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 * This library is free software; you can redistribute it and/or modify it   *
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#ifndef OSGEXRIMAGEFILETYPE
#define OSGEXRIMAGEFILETYPE
#ifdef  __sig
#pragma  once
#endif

#include <OpenSG/OSGBaseTypes.h>
#include <OpenSG/OSGImageFileType.h>

#include "OSGExtentionDef.h"

OSG_BEGIN_NAMESPACE

/*! \brief EXR File Handler. Used to read/write ILM OpenEXR files.
See \ref PageSystemImage for a detailed description.
*/

class OSG_EXTENTIONLIB_DLLMAPPING EXRImageFileType : public ImageFileType
{
    /*==========================  PUBLIC  =================================*/
  public:

    /*---------------------------------------------------------------------*/
    /*! \name                   Destructor                                 */
    /*! \{                                                                 */

    virtual ~EXRImageFileType (void);

    /*! \}                                                                 */
    /*---------------------------------------------------------------------*/
    /*! \name                  Get Methods                                 */
    /*! \{                                                                 */

    static EXRImageFileType& the (void);

    /*! \}                                                                 */
    /*---------------------------------------------------------------------*/
    /*! \name                   Read/Write                                 */
    /*! \{                                                                 */

    virtual bool read  ( ImagePtr &image,
                         std::istream &is, const std::string &mimeType);

    virtual bool write ( const ImagePtr &image,
                         std::ostream &os, const std::string &mimeType);

    /*! \}                                                                 */

    /*=========================  PROTECTED  ===============================*/
  protected:

    /*---------------------------------------------------------------------*/
    /*! \name               Default Constructor                            */
    /*! \{                                                                 */

    EXRImageFileType ( const Char8 *mimeType,
                       const Char8 *suffixArray[], UInt16 suffixByteCount,
                       UInt32 flags );

    /*! \}                                                                 */
    /*---------------------------------------------------------------------*/
    /*! \name                     Buffer                                   */
    /*! \{                                                                 */

    virtual UInt64 restoreData ( ImagePtr &image, const UChar8 *buffer,
                                 Int32 memSize = -1 );

    virtual UInt64 storeData   ( const ImagePtr &image, UChar8 *buffer,
                                 Int32 memSize = -1 );
    /*! \}                                                                 */
    /*---------------------------------------------------------------------*/
    /*! \name                     File I/O                                 */
    /*! \{                                                                 */

    bool isOpenExrFile(std::istream &is);
    
    /*! \}                                                                 */

    /*==========================  PRIVATE  ================================*/
  private:

    EXRImageFileType (const EXRImageFileType &obj);

    

    typedef ImageFileType Inherited;

    static  EXRImageFileType _the;

};

typedef EXRImageFileType* EXRImageFileTypeP;

OSG_END_NAMESPACE

#endif // OSGEXRIMAGEFILETYPE