#ifndef __creaImageIOAbstractImageReader_h_INCLUDED__
#define __creaImageIOAbstractImageReader_h_INCLUDED__


#include <vtkImageData.h>
#include <string>
#include <map>
#include <vector>
#include "creaImageIOTreeAttributeMapType.h"

namespace creaImageIO
{


  /**
   * \ingroup IO
   */
  
  //=====================================================================
  /// Abstract image reader 
  class AbstractImageReader 
  {
  public:
    AbstractImageReader() {}
    virtual ~AbstractImageReader() {}

	/// Get the reader's name
    const std::string& GetName() const { return mName; }

	/// Add file extensions read by the reader
    virtual void PushBackExtensions(std::vector<std::string>&) {}

	/// Test if file is read by this reader
    virtual bool CanRead(const std::string& filename) { return false; }

	/// return for a file a 2D VTkImage
    virtual vtkImageData* ReadImage(const std::string& filename) { return 0; }	

	/// Read the attributes for a file
    virtual void ReadAttributes(const std::string& filename, 
				tree::AttributeMapType& attr) {}

	/// Another function to read attributes for a file
	virtual void getAttributes(const std::string filename, std::map <std::string , std::string> &infos, std::vector<std::string> i_attr){}
  protected:

    /// Set the reader's name
    void SetName(const std::string& s) { mName = s; }
  private:
    std::string mName;
  };
  //=====================================================================



} // namespace creaImageIO



#endif // #ifndef __creaImageIOAbstractImageReader_h_INCLUDED__