VB Imaging - EAN-8 Generating Tutorial

VB.NET EAN-8 Barcode Creator Add-on Overview

VB.NET Barcode Creator Add-on from RasterEdge DocImage SDK for .NET successfully combines advanced EAN-8 barcode generating technologies with mature image & document processing techniques. It helps VB.NET developers generate & insert EAN-8 barcode at specified area of the target file in VB.NET applications. EAN-8 is a numeric linear barcode symbology with a fixed length of 8 digits.

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RasterEdge .NET DocImage Barcode Add-on component enables Visual VB developers to create EAN-8 barcode image with best quality. All the EAN-8 barcodes generated with this .NET barcode control are compatible with the latest GS1 General Specification, with the last checksum digit character automatically added. There are only two project requirements: .NET Framework 2.0 or later version, and Microsoft Visual Studio 2005 or above. c# pdf stamper, how to crop a pdf in c#, vb.net convert pdf to word, vb.net print pdf to default printer, c# pdf to tiff pdfsharp, itextsharp convert pdf to image vb.net, vb.net save form as pdf.

The supported image and document formats for EAN-8 barcode creating are JPEG, PNG, BMP, GIF, TIFF, PDF and MS Word. Our VB.NET EAN-8 Barcode Generator is so powerful and stable that can enable users to:

Use EAN-8 Barcode Inserting library in any Visual Studio and .NET Framework version

Insert and customize linear EAN-8 barcode on any designed document image area in VB.NET

Rotate linear EAN-8 barcode at 0, 90, 180 & 270 degrees during VB.NET EAN-8 barcode generation process

Customize and define EAN-8 properties including X, Y dimension, four margins size, font style, and many more

Compute EAN-8 barcode check digit without any external programming code

Dynamically create EAN-8 barcode image in high or low resolution and save to any designed route

Purchase perpetual & royalty free license of .NET barcode creating and writing SDK at reasonable price

Besides this VB barcoding guide, we also provide VB.NET Codabar solution for VB.NET programmers. Here is the detailed Codabar Generation in Visual Basic.NET Tutorial.

VB Code for Customizing EAN-8 Barcode Generation

You can easily generator EAN-8 barcode and save it  to image files/object using this VB.NET barcode generator control. The following steps will show how to create a EAN-8 type barcode encoding numeric data text "123456789" into the image object with XImage.Barcode.Creator.

Add References

  RasterEdge.Imaging.Basic.dll

  RasterEdge.Imaging.Drawing.dll

  RasterEdge.Imaging.Font.dll

  RasterEdge.Imaging.Processing.dll

  RasterEdge.XImage.BarcodeCreator.dll

  System.Drawing.dll

Using Namespaces

  using System.Drawing;

  using RasterEdge.XImage.BarcodeCreator;

Note: When you get the error "Could not load file or assembly 'RasterEdge.Imaging.Basic' or any other assembly or one of its dependencies. An attempt to load a program with an incorrect format", please check your configure as follows:

       If you are using x64 libraries/dlls, Right click the project -> Properties -> Build -> Platform target: x64.

       If using x86, the platform target should be x86.

Please copy the sample code as follow to generator a EAN-8 barcode.

'create a barcode
Dim barcode As Linear = New Linear()
'select barcode type
barcode.Type = BarcodeType.EAN8
'set barcode data
barcode.Data = "7777777"
'set x,y position
barcode.X = 1.0F
barcode.Y = 60.0F
'set resolution
barcode.Resolution = 96
'set rotation
barcode.Rotate = Rotate.Rotate0
barcode.BarcodeWidth = 200
barcode.BarcodeHeight = 200
barcode.AutoResize = true

'convert barcode to a bitmap and save it to image file
'Dim bmp As Bitmap = barcode.ToImage()
'bmp.Save("C:\\barcode.bmp")

Create EAN-8 Barcode on Image in VB.NET

Here is a VB example for developers to write and embed an EAN-8 barcode on a png image from the local disk C, with the detailed location specified by users with the X and Y coordinates. Besides the PNG image format, other supported common image formats are JPEG, BMP and GIF.

Dim image As REImage  = New REImage("C:\\Sample.png")
barcode.DrawBarcode(image, 150F, 150F)
image.Save(ImageType.PNG, "C:\\Sample_Barcode.png")

Generate EAN-8 on Document Page in VB.NET

Use following VB code to generate EAN-8 on defined page area of a PDF, multi-page TIFF, Microsoft Office Word (.docx), Excel(.xlsx) or PowerPoint(.pptx) document.

