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CReader.h

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00001 /*
 00002 
 00003   Copyright (c) 1995-2005 by INRIA.
 00004   All Rights Reserved.
 00005 
 00006   This software was developed at:
 00007   IRISA/INRIA Rennes
 00008   Campus Universitaire de Beaulieu
 00009   35042 Rennes Cedex
 00010 
 00011   http://www.irisa.fr
 00012 
 00013 */
 00014 
 00020 #ifndef CReader_h
 00021 #define CReader_h
 00022 
 00023 #include <string>
 00024 #include <CMotion2DImage.h>
 00025 
 00026 #if defined (WIN32)
 00027 #  if defined MOTION2D_DLL_EXPORTS
 00028 #     define MOTION2D_API __declspec( dllexport )
 00029 #  elif defined MOTION2D_DLL_IMPORTS
 00030 #     define MOTION2D_API __declspec( dllimport )
 00031 #  else
 00032 #     define MOTION2D_API
 00033 #  endif
 00034 #else
 00035 #     define MOTION2D_API
 00036 #endif
 00037 
 00038 
 00039 // Supported image format
 00040 #ifndef __NO_IMAGEIO_PNG_
 00041 #  define _PNG  "PNG"
 00042 #  define _png  "png"
 00043 #endif
 00044 #define _PGM   "PGM"
 00045 #define _pgm   "pgm"
 00046 #define _PPM   "PPM"
 00047 #define _ppm   "ppm"
 00048 #define _RAW8  "RAW8"
 00049 #define _raw8  "raw8"
 00050 #define _RAW16 "RAW16"
 00051 #define _raw16 "raw16"
 00052 
 00053 #define _mpeg "mpeg"
 00054 #define _mpg  "mpg"
 00055 
 00056 
 00057 using namespace std;
 00058 
 00059 class MOTION2D_API CReader
 00060 {
 00061  protected:
 00062   unsigned long frame;
 00063   string streamName;
 00064   unsigned nbsubsample;
 00065 
 00066  public:
 00072   enum EReaderFormat {
 00073     FORMAT_NOT_RECOGNIZED, 
 00074     FORMAT_PGM,            
 00075     FORMAT_PPM,            
 00076     FORMAT_RAW8,           
 00077     FORMAT_RAW16,          
 00078 #ifndef __NO_IMAGEIO_PNG_
 00079     FORMAT_PNG,            
 00080 #endif
 00081     FORMAT_MPEG2           
 00082   };
 00083 
 00084   CReader();
 00085 
 00091   virtual ~CReader() { };
 00092 
 00093   void setFileName(const char *filename);
 00094   void setFileName(string filename);
 00095   bool setFrameNumber(unsigned long framenumber);
 00101   virtual EReaderFormat getFormat() {return FORMAT_NOT_RECOGNIZED;};
 00102 
 00108   virtual string getFileName() {return "No filename";};
 00109 
 00115   virtual bool getFrame(CMotion2DImage<unsigned char> & I,
 00116                         unsigned nbsubsample=0,
 00117                         unsigned nrows=0, unsigned ncols=0)
 00118   {
 00119     cout <<" Reader "<<endl;
 00120     return false;
 00121   };
 00122 
 00128   virtual bool getFrame(CMotion2DImage<short> & I,
 00129                         unsigned nbsubsample=0,
 00130                         unsigned nrows=0, unsigned ncols=0)
 00131   {
 00132     cout <<" Reader "<<endl;
 00133     return false;
 00134   };
 00135 
 00141   virtual bool openStream() {return true;};
 00147   virtual bool closeStream() {return true;};
 00153   virtual void getType() {
 00154     cout << " Reader"<<endl;
 00155   };
 00156 
 00163   virtual unsigned getNbSubsample() {return 0;};
 00164 };
 00165 
 00166 
 00167 #endif
 

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