ossimJpegCodec.h

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//---
//
// License: MIT
//
// Description: class declaration for base codec(encoder/decoder).
// 
//---
// $Id$

#ifndef ossimJpegCodec_HEADER
#define ossimJpegCodec_HEADER 1
#include <ossim/imaging/ossimCodecBase.h>

class OSSIM_DLL ossimJpegCodec : public ossimCodecBase
{
public:
   
   ossimJpegCodec();
   virtual ~ossimJpegCodec();

   virtual ossimString getCodecType()const;
   
   virtual bool encode( const ossimRefPtr<ossimImageData>& in,
                        std::vector<ossim_uint8>& out ) const;

   virtual bool decode( const std::vector<ossim_uint8>& in,
                        ossimRefPtr<ossimImageData>& out ) const;

   virtual const std::string& getExtension() const;

   virtual void setProperty(ossimRefPtr<ossimProperty> property);
   
   virtual ossimRefPtr<ossimProperty> getProperty(const ossimString& name)const; 
   
   virtual void getPropertyNames(std::vector<ossimString>& propertyNames)const;
   
   virtual bool loadState(const ossimKeywordlist& kwl, const char* prefix=0);
   
   virtual bool saveState(ossimKeywordlist& kwl, const char* prefix=0)const;
   
protected:

   bool decodeJpeg(const std::vector<ossim_uint8>& in,
                   ossimRefPtr<ossimImageData>& out ) const;
   
   bool decodeJpegToRgb(const std::vector<ossim_uint8>& in,
                        ossimRefPtr<ossimImageData>& out ) const;

   ossim_int32 getColorSpace( const std::vector<ossim_uint8>& in ) const;
   
   ossim_uint32 m_quality;
   std::string m_ext;
};

#endif