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/* 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/pict.h"
#include "graphics/surface.h"
#include "pegasus/pegasus.h"
#include "pegasus/util.h"
namespace Pegasus {
enum {
kImageCacheSize = 10
};
struct ImageCache {
Common::String filename;
Graphics::Surface *surface;
uint32 lastUsed;
};
class DisplayElement;
class PegasusEngine;
class GraphicsManager {
public:
GraphicsManager(PegasusEngine *vm);
~GraphicsManager();
// Older "temporary" API
void drawPict(Common::String filename, int x, int y, bool updateScreen = true);
void drawPictTransparent(Common::String filename, int x, int y, uint32 transparency, bool updateScreen = true);
uint32 getColor(byte r, byte g, byte b);
// Newer "to-be-used" API
void addDisplayElement(DisplayElement *element);
void removeDisplayElement(DisplayElement *element);
void invalRect(const Common::Rect &rect);
tDisplayOrder getBackOfActiveLayer() const { return _backLayer; }
tDisplayOrder getFrontOfActiveLayer() const { return _frontLayer; }
void updateDisplay();
Graphics::Surface *getWorkArea() { return &_workArea; }
private:
PegasusEngine *_vm;
// Older "temporary" API
Graphics::PictDecoder *_pictDecoder;
Graphics::Surface *decodeImage(const Common::String &filename);
ImageCache _cache[kImageCacheSize];
int getImageSlot(const Common::String &filename);
// Newer "to-be-used" API
Common::Rect _dirtyRect;
tDisplayOrder _backLayer, _frontLayer;
DisplayElement *_firstDisplayElement, *_lastDisplayElement;
Graphics::Surface _workArea;
};
} // End of namespace Pegasus
#endif
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