TImagePlugin.h

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// @(#)root/graf:$Id$
// Author: Valeriy Onuchin   23/06/05
 
/*************************************************************************
 * Copyright (C) 2001-2002, Rene Brun, Fons Rademakers and Reiner Rohlfs *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#ifndef ROOT_TImagePlugin
#define ROOT_TImagePlugin
 
 
#include "TObject.h"
 
#include "TString.h"
 
#include "TROOT.h"
 
class TImagePlugin : public TObject {
 
protected:
   TString fExtension;  ///< file extension
 
public:
   TImagePlugin(const char *ext) { fExtension = ext; }
   virtual ~TImagePlugin()
   {
      // Required since we overload TObject::Hash.
      ROOT::CallRecursiveRemoveIfNeeded(*this);
   }
 
   virtual unsigned char *ReadFile(const char *filename, UInt_t &w,  UInt_t &h) = 0;
   virtual Bool_t WriteFile(const char *filename, unsigned char *argb, UInt_t w,  UInt_t  h) = 0;
   ULong_t Hash() const { return fExtension.Hash(); }
 
   ClassDef(TImagePlugin, 0)  // base class for different image format handlers(plugins)
};
 
#endif