PatchCodeReaderGetCodeX1 Method (GdPictureImaging)
Returns the X position (in pixels) of the top-left corner of a Patch Code detected by the
PatchCodeReaderDoScan method.
public int PatchCodeReaderGetCodeX1(
int
)
public function PatchCodeReaderGetCodeX1(
: Integer
): Integer;
public function PatchCodeReaderGetCodeX1(
: int
) : int;
public: int PatchCodeReaderGetCodeX1(
int
)
public:
int PatchCodeReaderGetCodeX1(
int
)
'Declaration
Public Function PatchCodeReaderGetCodeX1( _
ByVal As Integer _
) As Integer
Parameters
- PatchCodeNo
- Patch Code index. Must be between 1 and PatchCodeReaderGetCodeCount returned
value.
Return Value
The Patch Code X position of the top-left corner.
Finding patch codes in an image and writing complete barcodes info into a file.
using (GdPictureImaging gdpictureImaging = new GdPictureImaging())
{
int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.jpg", false);
// Start the patch codes scanning process and write complete information into a text file.
gdpictureImaging.PatchCodeReaderDoScan(imageID);
using (System.IO.StreamWriter file = new System.IO.StreamWriter("patch codes.txt"))
{
int patch codesFound = gdpictureImaging.PatchCodeReaderGetCodeCount();
for (int i = 1; i <= patch codesFound; i++)
{
// Patch codes type, possible values are 1, 2, 4, 8, 16 or 32.
PatchCodeType type = gdpictureImaging.PatchCodeReaderGetCodeType(i);
file.WriteLine("Patch code type = " + type.ToString());
// The patch code position, given by the coordinates of the corners.
file.WriteLine("Position = Top-Left=["
+ gdpictureImaging.PatchCodeReaderGetCodeX1(i) + ", " + gdpictureImaging.PatchCodeReaderGetCodeY1(i)
+ "] Top-Right=[" + gdpictureImaging.PatchCodeReaderGetCodeX2(i) + ", " + gdpictureImaging.PatchCodeReaderGetCodeY2(i)
+ "] Bottom-Right=[" + gdpictureImaging.PatchCodeReaderGetCodeX3(i) + ", " + gdpictureImaging.PatchCodeReaderGetCodeY3(i)
+ "] Bottom-Left=[" + gdpictureImaging.PatchCodeReaderGetCodeX3(i) + ", " + gdpictureImaging.PatchCodeReaderGetCodeY4(i) + "]");
}
}
// Release used resources.
gdpictureImaging.PatchCodeReaderClear();
gdpictureImaging.ReleaseGdPictureImage(imageID);
}