Barcode index. Must be between 1 and BarcodeDataMatrixReaderReaderGetBarcodeCount returned value.
Example





In This Topic
GdPicture14 Namespace / GdPictureImaging Class / BarcodeDataMatrixReaderGetBarcodeConfidence Method

BarcodeDataMatrixReaderGetBarcodeConfidence Method (GdPictureImaging)

In This Topic
Returns the confidence of a barcode detected by the BarcodeDataMatrixReaderReaderDoScan method.
Syntax
'Declaration

 

Public Function BarcodeDataMatrixReaderGetBarcodeConfidence( _

   ByVal BarcodeNo As Integer _

) As Single
public float BarcodeDataMatrixReaderGetBarcodeConfidence( 

   int BarcodeNo

)
public function BarcodeDataMatrixReaderGetBarcodeConfidence( 

    BarcodeNo: Integer

): Single; 
public function BarcodeDataMatrixReaderGetBarcodeConfidence( 

   BarcodeNo : int

) : float;
public: float BarcodeDataMatrixReaderGetBarcodeConfidence( 

   int BarcodeNo

) 
public:

float BarcodeDataMatrixReaderGetBarcodeConfidence( 

   int BarcodeNo

) 

Parameters

BarcodeNo
Barcode index. Must be between 1 and BarcodeDataMatrixReaderReaderGetBarcodeCount returned value.

Return Value

The barcode confidence. In the range [(less trust) 0 - 100 (full trust)]
Example
Finding DataMatrix barcodes in an image and writes complete barcodes info into a file.
using (GdPictureImaging gdpictureImaging = new GdPictureImaging())

{

    int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.jpg", false);

 

    // Set to 0, so all the DataMatrix barcodes in the image should be found.

    int expectedBarcodes = 0;

 

    // Perform scanning at best speed, ignoring very damaged barcodes.

    BarcodeDataMatrixReaderScanMode mode = BarcodeDataMatrixReaderScanMode.BestSpeed;

 

    // Start the DataMatrix scanning process and write info into a text file.

    gdpictureImaging.BarcodeDataMatrixReaderDoScan(imageID, mode, expectedBarcodes);

 

    using (System.IO.StreamWriter file = new System.IO.StreamWriter("DataMatrix.txt"))

    {

        int barcodesFound = gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeCount();

 

        for (int i = 1; i <= barcodesFound; i++)

        {

            // Decoded information.

            file.WriteLine("Decoded info = " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeValue(i));

 

            // The skew angle of the barcode, in degrees.

            file.WriteLine("Skew angle = " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeSkewAngle(i));

 

            // The number of rows of the barcode.

            file.WriteLine("Rows = " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeRows(i));

 

            // The number of columns of the barcode.

            file.WriteLine("Columns = " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeColumns(i));

 

            // The raw bytes decoded. It was post-processed to find the correct decoded info based on detected Encoding.

            file.WriteLine("Raw bytes = " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeValueRAW(i));

            // Confidence in result, in percentage (values from 0 to 100).

            file.WriteLine("Confidence = " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeConfidence(i));

            

            // The barcode position, given by the coordinates of the corners.

            file.WriteLine("Position =  Top-Left=["

                + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeX1(i) + ", " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeY1(i)

                + "] Top-Right=[" + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeX2(i) + ", " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeY2(i)

                + "] Bottom-Right=[" + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeX3(i) + ", " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeY3(i)

                + "] Bottom-Left=[" + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeX4(i) + ", " + gdpictureImaging.BarcodeDataMatrixReaderGetBarcodeY4(i) + "]");

        }

    }

 

    // Release used resources.

    gdpictureImaging.BarcodeDataMatrixReaderClear();

    gdpictureImaging.ReleaseGdPictureImage(imageID);

}
See Also