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795
Reading barcode from tiff files returns empty string
posted

Hi,
Reading from Tiff file
----------------------------
I am trying to read barcode from multipage file, but it is returning empty string after reading the tiff file. I have attached both code I am using and till file with this post. Please advise me why it is not able to read the barcodes from tiff file.
Reading from Pdf file
-----------------------------
Apart form tiff, I want to read barcodes from pdf files also. Please advise me what APIs are provided by infragistics to read barcodes from pdf file. Please throw some code samples for reading barcode from pdf files.
The below code is to read barcode from tiff file.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Windows.Media.Imaging;
//using System.Drawing;
using System.Windows;
using
 System.Windows.Controls;
//using System.Windows.Media;
using
 Infragistics.Controls.Barcodes;
namespace
 ConsoleApplication1
{
class
Program
{
static void Main(string
[] args)
{
Stream imageStreamSource = new FileStream(@"C:\Data\Srirangam\test.tif", FileMode.Open, FileAccess.Read, FileShare
.Read);
TiffBitmapDecoder decoder = new TiffBitmapDecoder(imageStreamSource, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption
.Default);
BitmapSource
 bitmapSource = decoder.Frames[1];
BarcodeReader barReader = new BarcodeReader();
barReader.BarcodeOrientation = SymbolOrientation.Unspecified;
barReader.MaxNumberOfSymbolsToRead = 5;
barReader.DecodeComplete += new EventHandler<ReaderDecodeArgs>(barReader_DecodeComplete);
barReader.Decode(bitmapSource, Symbology.All);
}
static void barReader_DecodeComplete(object sender, ReaderDecodeArgs e)
{
String barValue = e.Value;
Console.WriteLine(barValue);
}
}
}

Regards
Uthay

 

test.zip
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