ColorMap.H

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00001 /*!@file Image/ColorMap.H Simple colormaps with N colors */
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   //
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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 //                                                                      //
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00025 // PURPOSE.  See the GNU General Public License for more details.       //
00026 //                                                                      //
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00030 // Boston, MA 02111-1307 USA.                                           //
00031 // //////////////////////////////////////////////////////////////////// //
00032 //
00033 // Primary maintainer for this file:
00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Image/ColorMap.H $
00035 // $Id: ColorMap.H 13687 2010-07-23 02:26:37Z lior $
00036 //
00037 
00038 #ifndef IMAGE_COLORMAP_H_DEFINED
00039 #define IMAGE_COLORMAP_H_DEFINED
00040 
00041 #include "Image/Image.H"
00042 #include "Image/Pixels.H"
00043 
00044 //! Simple colormaps with N colors
00045 /*! ColorMap derives from Image< PixRGB<byte> > and hence inherits all
00046   the associated functions. Here we just provide a bunch of
00047   constructors. A ColorMap then is merely an Image< PixRGB<byte> > of
00048   width N and height 1. */
00049 class ColorMap : public Image< PixRGB<byte> > {
00050 public:
00051 
00052   //! Default constructor (empty colormap)
00053   ColorMap();
00054 
00055   //! Default constructor (uninitialized color values, n entries)
00056   ColorMap(const int n);
00057 
00058   //! Build from an Image of pixels (used by the pseudo-constructors)
00059   /*! Will throw a fatal error if cmap has height != 1 */
00060   ColorMap(const Image< PixRGB<byte> >& cmap);
00061 
00062   //! Destructor
00063   virtual ~ColorMap();
00064 
00065   //! Pseudo-constructor for a greyscale with n entries
00066   static ColorMap GREY(const int n = 256);
00067 
00068   //! Pseudo-constructor for a transition from 'from' to 'to' with n entries
00069   static ColorMap GRADIENT(const PixRGB<byte>& from,
00070                            const PixRGB<byte>& to,
00071                            const int n = 256);
00072 
00073   //! Pseudo-constructor for "jet" colormap a la matlab
00074   static ColorMap JET(const int n = 256);
00075 
00076   //! Pseudo-constructor for "lines" colormap a la matlab
00077   static ColorMap LINES(const int n = 256);
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 // IMAGE_COLORMAP_H_DEFINED
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