Reading Barcodes and QR

using IronBarCode;
using System;
using System.Drawing;  // Include a reference to System.Drawing.Dll


/*** GET STARED WITH BARCODE READING ***/

// Read almost any Barcode or QR in 1 line of Code.
BarcodeResult QRResult = BarcodeReader.QuicklyReadOneBarcode("QR.png");

// Work with the results
if (QRResult != null)
{
    string Value = QRResult.Value;
    Bitmap Img = QRResult.BarcodeImage;
    BarcodeEncoding BarcodeType = QRResult.BarcodeType;
    byte[] Binary = QRResult.BinaryValue;
    Console.WriteLine(QRResult.Value);
}

// Setting the optional BarcodeEncoding and TryHarder settings will improve performance
BarcodeResult QRBetterResult = BarcodeReader.QuicklyReadOneBarcode("QR.png", BarcodeEncoding.QRCode, true);

// Multiple Barcode Formats May be Specified using the | Pipe Operator
BarcodeResult FormatsResult = BarcodeReader.QuicklyReadOneBarcode("QR.png", BarcodeEncoding.QRCode | BarcodeEncoding.PDF417 | BarcodeEncoding.Code128);



/***  READING MULTIPLE BARCODES FROM 1 IMAGE OR PDF DOCUMENT ***/

// Multiple barcodes may be scanned up from a single document or image.  A PDF document may also used as the input image
BarcodeResult[] PDFResults = BarcodeReader.QuicklyReadAllBarcodes("MultipleBarcodes.pdf", BarcodeEncoding.AllOneDimensional, true);

// Work with the results
foreach (var PDFResult in PDFResults)
{
    string Value = PDFResult.Value;
    Bitmap Img = PDFResult.BarcodeImage;
    BarcodeEncoding BarcodeType = PDFResult.BarcodeType;
    byte[] Binary = PDFResult.BinaryValue;
    Console.WriteLine(PDFResult.Value);
}

// Multi frame TIFF and GIF images can also be scanned, and multiple threads will be used automatically in the background for improved performance
BarcodeResult[] MultiFrameResults = BarcodeReader.ReadBarcodesFromMultiFrameTiff("Multiframe.tiff", BarcodeEncoding.Code128, BarcodeReader.BarcodeRotationCorrection.Low, BarcodeReader.BarcodeImageCorrection.None);

// The BarcodeResult.ReadBarcodesMultiThreaded method allows for faster barcode scanning of multiple images or PDFs.  All threads are automatically managed by IronBarCode.
var ListOfDocuments = new[] { "Image1.png", "image2.JPG", "image3.pdf" };
PagedBarcodeResult[] BatchResults = BarcodeReader.ReadBarcodesMultiThreaded(ListOfDocuments);





/***  READING BARCODES FROM ONLY PART OF AN IMAGE OR DOCUMENT ***/

//  All BarcodeResult.Read methods all have counterparts that support only scanning for barcodes in specific parts of documents.
//  This really helps performance when  processing batches of similar documents, forms, tickets, financial documents etc.

System.Drawing.Rectangle MyCropArea = new Rectangle { X = 165, Y = 225, Width = 500, Height = 200 }; // measured in pixels
BarcodeResult[] InvoiceResults = BarcodeReader.ReadAllBarcodesInCropArea("Invoice.Tiff", MyCropArea, BarcodeEncoding.Code128);

//  To read barcodes from only 1 or selected pages of a PDF, the ReadBarcodesFromPdfPage and ReadBarcodesFromPdfPages methods can be used.
//  Page numbers are 1 based (the first page is  1 not zero)
PagedBarcodeResult[] Page3ScanResults = BarcodeReader.ReadBarcodesFromPdfPage("PileofInvoices.pdf", 3, BarcodeEncoding.PDF417);

Imports IronBarCode
Imports System
Imports System.Drawing ' Include a reference to System.Drawing.Dll


'''* GET STARED WITH BARCODE READING **

' Read almost any Barcode or QR in 1 line of Code.
Private QRResult As BarcodeResult = BarcodeReader.QuicklyReadOneBarcode("QR.png")

' Work with the results
If QRResult IsNot Nothing Then
	Dim Value As String = QRResult.Value
	Dim Img As Bitmap = QRResult.BarcodeImage
	Dim BarcodeType As BarcodeEncoding = QRResult.BarcodeType
	Dim Binary() As Byte = QRResult.BinaryValue
	Console.WriteLine(QRResult.Value)
End If

' Setting the optional BarcodeEncoding and TryHarder settings will improve performance
Dim QRBetterResult As BarcodeResult = BarcodeReader.QuicklyReadOneBarcode("QR.png", BarcodeEncoding.QRCode, True)

' Multiple Barcode Formats May be Specified using the | Pipe Operator
Dim FormatsResult As BarcodeResult = BarcodeReader.QuicklyReadOneBarcode("QR.png", BarcodeEncoding.QRCode Or BarcodeEncoding.PDF417 Or BarcodeEncoding.Code128)



'''*  READING MULTIPLE BARCODES FROM 1 IMAGE OR PDF DOCUMENT **

' Multiple barcodes may be scanned up from a single document or image.  A PDF document may also used as the input image
Dim PDFResults() As BarcodeResult = BarcodeReader.QuicklyReadAllBarcodes("MultipleBarcodes.pdf", BarcodeEncoding.AllOneDimensional, True)

' Work with the results
For Each PDFResult In PDFResults
	Dim Value As String = PDFResult.Value
	Dim Img As Bitmap = PDFResult.BarcodeImage
	Dim BarcodeType As BarcodeEncoding = PDFResult.BarcodeType
	Dim Binary() As Byte = PDFResult.BinaryValue
	Console.WriteLine(PDFResult.Value)
Next PDFResult

' Multi frame TIFF and GIF images can also be scanned, and multiple threads will be used automatically in the background for improved performance
Dim MultiFrameResults() As BarcodeResult = BarcodeReader.ReadBarcodesFromMultiFrameTiff("Multiframe.tiff", BarcodeEncoding.Code128, BarcodeReader.BarcodeRotationCorrection.Low, BarcodeReader.BarcodeImageCorrection.None)

' The BarcodeResult.ReadBarcodesMultiThreaded method allows for faster barcode scanning of multiple images or PDFs.  All threads are automatically managed by IronBarCode.
Dim ListOfDocuments = { "Image1.png", "image2.JPG", "image3.pdf" }
Dim BatchResults() As PagedBarcodeResult = BarcodeReader.ReadBarcodesMultiThreaded(ListOfDocuments)





'''*  READING BARCODES FROM ONLY PART OF AN IMAGE OR DOCUMENT **

'  All BarcodeResult.Read methods all have counterparts that support only scanning for barcodes in specific parts of documents.
'  This really helps performance when  processing batches of similar documents, forms, tickets, financial documents etc.

Dim MyCropArea As System.Drawing.Rectangle = New Rectangle With {
	.X = 165,
	.Y = 225,
	.Width = 500,
	.Height = 200
}
Dim InvoiceResults() As BarcodeResult = BarcodeReader.ReadAllBarcodesInCropArea("Invoice.Tiff", MyCropArea, BarcodeEncoding.Code128)

'  To read barcodes from only 1 or selected pages of a PDF, the ReadBarcodesFromPdfPage and ReadBarcodesFromPdfPages methods can be used.
'  Page numbers are 1 based (the first page is  1 not zero)
Dim Page3ScanResults() As PagedBarcodeResult = BarcodeReader.ReadBarcodesFromPdfPage("PileofInvoices.pdf", 3, BarcodeEncoding.PDF417)