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https://github.com/libretro/scummvm.git
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85e7d2d9a9
- Only update the screen if we drew something to it, not if a dirty rect was present. - Add ability to clear the screen.
71 lines
2.1 KiB
C++
71 lines
2.1 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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* Additional copyright for this file:
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* Copyright (C) 1995-1997 Presto Studios, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef PEGASUS_GRAPHICS_H
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#define PEGASUS_GRAPHICS_H
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#include "common/rect.h"
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#include "common/str.h"
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#include "common/system.h"
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#include "graphics/pict.h"
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#include "graphics/surface.h"
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#include "pegasus/pegasus.h"
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#include "pegasus/util.h"
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namespace Pegasus {
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class DisplayElement;
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class PegasusEngine;
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class GraphicsManager {
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public:
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GraphicsManager(PegasusEngine *vm);
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~GraphicsManager();
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void addDisplayElement(DisplayElement *element);
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void removeDisplayElement(DisplayElement *element);
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void invalRect(const Common::Rect &rect);
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tDisplayOrder getBackOfActiveLayer() const { return _backLayer; }
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tDisplayOrder getFrontOfActiveLayer() const { return _frontLayer; }
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void updateDisplay();
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Graphics::Surface *getWorkArea() { return &_workArea; }
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void clearScreen();
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private:
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PegasusEngine *_vm;
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bool _modifiedScreen;
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Common::Rect _dirtyRect;
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tDisplayOrder _backLayer, _frontLayer;
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DisplayElement *_firstDisplayElement, *_lastDisplayElement;
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Graphics::Surface _workArea;
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Common::Point _lastMousePosition;
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};
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} // End of namespace Pegasus
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#endif
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