This class contains QR barcode information for writing QR barcodes.
Syntax
| Visual Basic (Declaration) | |
|---|
Public Class BarcodeWriteQr |
| C# | |
|---|
public class BarcodeWriteQr |
| C++/CLI | |
|---|
public ref class BarcodeWriteQr |
Example
| Visual Basic |  Copy Code |
|---|
Private Sub BarcodeWriteQrExample()
RasterCodecs.Startup()
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.ThrowExceptionsOnInvalidImages = True
Dim image As RasterImage = codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "barcode1.tif")
Dim barEngine As BarcodeEngine
Try
RasterSupport.Unlock(RasterSupportType.Barcodes1D, "TestKey")
BarcodeEngine.Startup(BarcodeMajorTypeFlags.Barcodes1d)
barEngine = New BarcodeEngine()
Dim data As BarcodeData = New BarcodeData()
Dim rc As Rectangle = New Rectangle(100, 100, 0, 0)
data.Unit = BarcodeUnit.ScanlinesPerPixels
data.Location = rc
data.SearchType = BarcodeSearchTypeFlags.QrDefault
Dim barcodeText As String()
barcodeText = New String(0) {}
barcodeText(0) = "QR Default Size"
data.Data = BarcodeData.ConvertFromStringArray(barcodeText)
Dim barColor As BarcodeColor = New BarcodeColor()
barColor.BarColor = Color.Black
barColor.SpaceColor = Color.White
Dim bar1d As Barcode1d = New Barcode1d()
Dim barPDF As BarcodeWritePdf = New BarcodeWritePdf()
Dim barDM As BarcodeWriteDatamatrix = New BarcodeWriteDatamatrix()
Dim barQR As BarcodeWriteQr = New BarcodeWriteQr()
barQR.EccLevel = BarcodeQrEccLevel.LevelL
barQR.GroupNumber = 0
barQR.GroupTotal = 0
barQR.Justify = BarcodeJustifyFlags.Right
barQR.XModule = 0
barEngine.Write(image, data, barColor, BarcodeWriteFlags.InitializationReader Or BarcodeWriteFlags.Truncate, bar1d, barPDF, barDM, barQR, Rectangle.Empty)
BarcodeEngine.Shutdown()
Catch ex As BarcodeException
MessageBox.Show(ex.Message)
End Try
RasterCodecs.Shutdown()
End Sub |
| C# | Copy Code |
|---|
private void BarcodeWriteQrExample()
{
// Load an image
RasterCodecs.Startup();
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
string fileName = LeadtoolsExamples.Common.ImagesPath.Path + "barcode1.tif";
RasterImage image = codecs.Load(fileName);
BarcodeEngine barEngine;
try
{
// Unlock linear barcode support.
// Note that this is a sample key, which will not work in your toolkit
RasterSupport.Unlock(RasterSupportType.Barcodes1D, "TestKey");
// Initialize linear barcodes
BarcodeEngine.Startup(BarcodeMajorTypeFlags.Barcodes1d);
barEngine = new BarcodeEngine();
BarcodeData data = new BarcodeData();
Rectangle rc = new Rectangle(100, 100, 0, 0);
data.Unit = BarcodeUnit.ScanlinesPerPixels;
data.Location = rc;
data.SearchType = BarcodeSearchTypeFlags.QrDefault;
string[] barcodeText;
barcodeText = new string[1];
barcodeText[0] = "QR Default Size";
data.Data = BarcodeData.ConvertFromStringArray(barcodeText);
BarcodeColor barColor = new BarcodeColor();
barColor.BarColor = Color.Black;
barColor.SpaceColor = Color.White;
Barcode1d bar1d = new Barcode1d();
BarcodeWritePdf barPDF = new BarcodeWritePdf();
BarcodeWriteDatamatrix barDM = new BarcodeWriteDatamatrix();
BarcodeWriteQr barQR = new BarcodeWriteQr();
barQR.EccLevel = BarcodeQrEccLevel.LevelL;
barQR.GroupNumber = 0;
barQR.GroupTotal = 0;
barQR.Justify = BarcodeJustifyFlags.Right;
barQR.XModule = 0;
barEngine.Write(image, data, barColor, BarcodeWriteFlags.InitializationReader | BarcodeWriteFlags.Truncate, bar1d, barPDF, barDM, barQR, Rectangle.Empty);
BarcodeEngine.Shutdown();
}
catch (BarcodeException ex)
{
MessageBox.Show(ex.Message);
}
RasterCodecs.Shutdown();
} |
Remarks
Inheritance Hierarchy
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family
See Also
