using System.Drawing; using IronBarCode; // Creating a barcode is as simple as: var myBarcode = BarcodeWriter.CreateBarcode("12345", BarcodeWriterEncoding.EAN8); // And save our barcode as in image: myBarcode.SaveAsImage("EAN8.jpeg"); Image myBarcodeImage = myBarcode.Image; // Can be used as Image Bitmap myBarcodeBitmap = myBarcode.ToBitmap(); // Can be used as Bitmap // Reading a barcode is easy with IronBarcode: var resultFromFile = BarcodeReader.Read(@"file/barcode.png"); // From a file var resultFromBitMap = BarcodeReader.Read(new Bitmap("barcode.bmp")); // From a bitmap var resultFromImage = BarcodeReader.Read(Image.FromFile("barcode.jpg")); // From an image var resultFromPdf = BarcodeReader.ReadPdf(@"file/mydocument.pdf"); // From PDF use ReadPdf // After creating a barcode, we may choose to resize and save which is easily done with: var myNewBarcode = BarcodeWriter.CreateBarcode("12345", BarcodeWriterEncoding.EAN8); myNewBarcode.ResizeTo(400, 100); myNewBarcode.SaveAsImage("myBarcodeResized.jpeg"); // To set more options and optimization with your Barcode Reading, // Please utilize the BarcodeReaderOptions paramter of read: var myOptionsExample = new BarcodeReaderOptions { // Choose a speed from: Faster, Balanced, Detailed, ExtremeDetail // There is a tradeoff in performance as more Detail is set Speed = ReadingSpeed.Balanced, // Reader will stop scanning once a barcode is found, unless set to true ExpectMultipleBarcodes = true, // By default, all barcode formats are scanned for. // Specifying one or more, performance will increase. ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional, // Utilizes multiple threads to reads barcodes from multiple images in parallel. Multithreaded = true, // Maximum threads for parallel. Default is 4 MaxParallelThreads = 2, // The area of each image frame in which to scan for barcodes. // Will improve performance significantly and avoid unwanted results and avoid noisy parts of the image. CropArea = new Rectangle(), // Special Setting for Code39 Barcodes. // If a Code39 barcode is detected. Try to use extended mode for the full ASCII Character Set UseCode39ExtendedMode = true }; // And, apply: var results = BarcodeReader.Read("barcode.png", myOptionsExample);

Imports System.Drawing Imports IronBarCode ' Creating a barcode is as simple as: Private myBarcode = BarcodeWriter.CreateBarcode("12345", BarcodeWriterEncoding.EAN8) ' And save our barcode as in image: myBarcode.SaveAsImage("EAN8.jpeg") Dim myBarcodeImage As Image = myBarcode.Image ' Can be used as Image Dim myBarcodeBitmap As Bitmap = myBarcode.ToBitmap() ' Can be used as Bitmap ' Reading a barcode is easy with IronBarcode: Dim resultFromFile = BarcodeReader.Read("file/barcode.png") ' From a file Dim resultFromBitMap = BarcodeReader.Read(New Bitmap("barcode.bmp")) ' From a bitmap Dim resultFromImage = BarcodeReader.Read(Image.FromFile("barcode.jpg")) ' From an image Dim resultFromPdf = BarcodeReader.ReadPdf("file/mydocument.pdf") ' From PDF use ReadPdf ' After creating a barcode, we may choose to resize and save which is easily done with: Dim myNewBarcode = BarcodeWriter.CreateBarcode("12345", BarcodeWriterEncoding.EAN8) myNewBarcode.ResizeTo(400, 100) myNewBarcode.SaveAsImage("myBarcodeResized.jpeg") ' To set more options and optimization with your Barcode Reading, ' Please utilize the BarcodeReaderOptions paramter of read: Dim myOptionsExample = New BarcodeReaderOptions With { .Speed = ReadingSpeed.Balanced, .ExpectMultipleBarcodes = True, .ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional, .Multithreaded = True, .MaxParallelThreads = 2, .CropArea = New Rectangle(), .UseCode39ExtendedMode = True } ' And, apply: Dim results = BarcodeReader.Read("barcode.png", myOptionsExample)

