1 // -*- Mode: C++; tab-width:2; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 // vi:tw=80:et:ts=2:sts=2 3 // 4 // ----------------------------------------------------------------------- 5 // 6 // This file is part of RLVM, a RealLive virtual machine clone. 7 // 8 // ----------------------------------------------------------------------- 9 // 10 // Copyright (C) 2009 Elliot Glaysher 11 // 12 // This program is free software; you can redistribute it and/or modify 13 // it under the terms of the GNU General Public License as published by 14 // the Free Software Foundation; either version 3 of the License, or 15 // (at your option) any later version. 16 // 17 // This program is distributed in the hope that it will be useful, 18 // but WITHOUT ANY WARRANTY; without even the implied warranty of 19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 // GNU General Public License for more details. 21 // 22 // You should have received a copy of the GNU General Public License 23 // along with this program; if not, write to the Free Software 24 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. 25 // ----------------------------------------------------------------------- 26 27 #ifndef SRC_SYSTEMS_BASE_RENDERABLE_H_ 28 #define SRC_SYSTEMS_BASE_RENDERABLE_H_ 29 30 // An object that is renderable to screen. 31 class Renderable { 32 public: ~Renderable()33 virtual ~Renderable() {} 34 35 // Renders this object to screen (and optionally writes metadata about what 36 // was rendered to |tree|). 37 virtual void Render(std::ostream* tree) = 0; 38 }; 39 40 #endif // SRC_SYSTEMS_BASE_RENDERABLE_H_ 41