anydec.h

Screen Chatting source

/*
/--------------------------------------------------------------------
|
|      $Id: anydec.h,v 1.9 2000/03/31 11:53:29 Ulrich von Zadow Exp $
|
|      Copyright (c) 1996-1998 Ulrich von Zadow
|
\--------------------------------------------------------------------
*/

#ifndef INCL_ANYDEC
#define INCL_ANYDEC

#ifndef INCL_PICDEC
#include "picdec.h"
#endif

#ifndef INCL_CONFIG
#include "config.h"
#endif

class CBitmap;

#ifdef SUPPORT_BMP
class CBmpDecoder;
#endif

#ifdef SUPPORT_PICT
class CPictDecoder;
#endif

#ifdef SUPPORT_TGA
class CTGADecoder;
#endif

#ifdef SUPPORT_TIFF
class CTIFFDecoder;
#endif

#ifdef SUPPORT_JPEG
class CJPEGDecoder;
#endif

#ifdef SUPPORT_PNG
class CPNGDecoder;
#endif

#ifdef SUPPORT_WEMF
class CWEMFDecoder;
#endif

#ifdef SUPPORT_PCX
class CPCXDecoder;
#endif

#ifdef SUPPORT_PGM
class CPGMDecoder;
#endif

//! Class which decodes pictures with any known format. It
//! auto-detects the format to use and delegates the work to one of
//! the other decoder classes.
//!
//! The interface to CAnyPicDecoder is the same as CPicDecoder.
class CAnyPicDecoder : public CPicDecoder
{

public:
  //! Creates a decoder.
  CAnyPicDecoder
    ();

  //! Destroys the decoder.
  ~CAnyPicDecoder
    ();

  //! Decodes a picture in a block of memory.
  void MakeBmp
    ( CDataSource * pDataSrc,
      CBmp * pBmp,
      int BPPWanted
    );

private:
  // Check for file-format-specific data & return the file type if
  // something fits.
  int getFileType
    ( BYTE * pData,
      int DataLen
    );

  long epsLongVal
    ( unsigned char *p
    );

  ///////////////////////////////////////////////////////////////////
  // Member variables.

#ifdef SUPPORT_BMP
  CBmpDecoder  * m_pBmpDec;
#endif
#ifdef SUPPORT_PICT
  CPictDecoder * m_pPictDec;
#endif
#ifdef SUPPORT_TGA
  CTGADecoder  * m_pTGADec;
#endif
#ifdef SUPPORT_TIFF
  CTIFFDecoder * m_pTIFFDec;
#endif
#ifdef SUPPORT_JPEG
  CJPEGDecoder * m_pJPEGDec;
#endif
#ifdef SUPPORT_PNG
  CPNGDecoder * m_pPNGDec;
#endif
#ifdef SUPPORT_WEMF
  CWEMFDecoder * m_pWEMFDec;
#endif
#ifdef SUPPORT_PCX
  CPCXDecoder * m_pPCXDec;
#endif
#ifdef SUPPORT_PGM
  CPGMDecoder * m_pPGMDec;
#endif
};

#endif
/*
/--------------------------------------------------------------------
|
|      $Log: anydec.h,v $
|      Revision 1.9  2000/03/31 11:53:29  Ulrich von Zadow
|      Added quantization support.
|
|      Revision 1.8  2000/03/16 13:56:37  Ulrich von Zadow
|      Added pgm decoder by Jose Miguel Buenaposada Biencinto
|
|      Revision 1.7  2000/01/16 20:43:12  anonymous
|      Removed MFC dependencies
|
|      Revision 1.6  1999/12/08 15:39:45  Ulrich von Zadow
|      Unix compatibility changes
|
|
\--------------------------------------------------------------------
*/