example/image-scanner/image-scanner.cs

/*------------------------------------------------------------------------
 *  Copyright 2009 (c) Jonas Finnemann Jensen <jopsen@gmail.com>
 * 
 *  This file is part of the ZBar CIL Wrapper.
 *
 *  The ZBar CIL Wrapper is free software; you can redistribute it
 *  and/or modify it under the terms of the GNU Lesser Public License as
 *  published by the Free Software Foundation; either version 2.1 of
 *  the License, or (at your option) any later version.
 *
 *  The ZBar CIL Wrapper is distributed in the hope that it will be
 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 *  of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser Public License
 *  along with the ZBar CIL Wrapper; if not, write to the Free
 *  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 *  Boston, MA  02110-1301  USA
 * 
 *------------------------------------------------------------------------*/

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using ZBar;

namespace Example.ImageScanner
{
    class SimpleImageScanner
    {
        static void Main(string[] args){
            //List of files to scan
            List<string> files = new List<string>();
            
            //Copy arguments into files (ignore this part)
            for(int i = 1; i < args.Length; i++){
                if(args[i] == "--help" || args[i] == "-h")
                    Console.WriteLine("Usage ./{0} [file1] [file2] [file3] ...", args[0]);
                else
                    files.Add(args[i]);
            }
            if(files.Count == 0)
                files.Add("barcode.bmp");
            
            //Create an instance of scanner
            using(var scanner = new ZBar.ImageScanner()){
                //We won't use caching here
                scanner.Cache = false;
                
                //For each file that we need scanned
                foreach(string file in files){
                    Console.WriteLine("Symbols in {0}:", file);
                    
                    //Open the file, using System.Drawing to read it
                    System.Drawing.Image img = System.Drawing.Image.FromFile(file);
                    
                    //Scan the image for symbols, using System.Drawing and ZBar for conversation
                    //Please note that this is no way an efficient implementation, more optimizations
                    //of the conversation code etc, could easily be implemented.
                    List<Symbol> symbols = scanner.Scan(img);
                    
                    //For each symbol we've found
                    foreach(Symbol symbol in symbols)
                        Console.WriteLine("\t" + symbol.ToString());
                }
            }
        }
    }
}