bars2symfactory.h

barcode readers [ from Image]

//
// CBars2SymFactory
//   Provide access to all the CBars2Sym decoders
//
// Copyright (C) 2006 by Jon A. Webb
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library 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 General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//

#ifndef Bars2SymFactory_h
#define Bars2SymFactory_h

#include "Bars2Sym.h"

#include <e32std.h>

namespace Barcode
{

	class CBars2SymFactory: public CBase
    {
        // Lifecycle

    protected:
		// Constructor
		CBars2SymFactory();

	public:
		// Second phase of two phase constructor 
		IMPORT_C static CBars2SymFactory* NewL();

		// Initialize CBars2SymFactory
	private:
		void ConstructL();
    public:
		~CBars2SymFactory(void);

        // Operations
    public:

		// Get next decoder. Returns NULL if there are no more.
		CBars2Sym* Next();

		// Reset enumerator
		void Reset();

		// Accessors
		int Count() const;
    private:
		int iCurrent;
		RArray<CBars2Sym*>* iDecoders;
    };

};
#endif // Bars2SymFactory_h