using IronBarCode;
PdfBarcodeReaderOptions myPdfOptionsExample = new PdfBarcodeReaderOptions()
{
// The password string to open the PDF if there is one.
Password = "password123",
// Pages of the PDF you want to scan
PageNumbers = new[] { 1, 3 },
// By default, all barcode formats are scanned for.
// Specifying one or more, performance will increase.
ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional,
// The DPI (Dots per inch) to render each Barcode image.
DPI = 72,
// The scaling factor to scale the Width and Height when converting the PDF to Image.
// Default is 3.5
Scale = 4
};
// And, apply:
var results = BarcodeReader.ReadPdf("barcode.pdf", myPdfOptionsExample);
IronBarcode has a variety of options in the PdfBarcodeReaderOptions class to support customized and optimized reads for PDFs specifically. This will handle PDF passwords, choosing which pages to scan, the DPI to parse the PDF in, and any additional scaling needed to improve the read quality.
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