Skip to content
IRISOCR™ SDK Documentation

Barcode Detection

The Barcode Detection feature is exposed via CBarcodeDetection class.

The class allows the detection of full-page and zonal barcodes by accepting any of the following two parameter classes:

  • CBarcodePageParams
  • CBarcodeZonalParams

Below are code snippets for full-page barcode detection and zonal barcode detection

Full-page barcode detection

Section titled “Full-page barcode detection”
CIDRS objIdrs = CIDRS::Create();


// Load the source image
CImageIO objImageIO = CImageIO::Create(objIdrs);
CPage objPage = objImageIO.LoadPage("path/to/image");


// Create the barcode detection parameters -> detect Ean13 using maximum accuracy setting and thread count set to number of physical cores of the running machine
CBarcodeContext objBarcodeContext = CBarcodeContext::Create(BarcodeType::Ean13);
CBarcodePageParams objPageBarcodeParams = CBarcodePageParams::Create(objBarcodeContext);
objPageBarcodeParams.SetWorkDepth(Workdepth::MaximumAccuracy);
objPageBarcodeParams.SetThreadingMode(ThreadingMode::Optimized);


// run barcode detection
CBarcodeDetection objBarcodeDetection = CBarcodeDetection::Create(objIdrs, objPageBarcodeParams);
CBarcodeArray xDetectedBarcodes = objBarcodeDetection.DetectBarcodes(objPage);


// now the CBarcodeArray contains a list with the detected barcodes
// Load the image to CPage
CIDRS objIDRS = new CIDRS();
CImageIO objImageIO = new CImageIO(objIDRS);
CImage objImage = objImageIO.LoadImage("my file");


// Create the barcode detection parameters -> detect Ean13 using maximum accuracy setting and thread count set to number of physical cores of the running machine
CBarcodeContext objBarcodeContext = new CBarcodeContext(BarcodeType.Ean13);
CBarcodePageParams objPageBarcodeParams = new CBarcodePageParams(objBarcodeContext)
{
  Workdepth = Workdepth.MaximumAccuracy,
  ThreadingMode = ThreadingMode.Optimized
};


// run barcode detection
CBarcodeDetection objBarcodeDetection = new CBarcodeDetection(objIDRS, objPageBarcodeParams);
CIDRSObjArray<CBarcode> xDetectedBarcodes = objBarcodeDetection.DetectBarcodes(objImage);


// now the xDetectedBarcodes contains a list with the detected barcodes

Zonal barcode detection

Section titled “Zonal barcode detection”
CIDRS objIdrs = CIDRS::Create();


// Load the source image
CImageIO objImageIO = CImageIO::Create(objIdrs);
CPage objPage = objImageIO.LoadPage("path/to/image");


CBarcodeZonalSettingsArray xBarcodeZonalSettings = CBarcodeZonalSettingsArray::Create();


// define the settings for first zone: search for Ean13 barcode type in area (0, 0) -> (300, 300)
CBarcodeContext objBarcodeContextZone1 = CBarcodeContext::Create(BarcodeType::Ean13);
IDRS_RECT rcZone1 = { 0, 0, 300, 300 };
CPolygon objZone1 = CPolygon::Create(rcZone1);
CBarcodeZonalSettings objZonalSettings1 = CBarcodeZonalSettings::Create();
objZonalSettings1.SetContext(objBarcodeContextZone1);
objZonalSettings1.GetZones.AddTail(objZone1);


// define the settings for first zone: search for QRCode barcode type in areas (0, 0) -> (300, 300) and (200, 0) -> (400, 400)
CBarcodeContext objBarcodeContextZone2 = CBarcodeContext::Create(BarcodeType::QRCode);
IDRS_RECT rcZone2 = { 200, 0, 400, 400 };
CPolygon objZone2 = CPolygon::Create(rcZone2);
CBarcodeZonalSettings objZonalSettings2 = CBarcodeZonalSettings::Create();
objZonalSettings2.SetContext(objBarcodeContextZone2);
objZonalSettings2.GetZones.AddTail(objZone1);
objZonalSettings2.GetZones.AddTail(objZone2);


// set the zonal settings
xBarcodeZonalSettings.AddTail(objZonalSettings1);
xBarcodeZonalSettings.AddTail(objZonalSettings2);
CBarcodeZonalParams objBarcodeZonalParams = CBarcodeZonalParams::Create();
objBarcodeZonalParams.SetZonalSettings(xBarcodeZonalSettings);


// run barcode detection
CBarcodeDetection objBarcodeDetection = CBarcodeDetection::Create(objIdrs, objBarcodeZonalParams);
CBarcodeArray xDetectedBarcodes = objBarcodeDetection.DetectBarcodes(objPage);


// now the CBarcodeArray contains a list with the detected barcodes
// Load the source image
CIDRS objIDRS = new CIDRS();
CImageIO objImageIO = new CImageIO(objIDRS);
CImage objImage = objImageIO.LoadImage("my file");


CIDRSObjArray<CBarcodeZonalSettings> xBarcodeZonalSettings = new CIDRSObjArray<CBarcodeZonalSettings>();


// define the settings for first zone: search for Ean13 barcode type in area (0, 0) -> (300, 300)
CBarcodeContext objBarcodeContextZone1 = new CBarcodeContext(BarcodeType.Ean13);
CIDRSRect rcZone1 = new CIDRSRect( 0, 0, 300, 300 );
CBarcodeZonalSettings objZonalSettings1 = new CBarcodeZonalSettings()
{
  Context = objBarcodeContextZone1
};
objZonalSettings1.Zones.Add(new CPolygon(rcZone1));


// define the settings for second zone: search for QRCode barcode type in areas (0, 0) -> (300, 300) and (200, 0) -> (400, 400)
CBarcodeContext objBarcodeContextZone2 = new CBarcodeContext(BarcodeType.QrCode);
CIDRSRect rcZone2 = new CIDRSRect( 200, 0, 400, 400 );
CBarcodeZonalSettings objZonalSettings2 = new CBarcodeZonalSettings()
{
  Context = objBarcodeContextZone2
};
objZonalSettings2.Zones.Add(new CPolygon(rcZone1));
objZonalSettings2.Zones.Add(new CPolygon(rcZone2));


// set the zonal settings
xBarcodeZonalSettings.Add(objZonalSettings1);
xBarcodeZonalSettings.Add(objZonalSettings2);
CBarcodeZonalParams objBarcodeZonalParams = new CBarcodeZonalParams
{
  ZonalSettings = xBarcodeZonalSettings
};


// run barcode detection
CBarcodeDetection objBarcodeDetection = new CBarcodeDetection(objIDRS, objBarcodeZonalParams);
CIDRSObjArray<CBarcode> xDetectedBarcodes = objBarcodeDetection.DetectBarcodes(objImage);


// now the CBarcodeArray contains a list with the detected barcodes