psycho-still.C

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00001 /*!@file AppPsycho/psycho-still.C Psychophysics display of still images */
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: Laurent Itti <itti@usc.edu>
00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/AppPsycho/psycho-still.C $
00035 // $Id: psycho-still.C 10144 2008-08-27 01:16:43Z ilab19 $
00036 //
00037 
00038 #include "Component/ModelManager.H"
00039 #include "Image/Image.H"
00040 #include "Psycho/PsychoDisplay.H"
00041 #include "Psycho/EyeTrackerConfigurator.H"
00042 #include "Psycho/EyeTracker.H"
00043 #include "Psycho/PsychoOpts.H"
00044 #include "Component/EventLog.H"
00045 #include "Component/ComponentOpts.H"
00046 #include "Raster/Raster.H"
00047 #include "Util/MathFunctions.H"
00048 #include "Util/Types.H"
00049 
00050 // ######################################################################
00051 extern "C" int main(const int argc, char** argv)
00052 {
00053   MYLOGVERB = LOG_INFO;  // suppress debug messages
00054 
00055   // Instantiate a ModelManager:
00056   ModelManager manager("Psycho Still");
00057 
00058   // Instantiate our various ModelComponents:
00059   nub::soft_ref<PsychoDisplay> d(new PsychoDisplay(manager));
00060   manager.addSubComponent(d);
00061 
00062   nub::soft_ref<EyeTrackerConfigurator>
00063     etc(new EyeTrackerConfigurator(manager));
00064   manager.addSubComponent(etc);
00065 
00066   nub::soft_ref<EventLog> el(new EventLog(manager));
00067   manager.addSubComponent(el);
00068 
00069   manager.setOptionValString(&OPT_EventLogFileName, "psychodata.psy");
00070   manager.setOptionValString(&OPT_EyeTrackerType, "ISCAN");
00071 
00072   // Parse command-line:
00073   if (manager.parseCommandLine(argc, argv,
00074                                "<img1.ppm> ... <imgN.ppm>", 1, -1)==false)
00075     return(1);
00076 
00077   // hook our various babies up and do post-command-line configs:
00078   nub::soft_ref<EyeTracker> et = etc->getET();
00079   d->setEyeTracker(et);
00080   d->setEventLog(el);
00081   et->setEventLog(el);
00082 
00083   // let's get all our ModelComponent instances started:
00084   manager.start();
00085 
00086   // let's do an eye tracker calibration:
00087   et->calibrate(d);
00088 
00089   d->clearScreen();
00090   d->displayText("<SPACE> for random play; other key for ordered");
00091   int c = d->waitForKey();
00092 
00093   // setup array of movie indices:
00094   uint nbimgs = manager.numExtraArgs(); int index[nbimgs];
00095   for (uint i = 0; i < nbimgs; i ++) index[i] = i;
00096   if (c == ' ') { LINFO("Randomizing images..."); randShuffle(index, nbimgs); }
00097 
00098   // main loop:
00099   for (uint i = 0; i < nbimgs; i ++)
00100     {
00101       // load up the frame and show a fixation cross on a blank screen:
00102       d->clearScreen();
00103       LINFO("Loading '%s'...", manager.getExtraArg(index[i]).c_str());
00104       Image< PixRGB<byte> > image =
00105         Raster::ReadRGB(manager.getExtraArg(index[i]));
00106 
00107       SDL_Surface *surf = d->makeBlittableSurface(image, true);
00108 
00109       LINFO("'%s' ready.", manager.getExtraArg(index[i]).c_str());
00110       d->displayFixation();
00111 
00112       // ready to go whenever the user is ready:
00113       d->waitForKey();
00114       d->waitNextRequestedVsync(false, true);
00115       d->pushEvent(std::string("===== Showing image: ") +
00116                    manager.getExtraArg(index[i]) + " =====");
00117 
00118       // start the eye tracker:
00119       et->track(true);
00120 
00121       // blink the fixation:
00122       d->displayFixationBlink();
00123 
00124       // show the image:
00125       d->displaySurface(surf, -2);
00126 
00127       // wait for key:
00128       c = d->waitForKey();
00129 
00130       // free the image:
00131       SDL_FreeSurface(surf);
00132 
00133       // make sure display if off before we stop the tracker:
00134       d->clearScreen();
00135 
00136       // stop the eye tracker:
00137       usleep(50000);
00138       et->track(false);
00139     }
00140 
00141   d->clearScreen();
00142   d->displayText("Experiment complete. Thank you!");
00143   d->waitForKey();
00144 
00145   // stop all our ModelComponents
00146   manager.stop();
00147 
00148   // all done!
00149   return 0;
00150 }
00151 
00152 // ######################################################################
00153 /* So things look consistent in everyone's emacs... */
00154 /* Local Variables: */
00155 /* indent-tabs-mode: nil */
00156 /* End: */
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