EAN-8 Image Creation on VB PDF Document Area

Add References(Extra)

  RasterEdge.Imaging.Basic.Codec.dll

  RasterEdge.XImage.Raster.dll

  RasterEdge.XImage.Raster.Core.dll

  RasterEdge.XDoc.PDF.dll

Using Namespace(Extra)

  RasterEdge.XDoc.PDF;

  RasterEdge.Imaging.Basic;

  RasterEdge.Imaging.Raster.Core;

Dim  docx As PDFDocument = New PDFDocument("C:\\Sample.pdf")
Dim  page As PDFPage = docx.GetPage(0)
Dim  image As Bitmap = barcode.ToImage() 'Define on the above code
page.AddImage(image, New PointF(100F, 100F))
docx.Save("C:\\Sample_Barcode.pdf")

EAN-8 Image Creation on VB TIFF File Page

Add References(Extra)

  RasterEdge.Imaging.Basic.Codec.dll

  RasterEdge.XImage.Raster.dll

  RasterEdge.XImage.Raster.Core.dll

  RasterEdge.XDoc.TIFF.dll

Using Namespace(Extra)

  RasterEdge.XDoc.TIFF;

  RasterEdge.Imaging.Basic;

  RasterEdge.Imaging.Raster.Core;

Dim  docx As TIFFDocument = New TIFFDocument("C:\\Sample.tif")
Dim page As BasePage = docx.GetPage(0)
Dim  image As REImage = New REImage(barcode.ToImage())
page.AddImage(image, New PointF(100F, 100F))
docx.Save("C:\\Sample_Barcode.tif")

EAN-8 Image Creation on VB Word Document

Add References(Extra)

  RasterEdge.XDoc.Word.dll

  RasterEdge.XImage.Raster.dll

  RasterEdge.XImage.Raster.Core.dll

  RasterEdge.XDoc.Office.Inner.Common.dll

  RasterEdge.XDoc.Office.Inner..Office03.dll

Using Namespace(Extra)

  RasterEdge.XDoc.Word;

  RasterEdge.Imaging.Basic;

  RasterEdge.Imaging.Raster.Core;

Dim  docx As DOCXDocument = New DOCXDocument("C:\\Sample.docx")
Dim page As BasePage = docx.GetPage(0)
Dim  image As REImage = New REImage(barcode.ToImage())
page.AddImage(image, New PointF(100F, 100F))
docx.Save("C:\\Sample_Barcode.docx")

EAN-8 Image Creation on VB Excel Document

Add References(Extra)

  RasterEdge.XDoc.Excel.dll

  RasterEdge.XImage.Raster.dll

  RasterEdge.XImage.Raster.Core.dll

  RasterEdge.XDoc.Office.Inner.Common.dll

  RasterEdge.XDoc.Office.Inner..Office03.dll

Using Namespace(Extra)

  RasterEdge.XDoc.Excel;

  RasterEdge.Imaging.Basic;

  RasterEdge.Imaging.Raster.Core;

Dim  docx As XLSXDocument = New XLSXDocument("C:\\Sample.xlsx")
Dim page As BasePage = docx.GetPage(0)
Dim  image As REImage = New REImage(barcode.ToImage())
page.AddImage(image, New PointF(100F, 100F))
docx.Save("C:\\Sample_Barcode.xlsx")

EAN-8 Image Creation on VB PowerPoint Document

Add References(Extra)

  RasterEdge.XDoc.PowerPoint.dll

  RasterEdge.XImage.Raster.dll

  RasterEdge.XImage.Raster.Core.dll

  RasterEdge.XDoc.Office.Inner.Common.dll

  RasterEdge.XDoc.Office.Inner..Office03.dll

Using Namespace(Extra)

  RasterEdge.XDoc.PowerPoint;

  RasterEdge.Imaging.Basic;

  RasterEdge.Imaging.Raster.Core;

Dim  docx As PPTXDocument = New PPTXDocument("C:\\Sample.pptx")
Dim page As BasePage = docx.GetPage(0)
Dim  image As REImage = New REImage(barcode.ToImage())
page.AddImage(image, New PointF(100F, 100F))
docx.Save("C:\\Sample_Barcode.pptx")

Generate EAN-8 on Image & Document in VB

RasterEdge supports EAN-8 barcode generation and customization on image and document in Visual VB.NET application.

'create REImage on which you want to draw the barcode
Dim reImage As REImage = New REImage("c:/Sample.png")

'create a barcode
Dim barcode As Linear  = New Linear()
'select barcode type
barcode.Type = BarcodeType.EAN8
'set barcode data 
barcode.Data = "7777777"

'EAN-8 barcode size related
'set x,y position
barcode.X = 1.0F
barcode.Y = 60.0F
barcode.BarcodeHeight = 60
barcode.BarcodeWidth = 0
barcode.BottomMargin = 0
barcode.LeftMargin = 0
barcode.RightMargin = 0
barcode.BarAlignment = AlignmentHori.Left
'set resolution
barcode.Resolution = 96
'set rotation
barcode.Rotate = Rotate.Rotate0
barcode.AddCheckSum = false
barcode.UOM = UnitOfMeasure.PIXEL

'EAN-8 colors
barcode.BackColor = System.Drawing.Color.White
barcode.ForeColor = System.Drawing.Color.Black

'EAN-8 font style
barcode.TextFont = New Font("Arial", 9f, FontStyle.Regular)
barcode.TextColor = System.Drawing.Color.Black
barcode.TextMargin = 6
barcode.ShowText = true

'EAN-8 special
'barcode.SupData = ""
'barcode.SupHeight = 0.8f
'barcode.SupSpace = 15

'draw barcode on REImage with location x and y
barcode.DrawBarcode(reImage, 0, 0)

reImage.Save(ImageType.PNG, "c:/barcode.png")