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The major contributors provided their consent: DrMcCoy, Strangerke, sdelamarre, sev. The goal is to allow the re-release of this code under Switch, which is incompatible with pure GPL
65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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* This file is dual-licensed.
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* In addition to the GPLv3 license mentioned above, this code is also
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* licensed under LGPL 2.1. See LICENSES/COPYING.LGPL file for the
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* full text of the license.
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*
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*/
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#ifndef GOB_BACKBUFFER_H
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#define GOB_BACKBUFFER_H
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#include "common/system.h"
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namespace Gob {
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class Surface;
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class BackBuffer {
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public:
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BackBuffer();
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~BackBuffer();
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protected:
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void trashBuffer();
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void resizeBuffer(uint16 width, uint16 height);
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bool saveScreen (const Surface &dest, int16 &left, int16 &top, int16 &right, int16 &bottom);
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bool restoreScreen( Surface &dest, int16 &left, int16 &top, int16 &right, int16 &bottom);
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bool hasBuffer() const;
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bool hasSavedBackground() const;
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private:
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Surface *_background; ///< The saved background.
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bool _saved; ///< Was the background saved?
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int16 _saveLeft; ///< The left position of the saved background.
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int16 _saveTop; ///< The top of the saved background.
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int16 _saveRight; ///< The right position of the saved background.
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int16 _saveBottom; ///< The bottom position of the saved background.
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};
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} // End of namespace Gob
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#endif // GOB_BACKBUFFER_H
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