit.Inch;
			g.PageScale = 0.01f;

			float rotation = Single.Parse((string) comboRotation.SelectedItem);
			PointF rotateAt = new PointF(rect.X + rect.Width / 2, rect.Y + rect.Height / 2);
			System.Drawing.Drawing2D.Matrix matrix = g.Transform;
			if (matrix == null) matrix = new System.Drawing.Drawing2D.Matrix();
			matrix.RotateAt(rotation, rotateAt);
			g.Transform = matrix;

			// draw a blue reference rectangle on screen:
			if (onScreen)
				g.DrawRectangle(Pens.Blue, rect.X, rect.Y, rect.Width, rect.Height);

			// draw the barcode (GraphicsUnit.World: use caller's mapping mode):
			barcodeControl1.Draw(g, rect, GraphicsUnit.World, 1.0f, 
				barcodeControl1.Orientation, barcodeControl1.Font, barcodeControl1.ForeColor, 
				barcodeControl1.BackColor, _drawFlags, null);
			// The above is the most sophiscated version of Draw(), where we pass in DrawFlags that
			// override corresponding properties. Alternatively, we could set properties
			// on barcodeControl1 and then call the below simplified version of Draw():
			// barcodeControl1.Draw(g, rect, GraphicsUnit.Inch, 0.01f, _drawFlags, null);

			if (onScreen) HiliteRectangles(g);
		}

		private void HiliteRectangles(Graphics g)
		{
			if (checkHiliteWhole.Checked) g.DrawRectangle(Pens.Red, barcodeControl1.ActualRectangle.X, barcodeControl1.ActualRectangle.Y, barcodeControl1.ActualRectangle.Width, barcodeControl1.ActualRectangle.Height);
			if (checkHiliteMain.Checked) g.DrawRectangle(Pens.Red, barcodeControl1.ActualMainRectangle.X, barcodeControl1.ActualMainRectangle.Y, barcodeControl1.ActualMainRectangle.Width, barcodeControl1.ActualMainRectangle.Height);
			if (checkHiliteAddOn.Checked) g.DrawRectangle(Pens.Red, barcodeControl1.ActualAddOnRectangle.X, barcodeControl1.ActualAddOnRectangle.Y, barcodeControl1.ActualAddOnRectangle.Width, barcodeControl1.ActualAddOnRectangle.Height);
		}

		private void pd_PrintPage(object sender, PrintPageEventArgs e) 
		{
			if (comboRotation.SelectedIndex != 0)
				CustomPaint(e.Graphics, false);
			else
				SimplePaint(e.Graphics, false);
			e.HasMorePages = false ;
		}

		private void comboOrientation_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			barcodeControl1.Orientation = (BarcodeOrientation) (comboOrientation.SelectedIndex);
			this.Refresh();
		}

		private void linkFont_LinkClicked(object sender, System.Windows.Forms.LinkLabelLinkClickedEventArgs e)
		{
			FontDialog fontDialog = new FontDialog();

			fontDialog.ShowColor = true;
			fontDialog.Font = barcodeControl1.Font;
			fontDialog.Color = barcodeControl1.ForeColor;
			if (fontDialog.ShowDialog() == DialogResult.OK)
			{
				barcodeControl1.Font = fontDialog.Font;
				barcodeControl1.ForeColor = fontDialog.Color;

				editFont.ForeColor = barcodeControl1.ForeColor;
				editFont.Text = barcodeControl1.Font.Name;
				this.Refresh();
			}
		}

		private void listboxProperties_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			_drawFlags = 0;
			ListBox.SelectedObjectCollection items = listboxProperties.SelectedItems;
			for (int i = 0; i < items.Count; i++)
			{
				BarcodeDrawFlags flag = (BarcodeDrawFlags) items[i];
				_drawFlags |= flag;
			}

			this.Refresh();
		}

		private void comboBarcodeType_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			barcodeControl1.BarcodeType = (BarcodeType) (comboBarcodeType.SelectedIndex + 1);

			// for demo purposes, use default data consisting of all 0s
			barcodeControl1.UseDefaultData();
			barcodeControl1.UseDefaultAddOnData();

			editData.Text = barcodeControl1.Data;
			editAddOnData.Text = barcodeControl1.AddOnData;
			if ((barcodeControl1.Characteristics & BarcodeCharacteristics.HasAddOn) != 0)
				this.checkHiliteAddOn.Enabled = true;
			else
			{
				this.checkHiliteAddOn.Enabled = false;
				this.checkHiliteAddOn.Checked = false;
			}

			this.Refresh();
		}

		private void editData_TextChanged(object sender, System.EventArgs e)
		{
			try
			{
				barcodeControl1.Data = editData.Text;
			}
			catch (ArgumentException)
			{
			}
			this.Refresh();
		}

		private void editAddOnData_TextChanged(object sender, System.EventArgs e)
		{
			try
			{
				barcodeControl1.AddOnData = editAddOnData.Text;
			}
			catch (ArgumentException)
			{
			}
			this.Refresh();
		}

		private void comboRotation_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			// Use the Orientation property only if the rotation transform
			// is not in effect, in order not to get confused, even though they CAN 
			// work together
			if (comboRotation.SelectedIndex != 0)
			{
				comboOrientation.SelectedIndex = 0;
				comboOrientation.Enabled = false;
			}
			else
				comboOrientation.Enabled = true;
			this.Refresh();
		}

		private void buttonPrint_Click(object sender, System.EventArgs e)
		{
			PrintDocument pd = new PrintDocument();
			pd.PrintPage += new PrintPageEventHandler(this.pd_PrintPage);

			PrintDialog dlg = new PrintDialog() ;
			dlg.Document = pd;
			DialogResult result = dlg.ShowDialog();

			if (result == DialogResult.OK) 
			{
				pd.Print();
			}
		}

		private void buttonSaveImage_Click(object sender, System.EventArgs e)
		{
			System.IO.Stream myStream;
			SaveFileDialog fileDialog = new SaveFileDialog();

			fileDialog.Filter = "GIF files (*.gif)|*.gif|PNG files (*.png)|*.png|JPEG files (*.jpg;*.jpeg)|*.jpg;*.jpeg|BMP files (*.bmp;*.dib)|*.bmp;*.dib|TIFF files (*.tif)|*.tif";
			fileDialog.FilterIndex = 1;
			fileDialog.FileName = "sample2";
			fileDialog.RestoreDirectory = false;
			ImageFormat[] afmt = { ImageFormat.Gif, ImageFormat.Png, ImageFormat.Jpeg, ImageFormat.Bmp, ImageFormat.Tiff };

			if (fileDialog.ShowDialog() == DialogResult.OK)
			{
				if ((myStream = fileDialog.OpenFile())!= null)
				{
					int barcodeWidth = 1;
					int barcodeHeight = 50;
					barcodeControl1.MakeImage(afmt[fileDialog.FilterIndex - 1], barcodeWidth, barcodeHeight, true, false, null, myStream);
					myStream.Close();
				}
			}
		}

		private void checkHilite_CheckedChanged(object sender, System.EventArgs e)
		{
			this.Refresh();
		}
	}
}