using IronBarCode; using System.Drawing; /*** CREATING BARCODE IMAGES ***/ // Shorthand:: Create and save a barcode in a single line of code BarcodeWriter.CreateBarcode("12345", BarcodeWriterEncoding.EAN8).ResizeTo(400, 100).SaveAsImage("EAN8.jpeg"); /***** IN-DEPTH BARCODE CREATION OPTIONS *****/ // BarcodeWriter.CreateBarcode creates a GeneratedBarcode which can be styles and exported as an Image object or File GeneratedBarcode MyBarCode = BarcodeWriter.CreateBarcode("Any Number, String or Binary Value", BarcodeWriterEncoding.Code128); // Style the Barcode in a fluent LINQ style fashion MyBarCode.ResizeTo(300, 150).SetMargins(20).AddAnnotationTextAboveBarcode("Example EAN8 Barcode").AddBarcodeValueTextBelowBarcode(); MyBarCode.ChangeBackgroundColor(Color.LightGoldenrodYellow); // Save MyBarCode as an image file MyBarCode.SaveAsImage("MyBarCode.png"); MyBarCode.SaveAsGif("MyBarCode.gif"); MyBarCode.SaveAsHtmlFile("MyBarCode.html"); MyBarCode.SaveAsJpeg("MyBarCode.jpg"); MyBarCode.SaveAsPdf("MyBarCode.Pdf"); MyBarCode.SaveAsPng("MyBarCode.png"); MyBarCode.SaveAsTiff("MyBarCode.tiff"); MyBarCode.SaveAsWindowsBitmap("MyBarCode.bmp"); // Save MyBarCode as a .NET native objects Image MyBarCodeImage = MyBarCode.Image; Bitmap MyBarCodeBitmap = MyBarCode.ToBitmap(); byte[] PngBytes = MyBarCode.ToPngBinaryData(); using (System.IO.Stream PdfStream = MyBarCode.ToPdfStream()) { // Stream barcode image output also works for GIF,JPEG, PDF, PNG, BMP and TIFF } // Save MyBarCode as HTML files and tags MyBarCode.SaveAsHtmlFile("MyBarCode.Html"); string ImgTagForHTML = MyBarCode.ToHtmlTag(); string DataURL = MyBarCode.ToDataUrl(); // Save MyBarCode to a new PDF, or stamp it in any position on any page(s) of an existing Document MyBarCode.SaveAsPdf("MyBarCode.Pdf"); MyBarCode.StampToExistingPdfPage("ExistingPDF.pdf", 200, 50, 1); // position 200x50 on page 1 MyBarCode.StampToExistingPdfPages("ExistingPDF.pdf", 200, 50, new[] { 1, 2, 3 }, "Password123"); // multiple pages of an encrypted PDF

