QtDisplayStream.H

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00001 /*!@file GUI/QtDisplayStream.H FrameOstream subclass that displays images in a QWidgetStack */
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/GUI/QtDisplayStream.H $
00035 // $Id: QtDisplayStream.H 12269 2009-12-17 01:23:34Z itti $
00036 //
00037 
00038 #ifndef GUI_QTDISPLAYSTREAM_H_DEFINED
00039 #define GUI_QTDISPLAYSTREAM_H_DEFINED
00040 
00041 #ifdef INVT_HAVE_QT3
00042 
00043 #include "Component/ModelParam.H"
00044 #include "Image/Dims.H"
00045 #include "Transport/FrameOstream.H"
00046 
00047 class QtImageStack;
00048 
00049 //! FrameOstream subclass that displays images in a QWidgetStack
00050 class QtDisplayStream : public FrameOstream
00051 {
00052 public:
00053   QtDisplayStream(OptionManager& mgr,
00054                   const std::string& descrName = "QtDisplayStream",
00055                   const std::string& tagName = "QtDisplayStream");
00056 
00057   virtual ~QtDisplayStream();
00058 
00059   //! Override the base version so that we can trap --qt-echo options
00060   virtual void paramChanged(ModelParamBase* const param,
00061                             const bool valueChanged,
00062                             ParamClient::ChangeStatus* status);
00063 
00064   virtual bool setFrameNumber(int n);
00065 
00066   virtual void writeFrame(const GenericFrame& frame,
00067                           const std::string& shortname,
00068                           const FrameInfo& auxinfo);
00069 
00070   //! Returns true if the user has clicked the close button
00071   virtual bool isVoid() const;
00072 
00073   virtual void closeStream(const std::string& shortname);
00074 
00075   //! Returns true if the user has clicked the close button
00076   bool isClosed() const;
00077 
00078 private:
00079   //! catch --in-echo command-line options
00080   OModelParam<std::string> itsQtEcho;
00081 
00082   OModelParam<Dims> itsPreferredDims;
00083   OModelParam<Dims> itsPreferredMaxDims;
00084 
00085   OModelParam<bool> itsTestMode;
00086 
00087   QtImageStack* itsWidget;
00088   bool itsShown;
00089   int itsFrameNumber;
00090 
00091   nub::soft_ref<FrameOstream> itsEcho;
00092 };
00093 
00094 #endif // INVT_HAVE_QT3
00095 
00096 // ######################################################################
00097 /* So things look consistent in everyone's emacs... */
00098 /* Local Variables: */
00099 /* mode: c++ */
00100 /* indent-tabs-mode: nil */
00101 /* End: */
00102 
00103 #endif // GUI_QTDISPLAYSTREAM_H_DEFINED
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