00001 /*!@file Raster/JpegParser.H Parser for jpeg image files */ 00002 00003 // //////////////////////////////////////////////////////////////////// // 00004 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2005 // 00005 // by the 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 at usc dot edu> 00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Raster/JpegParser.H $ 00035 // $Id: JpegParser.H 6579 2006-05-09 18:47:51Z rjpeters $ 00036 // 00037 00038 #ifndef RASTER_JPEGPARSER_H_DEFINED 00039 #define RASTER_JPEGPARSER_H_DEFINED 00040 00041 #include "Image/Image.H" 00042 #include "Image/Pixels.H" 00043 #include "Raster/RasterParser.H" 00044 00045 //! Parser class for reading jpeg image files by using libjpeg. 00046 class JpegParser : public RasterParser 00047 { 00048 public: 00049 //! Construct with the name of a jpeg image file. 00050 JpegParser(const char* fname); 00051 00052 //! Virtual destructor for proper destruction of derived classes. 00053 virtual ~JpegParser(); 00054 00055 //! Get the specifications of the image without fully reading it 00056 virtual GenericFrameSpec getFrameSpec() const; 00057 00058 //! Get the comments from the image without fully reading it 00059 virtual std::string getComments() const; 00060 00061 //! Get image tags if the image supports them 00062 virtual uint getTagCount() const; 00063 00064 //! Get image tags if the image supports them 00065 virtual bool getTag(uint tag, std::string &name, std::string &value) const; 00066 00067 //! Get a GenericFrame representation from the raster file. 00068 /*! This can subsequently be converted to rgb, grayscale, 00069 floating-point, or video-yuv. */ 00070 virtual GenericFrame getFrame(); 00071 00072 private: 00073 JpegParser(const JpegParser&); 00074 JpegParser& operator=(const JpegParser&); 00075 00076 class Impl; 00077 Impl* rep; 00078 }; 00079 00080 // ###################################################################### 00081 /* So things look consistent in everyone's emacs... */ 00082 /* Local Variables: */ 00083 /* mode: c++ */ 00084 /* indent-tabs-mode: nil */ 00085 /* End: */ 00086 00087 #endif // RASTER_JPEGPARSER_H_DEFINED