Imports IronBarCode Imports System.Drawing '''* CREATING BARCODE IMAGES ** ' Shorthand:: Create and save a barcode in a single line of code BarcodeWriter.CreateBarcode("12345", BarcodeWriterEncoding.EAN8).ResizeTo(400, 100).SaveAsImage("EAN8.jpeg") '''*** IN-DEPTH BARCODE CREATION OPTIONS **** ' BarcodeWriter.CreateBarcode creates a GeneratedBarcode which can be styles and exported as an Image object or File Dim MyBarCode As GeneratedBarcode = BarcodeWriter.CreateBarcode("Any Number, String or Binary Value", BarcodeWriterEncoding.Code128) ' Style the Barcode in a fluent LINQ style fashion MyBarCode.ResizeTo(300, 150).SetMargins(20).AddAnnotationTextAboveBarcode("Example EAN8 Barcode").AddBarcodeValueTextBelowBarcode() MyBarCode.ChangeBackgroundColor(Color.LightGoldenrodYellow) ' Save MyBarCode as an image file MyBarCode.SaveAsImage("MyBarCode.png") MyBarCode.SaveAsGif("MyBarCode.gif") MyBarCode.SaveAsHtmlFile("MyBarCode.html") MyBarCode.SaveAsJpeg("MyBarCode.jpg") MyBarCode.SaveAsPdf("MyBarCode.Pdf") MyBarCode.SaveAsPng("MyBarCode.png") MyBarCode.SaveAsTiff("MyBarCode.tiff") MyBarCode.SaveAsWindowsBitmap("MyBarCode.bmp") ' Save MyBarCode as a .NET native objects Dim MyBarCodeImage As Image = MyBarCode.Image Dim MyBarCodeBitmap As Bitmap = MyBarCode.ToBitmap() Dim PngBytes() As Byte = MyBarCode.ToPngBinaryData() Using PdfStream As System.IO.Stream = MyBarCode.ToPdfStream() ' Stream barcode image output also works for GIF,JPEG, PDF, PNG, BMP and TIFF End Using ' Save MyBarCode as HTML files and tags MyBarCode.SaveAsHtmlFile("MyBarCode.Html") Dim ImgTagForHTML As String = MyBarCode.ToHtmlTag() Dim DataURL As String = MyBarCode.ToDataUrl() ' Save MyBarCode to a new PDF, or stamp it in any position on any page(s) of an existing Document MyBarCode.SaveAsPdf("MyBarCode.Pdf") MyBarCode.StampToExistingPdfPage("ExistingPDF.pdf", 200, 50, 1) ' position 200x50 on page 1 MyBarCode.StampToExistingPdfPages("ExistingPDF.pdf", 200, 50, { 1, 2, 3 }, "Password123") ' multiple pages of an encrypted PDF

using IronBarCode; using System; using System.Drawing; /*** STYING GENERATED BARCODES ***/ // BarcodeWriter.CreateBarcode creates a GeneratedBarcode object which allows the barcode to be styled and annotated. GeneratedBarcode MyBarCode = BarcodeWriter.CreateBarcode("Iron Software", BarcodeWriterEncoding.QRCode); // Any text (or commonly, the value of the barcode) can be added to the image in a default or specified font. // Text positions are automatically centered, above or below. Fonts that are too large for a given image are automatically scaled down. MyBarCode.AddBarcodeValueTextBelowBarcode(); MyBarCode.AddAnnotationTextAboveBarcode("This is My Barcode", new Font(new FontFamily("Arial"), 12, FontStyle.Regular, GraphicsUnit.Pixel), Color.DarkSlateBlue); // Resize, add Margins and Check final Image Dimensions MyBarCode.ResizeTo(300, 300); // pixels MyBarCode.SetMargins(0, 20, 0, 20); int FinalWidth = MyBarCode.Width; int FinalHeight = MyBarCode.Height; //Recolor the barcode and its background MyBarCode.ChangeBackgroundColor(Color.LightGray); MyBarCode.ChangeBarCodeColor(Color.DarkSlateBlue); if (!MyBarCode.Verify()) { Console.WriteLine("Color contrast should be at least 50% or a barcode may become unreadable. Test using GeneratedBarcode.Verify()"); } // Finally save the result MyBarCode.SaveAsHtmlFile("StyledBarcode.html"); /*** STYING BARCODES IN A SINGLE LINQ STYLE EXPRESSION ***/ // Fluent API BarcodeWriter.CreateBarcode("https://ironsoftware.com", BarcodeWriterEncoding.Aztec).ResizeTo(250, 250).SetMargins(10).AddBarcodeValueTextAboveBarcode().SaveAsImage("StyledBarcode.png"); /*** STYING QR CODES WITH LOGO IMAGES OR BRANDING ***/ // Use the QRCodeWriter.CreateQrCodeWithLogo Method instead of BarcodeWriter.CreateBarcode // Logo will automatically be sized appropriately and snapped to the QR grid. var qrCodeLogo = new QRCodeLogo("ironsoftware_logo.png"); GeneratedBarcode myQRCodeWithLogo = QRCodeWriter.CreateQrCodeWithLogo("https://ironsoftware.com/", qrCodeLogo); myQRCodeWithLogo.ResizeTo(500, 500).SetMargins(10).ChangeBarCodeColor(Color.DarkGreen); myQRCodeWithLogo.ResizeTo(500, 500).SetMargins(10).ChangeBarCodeColor(Color.DarkGreen); myQRCodeWithLogo.SaveAsPng("QRWithLogo.Png").SaveAsPdf("MyVerifiedQR.html"); // save as 2 formats

