BarcodeMicroQRReaderGetBarcodeY3 Method (GdPictureImaging)
Returns the Y position (in pixels) of the bottom-left corner of a barcode detected by the BarcodeMicroQRReaderDoScan method.
If ROI has been set, this coordinate is relative to the used ROI.
public int BarcodeMicroQRReaderGetBarcodeY3(
int
)
public function BarcodeMicroQRReaderGetBarcodeY3(
: Integer
): Integer;
public function BarcodeMicroQRReaderGetBarcodeY3(
: int
) : int;
public: int BarcodeMicroQRReaderGetBarcodeY3(
int
)
public:
int BarcodeMicroQRReaderGetBarcodeY3(
int
)
'Declaration
Public Function BarcodeMicroQRReaderGetBarcodeY3( _
ByVal As Integer _
) As Integer
Parameters
- BarcodeNo
- Barcode index. Must be between 1 and BarcodeMicroQRReaderGetBarcodeCount returned value.
Return Value
The barcode Y position of the bottom-left corner; relative to the ROI, if any is defined.
Finding Micro Qr Code barcodes in an image and writing complete barcodes info into a file.
using (GdPictureImaging gdpictureImaging = new GdPictureImaging())
{
int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.jpg", false);
// Set to 0, so all the Micro QR Codes in the image should be found.
int expectedBarcodes = 0;
// Perform scanning at best speed, ignoring very damaged barcodes.
BarcodeQRReaderScanMode mode = BarcodeQRReaderScanMode.BestSpeed;
// Start the Micro Qr Code scanning process and write info into a text file.
gdpictureImaging.BarcodeMicroQRReaderDoScan(imageID, mode, expectedBarcodes);
using (System.IO.StreamWriter file = new System.IO.StreamWriter("MicroQrCodes.txt"))
{
int barcodesFound = gdpictureImaging.BarcodeMicroQRReaderGetBarcodeCount();
for (int i = 1; i <= barcodesFound; i++)
{
// Decoded information.
file.WriteLine("Decoded info = " + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeValue(i));
// The skew angle of the barcode, in degrees.
file.WriteLine("Skew angle = " + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeSkewAngle(i));
// Confidence in result, in percentage (values from 0 to 100).
file.WriteLine("Confidence = " + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeConfidence(i));
// The version of a Micro Qr Code, in range 1-4. The higher the version, the larger the barcode is.
file.WriteLine("Version = " + gdpictureImaging.BarcodeMicroQRReaderGetVersion(i));
// The barcode position, given by the coordinates of the corners.
file.WriteLine("Position = Top-Left=["
+ gdpictureImaging.BarcodeMicroQRReaderGetBarcodeX1(i) + ", " + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeY1(i)
+ "] Top-Right=[" + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeX2(i) + ", " + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeY2(i)
+ "] Bottom-Right=[" + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeX3(i) + ", " + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeY3(i)
+ "] Bottom-Left=[" + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeX4(i) + ", " + gdpictureImaging.BarcodeMicroQRReaderGetBarcodeY4(i) + "]");
}
}
// Release used resources.
gdpictureImaging.BarcodeMicroQRReaderClear();
gdpictureImaging.ReleaseGdPictureImage(imageID);
}