00001 //
00002 // parameter.h
00003 //
00004 // Copyright (C) 1996 Limit Point Systems, Inc.
00005 //
00006 // Author: Curtis Janssen <cljanss@limitpt.com>
00007 // Maintainer: LPS
00008 //
00009 // This file is part of the SC Toolkit.
00010 //
00011 // The SC Toolkit is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Library General Public License as published by
00013 // the Free Software Foundation; either version 2, or (at your option)
00014 // any later version.
00015 //
00016 // The SC Toolkit is distributed in the hope that it will be useful,
00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00019 // GNU Library General Public License for more details.
00020 //
00021 // You should have received a copy of the GNU Library General Public License
00022 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
00024 //
00025 // The U.S. Government is granted a limited license as per AL 91-7.
00026 //
00027
00028 #ifndef _util_render_parameter_h
00029 #define _util_render_parameter_h
00030
00031 #include <util/keyval/keyval.h>
00032
00033 template <class T>
00034 class Parameter {
00035 T parameter_;
00036 int is_set_;
00037 int overrides_;
00038 public:
00039 Parameter(): is_set_(0), overrides_(0) {}
00040 void set(const T& a) { parameter_ = a; is_set_ = 1; }
00041 void override(int overrides = 1) { overrides_ = overrides; }
00042 const T& value() const { return parameter_; }
00043 int overrides() const { return overrides_; }
00044 int is_set() const { return is_set_; }
00045 };
00046
00047 #endif
00048
00049 // Local Variables:
00050 // mode: c++
00051 // c-file-style: "CLJ"
00052 // End: