RasterParser.H

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00001 /*!@file Raster/RasterParser.H Abstract image-file parser class */
00002 
00003 // //////////////////////////////////////////////////////////////////// //
00004 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2001 by the //
00005 // University of Southern California (USC) and the iLab at USC.         //
00006 // See http://iLab.usc.edu for information about this project.          //
00007 // //////////////////////////////////////////////////////////////////// //
00008 // Major portions of the iLab Neuromorphic Vision Toolkit are protected //
00009 // under the U.S. patent ``Computation of Intrinsic Perceptual Saliency //
00010 // in Visual Environments, and Applications'' by Christof Koch and      //
00011 // Laurent Itti, California Institute of Technology, 2001 (patent       //
00012 // pending; application number 09/912,225 filed July 23, 2001; see      //
00013 // http://pair.uspto.gov/cgi-bin/final/home.pl for current status).     //
00014 // //////////////////////////////////////////////////////////////////// //
00015 // This file is part of the iLab Neuromorphic Vision C++ Toolkit.       //
00016 //                                                                      //
00017 // The iLab Neuromorphic Vision C++ Toolkit is free software; you can   //
00018 // redistribute it and/or modify it under the terms of the GNU General  //
00019 // Public License as published by the Free Software Foundation; either  //
00020 // version 2 of the License, or (at your option) any later version.     //
00021 //                                                                      //
00022 // The iLab Neuromorphic Vision C++ Toolkit is distributed in the hope  //
00023 // that it will be useful, but WITHOUT ANY WARRANTY; without even the   //
00024 // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      //
00025 // PURPOSE.  See the GNU General Public License for more details.       //
00026 //                                                                      //
00027 // You should have received a copy of the GNU General Public License    //
00028 // along with the iLab Neuromorphic Vision C++ Toolkit; if not, write   //
00029 // to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,   //
00030 // Boston, MA 02111-1307 USA.                                           //
00031 // //////////////////////////////////////////////////////////////////// //
00032 //
00033 // Primary maintainer for this file: Rob Peters <rjpeters@usc.edu>
00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Raster/RasterParser.H $
00035 // $Id: RasterParser.H 6572 2006-05-05 21:16:38Z mundhenk $
00036 //
00037 
00038 #ifndef RASTERPARSER_H_DEFINED
00039 #define RASTERPARSER_H_DEFINED
00040 
00041 #include "Util/Types.H"
00042 
00043 #include <string>
00044 
00045 class Dims;
00046 class GenericFrame;
00047 class GenericFrameSpec;
00048 class VideoFrame;
00049 template <class T> class PixRGB;
00050 template <class T> class Image;
00051 
00052 //! This class defines a generic interface for parsing image files.
00053 class RasterParser
00054 {
00055 public:
00056   //! Virtual destructor for proper destruction of derived classes.
00057   virtual ~RasterParser();
00058 
00059   //! Get the specifications of the image without fully reading it
00060   virtual GenericFrameSpec getFrameSpec() const = 0;
00061 
00062   //! Get the comments from the image without fully reading it
00063   virtual std::string getComments() const = 0;
00064 
00065   //! Get image tags if the image supports them
00066   virtual uint getTagCount() const = 0;
00067 
00068   //! Get image tags if the image supports them
00069   virtual bool getTag(uint tag, std::string &name, std::string &value) const = 0;
00070 
00071   //! Get a GenericFrame representation from the raster file.
00072   /*! Derived classes should implement this so that the native
00073       representation of the GenericFrame best matches the native
00074       format of the raster file (e.g., rgb, grayscale, floating-point,
00075       video-yuv). */
00076   virtual GenericFrame getFrame() = 0;
00077 };
00078 
00079 #endif // !RASTERPARSER_H_DEFINED
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