Imports IronBarCode Imports System Imports System.Drawing '''* STYING GENERATED BARCODES ** ' BarcodeWriter.CreateBarcode creates a GeneratedBarcode object which allows the barcode to be styled and annotated. Private MyBarCode As GeneratedBarcode = BarcodeWriter.CreateBarcode("Iron Software", BarcodeWriterEncoding.QRCode) ' Any text (or commonly, the value of the barcode) can be added to the image in a default or specified font. ' Text positions are automatically centered, above or below. Fonts that are too large for a given image are automatically scaled down. MyBarCode.AddBarcodeValueTextBelowBarcode() MyBarCode.AddAnnotationTextAboveBarcode("This is My Barcode", New Font(New FontFamily("Arial"), 12, FontStyle.Regular, GraphicsUnit.Pixel), Color.DarkSlateBlue) ' Resize, add Margins and Check final Image Dimensions MyBarCode.ResizeTo(300, 300) ' pixels MyBarCode.SetMargins(0, 20, 0, 20) Dim FinalWidth As Integer = MyBarCode.Width Dim FinalHeight As Integer = MyBarCode.Height 'Recolor the barcode and its background MyBarCode.ChangeBackgroundColor(Color.LightGray) MyBarCode.ChangeBarCodeColor(Color.DarkSlateBlue) If Not MyBarCode.Verify() Then Console.WriteLine("Color contrast should be at least 50% or a barcode may become unreadable. Test using GeneratedBarcode.Verify()") End If ' Finally save the result MyBarCode.SaveAsHtmlFile("StyledBarcode.html") '''* STYING BARCODES IN A SINGLE LINQ STYLE EXPRESSION ** ' Fluent API BarcodeWriter.CreateBarcode("https://ironsoftware.com", BarcodeWriterEncoding.Aztec).ResizeTo(250, 250).SetMargins(10).AddBarcodeValueTextAboveBarcode().SaveAsImage("StyledBarcode.png") '''* STYING QR CODES WITH LOGO IMAGES OR BRANDING ** ' Use the QRCodeWriter.CreateQrCodeWithLogo Method instead of BarcodeWriter.CreateBarcode ' Logo will automatically be sized appropriately and snapped to the QR grid. Dim qrCodeLogo As New QRCodeLogo("ironsoftware_logo.png") Dim myQRCodeWithLogo As GeneratedBarcode = QRCodeWriter.CreateQrCodeWithLogo("https://ironsoftware.com/", qrCodeLogo) myQRCodeWithLogo.ResizeTo(500, 500).SetMargins(10).ChangeBarCodeColor(Color.DarkGreen) myQRCodeWithLogo.ResizeTo(500, 500).SetMargins(10).ChangeBarCodeColor(Color.DarkGreen) myQRCodeWithLogo.SaveAsPng("QRWithLogo.Png").SaveAsPdf("MyVerifiedQR.html") ' save as 2 formats

IronBarcode Blog

December 13, 2022

A Comparison between IronBarcode and ZXing.NET

IronBarcode and ZXing.NET are both compatible with C#. We will see what makes IronBarcode more robust than ZXing.NET.

IronBarcode Blog

Ready to get started? Version: 2023.1 just released