backend/core/CopyThroughFilter.h

0001 /***************************************************************************
0002     File                 : CopyThroughFilter.h
0003     Project              : SciDAVis
0004     --------------------------------------------------------------------
0005     Copyright            : (C) 2007 by Knut Franke
0006     Email (use @ for *)  : knut.franke*gmx.de
0007     Description          : Filter which copies all provided inputs unaltered
0008                            to an equal number of outputs.
0009
0010  ***************************************************************************/
0011
0012 /***************************************************************************
0013  *                                                                         *
0014  *  This program is free software; you can redistribute it and/or modify   *
0015  *  it under the terms of the GNU General Public License as published by   *
0016  *  the Free Software Foundation; either version 2 of the License, or      *
0017  *  (at your option) any later version.                                    *
0018  *                                                                         *
0019  *  This program is distributed in the hope that it will be useful,        *
0020  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
0021  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
0022  *  GNU General Public License for more details.                           *
0023  *                                                                         *
0024  *   You should have received a copy of the GNU General Public License     *
0025  *   along with this program; if not, write to the Free Software           *
0026  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
0027  *   Boston, MA  02110-1301  USA                                           *
0028  *                                                                         *
0029  ***************************************************************************/
0030 #ifndef COPY_THROUGH_FILTER_H
0031 #define COPY_THROUGH_FILTER_H
0032
0033 #include "AbstractFilter.h"
0034
0035 class CopyThroughFilter : public AbstractFilter {
0036 public:
0037     virtual int inputCount() const;
0038     virtual int outputCount() const;
0039     virtual AbstractColumn* output(int port) const;
0040 };
0041
0042 #endif // ifndef COPY_THROUGH_FILTER_H
0043