Imports Vintasoft.Imaging   
   
Imports Vintasoft.Barcode   
Imports Vintasoft.Barcode.BarcodeInfo   
Imports Vintasoft.Barcode.QualityTests   
   
''' <summary>
''' Test that shows how to test the print quality of matrix 2D barcodes
''' (Aztec, DataMatrix, Han Xin Code, QR and MicroQR).
''' </summary>
Class ISO15415QualityTestMatrixExample   
   
    ''' <summary>
    ''' Runs the test.
    ''' </summary>
    Public Shared Sub Test(filename As String)   
        ' load image with barcode from file
        Using barcodeImage As VintasoftBitmap = ImageCodecs.[Default].Decode(filename)   
            ' read barcodes from image and test the print quality of 2D barcodes
            ReadBarcodesAndTestBarcodePrintQuality(barcodeImage)   
        End Using   
    End Sub   
   
    ''' <summary>
    ''' Reads barcodes from image and tests the print quality of 2D barcodes.
    ''' </summary>
    Public Shared Sub ReadBarcodesAndTestBarcodePrintQuality(imageWithBarcodes As VintasoftBitmap)   
        ' create the barcode reader
        Using reader As New BarcodeReader()   
            ' specify that reader must collect information for quality test
            reader.Settings.CollectTestInformation = True   
   
            ' specify that reader must search for Aztec, DataMatrix, Han Xin Code, QR and MicroQR barcodes only
            reader.Settings.ScanBarcodeTypes = BarcodeType.Aztec Or BarcodeType.DataMatrix Or BarcodeType.QR Or BarcodeType.MicroQR Or BarcodeType.HanXinCode   
   
            ' read barcodes
            Dim barcodeInfos As IBarcodeInfo() = reader.ReadBarcodes(imageWithBarcodes)   
   
            ' for each found barcode
            For i As Integer = 0 To barcodeInfos.Length - 1   
                ' test print quality of barcode using ISO 15415 test
                Dim test As New ISO15415QualityTest()   
                test.CalculateGrades(DirectCast(barcodeInfos(i), BarcodeInfo2D), imageWithBarcodes)   
   
                ' print results of ISO 15415 test
   
                Console.WriteLine(String.Format("[{0}] {1}", barcodeInfos(i).BarcodeType, barcodeInfos(i).Value))   
                Console.WriteLine(String.Format("Decode                                  : {0}", test.Decode))   
                Console.WriteLine(String.Format("Unused error correction                 : {0} ({1})", test.UnusedErrorCorrection, test.UnusedErrorCorrection.ValueText))   
                Console.WriteLine(String.Format("Symbol contrast                         : {0} ({1})", test.SymbolContrast, test.SymbolContrast.ValueText))   
                Console.WriteLine(String.Format("Axial nonuniformity                     : {0} ({1})", test.AxialNonuniformity, test.AxialNonuniformity.ValueText))   
                Console.WriteLine(String.Format("Grid nonuniformity                      : {0} ({1})", test.GridNonuniformity, test.GridNonuniformity.ValueText))   
                Console.WriteLine(String.Format("Modulation                              : {0}", test.Modulation))   
                Console.WriteLine(String.Format("Fixed pattern damage                    : {0}", test.FixedPatternDamage))   
                For Each name As String In test.AdditionalGrades.Keys   
                    Console.WriteLine(String.Format("{0}: {1}", name.PadRight(40, " "C), test.AdditionalGrades(name)))   
                Next   
                If test.QuietZone IsNot Nothing Then   
                    Console.WriteLine(String.Format("Quiet zone                              : {0} ({1})", test.QuietZone.GradeText, test.QuietZone.ValueText))   
                End If   
                Console.WriteLine(String.Format("Distortion angle (informative)          : {0}", test.DistortionAngle.ValueText))   
                Console.WriteLine(String.Format("-------------Scan grade                 : {0}", test.OverallSymbolGrade))   
                Console.WriteLine()   
            Next   
        End Using   
    End Sub   
End Class

using System;

using Vintasoft.Imaging;

using Vintasoft.Barcode;
using Vintasoft.Barcode.BarcodeInfo;
using Vintasoft.Barcode.QualityTests;

/// <summary>
/// Test that shows how to test the print quality of multi-row 2D barcodes
/// (PDF417, PDF417Compact and MicroPDF417).
/// </summary>
class ISO15415QualityTestMultiRowExample
{

    /// <summary>
    /// Runs the test.
    /// </summary>
    public static void Test()
    {
        // load image with barcode from file
        using (VintasoftBitmap barcodeImage = ImageCodecs.Default.Decode("test1.jpg"))
        {
            // read barcodes from image and test the print quality of 2D barcodes
            ReadBarcodesAndTestBarcodePrintQuality(barcodeImage);
        }
    }

    /// <summary>
    /// Reads barcodes from image and tests the print quality of 2D barcodes.
    /// </summary>
    /// <param name="imageWithBarcodes"></param>
    public static void ReadBarcodesAndTestBarcodePrintQuality(VintasoftBitmap imageWithBarcodes)
    {
        // create the barcode reader
        using (BarcodeReader reader = new BarcodeReader())
        {
            // specify that reader must collect information for quality test
            reader.Settings.CollectTestInformation = true;

            // specify that reader must search for PDF417, PDF417Compact and MicroPDF417 barcodes only
            reader.Settings.ScanBarcodeTypes =
                BarcodeType.PDF417 | BarcodeType.PDF417Compact | BarcodeType.MicroPDF417;

            // read barcodes
            IBarcodeInfo[] barcodeInfos = reader.ReadBarcodes(imageWithBarcodes);

            // for each found barcode
            for (int i = 0; i < barcodeInfos.Length; i++)
            {
                // test print quality of barcode using ISO 15415 test
                ISO15415QualityTest test = new ISO15415QualityTest();
                test.CalculateGrades((BarcodeInfo2D)barcodeInfos[i], imageWithBarcodes);

                // print results of ISO 15415 test

                Console.WriteLine(string.Format("[{0}] {1}",
                    barcodeInfos[i].BarcodeType, barcodeInfos[i].Value));
                Console.WriteLine(string.Format("Decode                 : {0}", test.Decode));
                Console.WriteLine(string.Format("Unused error correction: {0} ({1})", test.UnusedErrorCorrection, test.UnusedErrorCorrection.ValueText));
                if (test.StartPatternTestGrade != null)
                    Console.WriteLine(string.Format("Start pattern test:      {0}", test.StartPatternTestGrade));
                if (test.CenterPatternTestGrade != null)
                    Console.WriteLine(string.Format("Center pattern test:     {0}", test.CenterPatternTestGrade));
                if (test.CenterPatternTestGrade != null)
                    Console.WriteLine(string.Format("Stop pattern test:       {0}", test.CenterPatternTestGrade));
                Console.WriteLine(string.Format("Codeword yield:          {0}", test.CodewordYield));
                Console.WriteLine(string.Format("Codeword print quality:  {0}", test.CodewordPrintQualityGrade));
                if (test.QuietZone >= 0)
                    Console.WriteLine(string.Format("Quiet zone:              {0} ({1})", test.QuietZone, test.QuietZone.ValueText));
                Console.WriteLine(string.Format("Distortion angle:        {0}", test.DistortionAngle.ValueText));
                Console.WriteLine(string.Format("-------------Scan grade: {0}", test.OverallSymbolGrade));
                Console.WriteLine();
            }
        }
    }
}