BarcodePDF417ReaderGetBarcodeX4 Method (GdPictureImaging)
Returns the X position (in pixels) of the bottom-right corner of a barcode detected by the BarcodePDF417ReaderDoScan method.
If ROI has been set, this coordinate is relative to the used ROI.
public int BarcodePDF417ReaderGetBarcodeX4(
int
)
public function BarcodePDF417ReaderGetBarcodeX4(
: Integer
): Integer;
public function BarcodePDF417ReaderGetBarcodeX4(
: int
) : int;
public: int BarcodePDF417ReaderGetBarcodeX4(
int
)
public:
int BarcodePDF417ReaderGetBarcodeX4(
int
)
'Declaration
Public Function BarcodePDF417ReaderGetBarcodeX4( _
ByVal As Integer _
) As Integer
Parameters
- BarcodeNo
- Barcode index. Must be between 1 and BarcodePDF417ReaderGetBarcodeCount returned value.
Return Value
The barcode X position of the bottom-right corner; relative to the ROI, if any is defined.
Finding PDF417 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 PDF417 barcodes in the image should be found.
int expectedBarcodes = 0;
// Perform scanning at best speed, ignoring very damaged barcodes.
BarcodePDF417ReaderScanMode mode = BarcodePDF417ReaderScanMode.BestSpeed;
// Start the PDF417 barcode scanning process and write info into a text file.
gdpictureImaging.BarcodePDF417ReaderDoScan(imageID, mode, expectedBarcodes);
using (System.IO.StreamWriter file = new System.IO.StreamWriter("PDF417.txt"))
{
int barcodesFound = gdpictureImaging.BarcodePDF417ReaderGetBarcodeCount();
for (int i = 1; i <= barcodesFound; i++)
{
// Decoded information.
file.WriteLine("Decoded info = " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeValue(i));
// The raw bytes decoded. It was post-processed to find the correct decoded info based on detected Encoding.
file.WriteLine("Raw bytes = " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeValueRAW(i));
// The number of rows of the barcode.
file.WriteLine("Rows = " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeRows(i));
// The number of columns of the barcode.
file.WriteLine("Columns = " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeColumns(i));
// The skew angle of the barcode, in degrees.
file.WriteLine("Skew angle = " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeSkewAngle(i));
// Confidence in result, in percentage (values from 0 to 100).
file.WriteLine("Confidence = " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeConfidence(i));
// The barcode position, given by the coordinates of the corners.
file.WriteLine("Position = Top-Left=["
+ gdpictureImaging.BarcodePDF417ReaderGetBarcodeX1(i) + ", " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeY1(i)
+ "] Top-Right=[" + gdpictureImaging.BarcodePDF417ReaderGetBarcodeX2(i) + ", " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeY2(i)
+ "] Bottom-Right=[" + gdpictureImaging.BarcodePDF417ReaderGetBarcodeX3(i) + ", " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeY3(i)
+ "] Bottom-Left=[" + gdpictureImaging.BarcodePDF417ReaderGetBarcodeX4(i) + ", " + gdpictureImaging.BarcodePDF417ReaderGetBarcodeY4(i) + "]");
}
}
// Release used resources.
gdpictureImaging.BarcodePDF417ReaderClear();
gdpictureImaging.ReleaseGdPictureImage(imageID);
}