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()   
        ' load image with barcode from file
        Using barcodeImage As VintasoftBitmap = ImageCodecs.[Default].Decode("test1.jpg")   
            ' 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}", GradeToString(test.DecodeGrade)))   
                Console.WriteLine(String.Format("Unused error correction                 : {0} ({1}%)", GradeToString(test.UnusedErrorCorrectionGrade), test.UnusedErrorCorrection))   
                Console.WriteLine(String.Format("Symbol contrast                         : {0} ({1}%)", GradeToString(test.SymbolContrastGrade), test.SymbolContrast))   
                Console.WriteLine(String.Format("Axial nonuniformity                     : {0} ({1})", GradeToString(test.AxialNonuniformityGrade), test.AxialNonuniformity))   
                Console.WriteLine(String.Format("Grid nonuniformity                      : {0} ({1} cell)", GradeToString(test.GridNonuniformityGrade), test.GridNonuniformity))   
                Console.WriteLine(String.Format("Modulation                              : {0}", GradeToString(test.ModulationGrade)))   
                Console.WriteLine(String.Format("Reflectance margin                      : {0}", GradeToString(test.ReflectanceMarginGrade)))   
                Console.WriteLine(String.Format("Fixed pattern damage                    : {0}", GradeToString(test.FixedPatternDamageGrade)))   
                For Each name As String In test.AdditionalGrades.Keys   
                    Console.WriteLine(String.Format("{0}: {1}", name.PadRight(40, " "C), GradeToString(test.AdditionalGrades(name))))   
                Next   
                If test.QuietZone >= 0 Then   
                    Console.WriteLine(String.Format("Quiet zone                              : {0} ({1} %)", GradeToString(test.QuietZoneGrade), test.QuietZone))   
                End If   
                Console.WriteLine(String.Format("Distortion angle (informative)          : {0}�", test.DistortionAngle))   
                Console.WriteLine(String.Format("-------------Scan grade                 : {0}", GradeToString(test.ScanGrade)))   
                Console.WriteLine()   
            Next   
        End Using   
    End Sub   
   
    ''' <summary>
    ''' Converts ISO15415 quality grade into string value.
    ''' </summary>
    Private Shared Function GradeToString(grade As ISO15415QualityGrade) As String   
        Return String.Format("{0}({1})", CInt(grade).ToString(), grade)   
    End Function   
   
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 matrix 2D barcodes
/// (Aztec, DataMatrix, Han Xin Code, QR and MicroQR).
/// </summary>
class ISO15415QualityTestMatrixExample
{

    /// <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>
    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 Aztec, DataMatrix, Han Xin Code, QR and MicroQR barcodes only
            reader.Settings.ScanBarcodeTypes = 
                BarcodeType.Aztec | BarcodeType.DataMatrix |
                BarcodeType.QR | BarcodeType.MicroQR | BarcodeType.HanXinCode;
            
            // 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}",
                    GradeToString(test.DecodeGrade)));
                Console.WriteLine(string.Format("Unused error correction                 : {0} ({1}%)",
                    GradeToString(test.UnusedErrorCorrectionGrade), test.UnusedErrorCorrection));
                Console.WriteLine(string.Format("Symbol contrast                         : {0} ({1}%)",
                    GradeToString(test.SymbolContrastGrade), test.SymbolContrast));
                Console.WriteLine(string.Format("Axial nonuniformity                     : {0} ({1})",
                    GradeToString(test.AxialNonuniformityGrade), test.AxialNonuniformity));
                Console.WriteLine(string.Format("Grid nonuniformity                      : {0} ({1} cell)",
                    GradeToString(test.GridNonuniformityGrade), test.GridNonuniformity));
                Console.WriteLine(string.Format("Modulation                              : {0}",
                    GradeToString(test.ModulationGrade)));
                Console.WriteLine(string.Format("Reflectance margin                      : {0}",
                    GradeToString(test.ReflectanceMarginGrade)));
                Console.WriteLine(string.Format("Fixed pattern damage                    : {0}",
                    GradeToString(test.FixedPatternDamageGrade)));
                foreach (string name in test.AdditionalGrades.Keys)
                    Console.WriteLine(string.Format("{0}: {1}",
                        name.PadRight(40, ' '), GradeToString(test.AdditionalGrades[name])));
                if (test.QuietZone >= 0)
                    Console.WriteLine(string.Format("Quiet zone                              : {0} ({1} %)",
                        GradeToString(test.QuietZoneGrade), test.QuietZone));
                Console.WriteLine(string.Format("Distortion angle (informative)          : {0}°",
                    test.DistortionAngle));
                Console.WriteLine(string.Format("-------------Scan grade                 : {0}",
                    GradeToString(test.ScanGrade)));
                Console.WriteLine();
            }
        }
    }

    /// <summary>
    /// Converts ISO15415 quality grade into string value.
    /// </summary>
    static string GradeToString(ISO15415QualityGrade grade)
    {
        return string.Format("{0}({1})", ((int)grade).ToString(), grade);
    }

}