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using IronBarCode; using System.Drawing; // 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 // To configure and fine-tune barcode reading, utilize the BarcodeReaderOptions class var myOptionsExample = new BarcodeReaderOptions { // Choose a reading 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 single barcode is found (if set to true) ExpectMultipleBarcodes = true, // By default, all barcode formats are scanned for // Specifying a subset of barcode types to search for would improve performance ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional, // Utilize multiple threads to read barcodes from multiple images in parallel Multithreaded = true, // Maximum threads for parallelized barcode reading // Default is 4 MaxParallelThreads = 2, // The area of each image frame in which to scan for barcodes // Specifying a crop area will significantly improve performance and avoid noisy parts of the image CropArea = new Rectangle(), // Special setting for Code39 barcodes // If a Code39 barcode is detected, try to read with both the base and extended ASCII character sets UseCode39ExtendedMode = true }; // Read with the options applied var results = BarcodeReader.Read("barcode.png", myOptionsExample); // Create a barcode with one line of code var myBarcode = BarcodeWriter.CreateBarcode("12345", BarcodeWriterEncoding.EAN8); // After creating a barcode, we may choose to resize myNewBarcode.ResizeTo(400, 100); // Save our newly-created barcode as an image myBarcode.SaveAsImage("EAN8.jpeg"); Image myBarcodeImage = myBarcode.Image; // Can be used as Image Bitmap myBarcodeBitmap = myBarcode.ToBitmap(); // Can be used as Bitmap
Imports IronBarCode Imports System.Drawing ' Reading a barcode is easy with IronBarcode! Private resultFromFile = BarcodeReader.Read("file/barcode.png") ' From a file Private resultFromBitMap = BarcodeReader.Read(New Bitmap("barcode.bmp")) ' From a bitmap Private resultFromImage = BarcodeReader.Read(Image.FromFile("barcode.jpg")) ' From an image Private resultFromPdf = BarcodeReader.ReadPdf("file/mydocument.pdf") ' From PDF use ReadPdf ' To configure and fine-tune barcode reading, utilize the BarcodeReaderOptions class Private myOptionsExample = New BarcodeReaderOptions With { .Speed = ReadingSpeed.Balanced, .ExpectMultipleBarcodes = True, .ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional, .Multithreaded = True, .MaxParallelThreads = 2, .CropArea = New Rectangle(), .UseCode39ExtendedMode = True } ' Read with the options applied Private results = BarcodeReader.Read("barcode.png", myOptionsExample) ' Create a barcode with one line of code Private myBarcode = BarcodeWriter.CreateBarcode("12345", BarcodeWriterEncoding.EAN8) ' After creating a barcode, we may choose to resize myNewBarcode.ResizeTo(400, 100) ' Save our newly-created barcode as an 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
Install-Package BarCode
探索代码并运行它以查看示例。