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plpngenc.h

00001 /*
00002 /--------------------------------------------------------------------
00003 |
00004 |      $Id: plpngenc_8h-source.html,v 1.4 2004/09/15 15:26:32 uzadow Exp $
00005 |
00006 |      Copyright (c) 1996-2002 Ulrich von Zadow
00007 |
00008 \--------------------------------------------------------------------
00009 */
00010 
00011 #ifndef INCL_PLPNGENC
00012 #define INCL_PLPNGENC
00013 
00014 #ifndef INCL_PLPICENC
00015 #include "plpicenc.h"
00016 #endif
00017 
00018 //! PNG file encoder. Uses LIBPNG to do the actual conversion.
00019 class PLPNGEncoder : public PLPicEncoder
00020 {
00021 
00022 public:
00023   //! Creates an encoder
00024   PLPNGEncoder
00025     ();
00026 
00027   //! Destroys a encoder
00028   virtual ~PLPNGEncoder
00029     ();
00030 
00031   PLDataSink * GetDataSink
00032     ();
00033 
00034   //! Sets compression level for PNG, range is 0-9, 9 is hardest compression
00035   void SetCompressionLevel(unsigned short Level); 
00036         // Inserted by René Dencker Eriksen (edr@mip.sdu.dk)
00037 
00038 protected:
00039 
00040   //! Sets up LIBPNG environment and calls LIBPNG to encode an image.
00041   virtual void DoEncode
00042     ( PLBmpBase* pBmp,
00043       PLDataSink* pDataSnk
00044     );
00045 
00046 private:
00047         PLBmpBase * m_pBmp;
00048         PLDataSink* m_pDataSnk;
00049         unsigned short m_CompressionLevel;
00050 
00051 };
00052 
00053 
00054 #endif  // INCL_PLPNGENC
00055 /*
00056 /--------------------------------------------------------------------
00057 |
00058 |      $Log: plpngenc_8h-source.html,v $
00058 |      Revision 1.4  2004/09/15 15:26:32  uzadow
00058 |      Linux compatibility changes, doc update.
00058 |
00059 |      Revision 1.6  2004/06/19 18:16:33  uzadow
00060 |      Documentation update
00061 |
00062 |      Revision 1.5  2004/06/06 12:56:38  uzadow
00063 |      Doxygenified documentation.
00064 |
00065 |      Revision 1.4  2002/11/18 14:45:00  uzadow
00066 |      Added PNG compression support, fixed docs.
00067 |
00068 |      Revision 1.3  2002/02/24 13:00:38  uzadow
00069 |      Documentation update; removed buggy PLFilterRotate.
00070 |
00071 |      Revision 1.2  2001/10/06 20:44:45  uzadow
00072 |      Linux compatibility
00073 |
00074 |      Revision 1.1  2001/09/16 19:03:22  uzadow
00075 |      Added global name prefix PL, changed most filenames.
00076 |
00077 |      Revision 1.3  2000/01/16 20:43:14  anonymous
00078 |      Removed MFC dependencies
00079 |
00080 |      Revision 1.2  2000/01/08 15:53:12  Ulrich von Zadow
00081 |      Moved several functions to the cpp file so applications don't
00082 |      need the png directory in the include path.
00083 |
00084 |      Revision 1.1  2000/01/04 22:06:17  Ulrich von Zadow
00085 |      Initial version by Neville Richards.
00086 |
00087 |
00088 \--------------------------------------------------------------------
00089 */

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