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#1 Posted : Thursday, October 27, 2005 10:10:50 AM(UTC)

valk01  
valk01

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Hi All!

I that posible to generate 1D barcode and display it on aspx page inside html table?

Thanks,

Victor

 

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#2 Posted : Monday, October 31, 2005 3:46:14 AM(UTC)

Bashar  
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Yes, that is possible.  I do not have a sample right now, but  if you need one I will try to write one for you.

Bashar Abdulqaiyume
LEAD Technologies, Inc.
 
#3 Posted : Friday, November 4, 2005 3:37:06 AM(UTC)

valk01  
valk01

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Posts: 4


Thanks Bashar.

I was able to generate Raster Image object in the memory. Now I need to stick this image inside <td> tag

 

Please help.

Here is my code..

 

    Private Function CreateLeadBarcodeImage(ByVal sText As String, ByVal iBarcodeType As Integer) As RasterImage

 

        Dim iWidth As Integer = 0

        Dim iHeight As Integer = 0

 

        Dim newImage As RasterImage

        newImage = New RasterImage(RasterMemoryFlags.Managed, 400, _

                400, 1, RasterByteOrder.Bgr, RasterViewPerspective.TopLeft, Nothing, Nothing)

 

        Dim command As Leadtools.ImageProcessing.FillCommand = New Leadtools.ImageProcessing.FillCommand

        command.Color = New Leadtools.RasterColor(255, 255, 255)

        command.Run(newImage)

 

        Dim objAxLEADBarCode As New LTBARLib.LEADBarCodeClass

 

        'unlock support

        RasterSupport.Unlock(RasterSupportType.Barcodes1d, "testkey")

        objAxLEADBarCode.UnlockSupport(LTBARLib.tagSupportLockConstants.L_SUPPORT_BARCODES_1D, "testkey")

 

        Dim nret As Integer

 

        'Convert IRasterImage to LEAD OCX Image

        Dim ocxbitmap As IntPtr = RasterImageConverter.ToLeadBitmap(newImage, "LTKRN14N.DLL")

        objAxLEADBarCode.Bitmap = ocxbitmap.ToInt32()

        Marshal.FreeHGlobal(ocxbitmap)

 

        objAxLEADBarCode.Units = LTBARLib.tagBARCODE_UNITS.BARCODE_SCANLINES_PER_PIXELS

 

        With objAxLEADBarCode.Linear

            .EnableErrorCheck = True

            .EnableWriteText = True

        End With

 

        'Write Barcode

        nret = objAxLEADBarCode.Write(iBarcodeType, sText, 0, 0, 400, 65)

 

        'Convert LEAD OCX Image to IRasterImage

        newImage = RasterImageConverter.FromLeadBitmap(New IntPtr(objAxLEADBarCode.Bitmap), "LTKRN14N.DLL")

 

        objAxLEADBarCode.Bitmap = 0

        objAxLEADBarCode = Nothing

 

        Return newImage

 

    End Function

 

Thanks again

 

Valk

 
#4 Posted : Monday, November 7, 2005 11:51:58 PM(UTC)

Bashar  
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Hi Valk,

The following HTML code sticks an image in a table cell.  Is that what you want?

<table border = "1">
<tr>
<td><img src="D:\Customers\CLF.jpg"/></td>
</tr>
</table>

You need to save the image to disk first.
 
#5 Posted : Tuesday, November 8, 2005 5:42:35 AM(UTC)

valk01  
valk01

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Posts: 4


Hi Bashar!

Thanks.

Let me ask you one more question. Is saving image to the disk would be the only one option? Or I can still display image from the memory, using something like response.OutputStream.

 

 
#6 Posted : Wednesday, November 9, 2005 1:02:54 AM(UTC)

Bashar  
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Hello,


After writing the barcode to the image, try saving the image to a
memory stream then calling Response.BinaryWrite to write the stream to the client.  I hope this helps.

Bashar
 
#7 Posted : Friday, November 11, 2005 7:18:00 AM(UTC)

valk01  
valk01

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Posts: 4


Do you have any examples how to do this?  Even after saving image to a memory stream, how would you display it inside <td> tag.

Thanks

 
#8 Posted : Thursday, November 17, 2005 6:13:30 AM(UTC)

Bashar  
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Just specify the URL of the page that calls Response.BinaryWrite in the SRC attribute of the <IMG> tag.
 
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