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Diffstat (limited to 'engines/pegasus/graphics.h')
-rw-r--r-- | engines/pegasus/graphics.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/engines/pegasus/graphics.h b/engines/pegasus/graphics.h new file mode 100644 index 0000000000..fcdf1c9e78 --- /dev/null +++ b/engines/pegasus/graphics.h @@ -0,0 +1,95 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * Additional copyright for this file: + * Copyright (C) 1995-1997 Presto Studios, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef PEGASUS_GRAPHICS_H +#define PEGASUS_GRAPHICS_H + +#include "common/rect.h" +#include "common/str.h" +#include "common/system.h" +#include "graphics/surface.h" + +#include "pegasus/constants.h" +#include "pegasus/pegasus.h" +#include "pegasus/util.h" + +namespace Pegasus { + +class Cursor; +class DisplayElement; +class PegasusEngine; +class ScreenFader; + +class GraphicsManager { +friend class Cursor; +public: + GraphicsManager(PegasusEngine *vm); + ~GraphicsManager(); + + void addDisplayElement(DisplayElement *element); + void removeDisplayElement(DisplayElement *element); + void invalRect(const Common::Rect &rect); + DisplayOrder getBackOfActiveLayer() const { return _backLayer; } + DisplayOrder getFrontOfActiveLayer() const { return _frontLayer; } + void updateDisplay(); + Graphics::Surface *getCurSurface() { return _curSurface; } + void setCurSurface(Graphics::Surface *surface) { _curSurface = surface; } + Graphics::Surface *getWorkArea() { return &_workArea; } + void clearScreen(); + DisplayElement *findDisplayElement(const DisplayElementID id); + void shakeTheWorld(TimeValue time, TimeScale scale); + void enableErase(); + void disableErase(); + void enableUpdates(); + void disableUpdates(); + + // These default to black + void doFadeOutSync(const TimeValue = kOneSecondPerThirtyTicks, const TimeScale = kThirtyTicksPerSecond, bool isBlack = true); + void doFadeInSync(const TimeValue = kOneSecondPerThirtyTicks, const TimeScale = kThirtyTicksPerSecond, bool isBlack = true); + +protected: + void markCursorAsDirty(); + +private: + PegasusEngine *_vm; + + bool _modifiedScreen, _erase; + Common::Rect _dirtyRect; + DisplayOrder _backLayer, _frontLayer; + DisplayElement *_firstDisplayElement, *_lastDisplayElement; + Graphics::Surface _workArea, *_curSurface; + + // Shake Shake Shake! + static const int kMaxShakeOffsets = 17; + Common::Point _shakeOffsets[kMaxShakeOffsets]; + void newShakePoint(int32 index1, int32 index2, int32 maxRadius); + + bool _updatesEnabled; + ScreenFader *_screenFader; +}; + +} // End of namespace Pegasus + +#endif |