1 /* ScummVM - Graphic Adventure Engine 2 * 3 * ScummVM is the legal property of its developers, whose names 4 * are too numerous to list here. Please refer to the COPYRIGHT 5 * file distributed with this source distribution. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef SAGA2_GFX_H 24 #define SAGA2_GFX_H 25 26 #include "common/noncopyable.h" 27 28 namespace Saga2 { 29 30 enum BackBufferSource { 31 kBeforeOpeningMenu, 32 kBeforeTakingThumbnail, 33 kMaxBackBufferSources 34 }; 35 36 class Renderer : public Common::NonCopyable { 37 private: 38 byte *_savedBackBuffers[kMaxBackBufferSources]; 39 40 public: 41 Renderer(); 42 ~Renderer(); 43 44 void saveBackBuffer(BackBufferSource source); 45 46 void popSavedBackBuffer(BackBufferSource source); 47 48 void restoreSavedBackBuffer(BackBufferSource source); 49 50 void removeSavedBackBuffer(BackBufferSource source); 51 52 bool hasSavedBackBuffer(BackBufferSource source); 53 }; 54 55 } // end of namespace Saga2 56 57 #endif 58