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diff --git a/backends/graphics/sdl/sdl-graphics.h b/backends/graphics/sdl/sdl-graphics.h
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+++ b/backends/graphics/sdl/sdl-graphics.h
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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.
+ *
+ * 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef BACKENDS_GRAPHICS_SDL_H
+#define BACKENDS_GRAPHICS_SDL_H
+
+#include "backends/graphics/default/default-graphics.h"
+#include "common/system.h"
+#include "graphics/scaler.h"
+
+#if defined(__SYMBIAN32__)
+#include <esdl\SDL.h>
+#else
+#include <SDL.h>
+#endif
+
+#if !defined(_WIN32_WCE) && !defined(__SYMBIAN32__)
+// Uncomment this to enable the 'on screen display' code.
+#define USE_OSD	1
+#endif
+
+enum {
+	GFX_NORMAL = 0,
+	GFX_DOUBLESIZE = 1,
+	GFX_TRIPLESIZE = 2,
+	GFX_2XSAI = 3,
+	GFX_SUPER2XSAI = 4,
+	GFX_SUPEREAGLE = 5,
+	GFX_ADVMAME2X = 6,
+	GFX_ADVMAME3X = 7,
+	GFX_HQ2X = 8,
+	GFX_HQ3X = 9,
+	GFX_TV2X = 10,
+	GFX_DOTMATRIX = 11
+};
+
+class AspectRatio {
+	int _kw, _kh;
+public:
+	AspectRatio() { _kw = _kh = 0; }
+	AspectRatio(int w, int h);
+
+	bool isAuto() const { return (_kw | _kh) == 0; }
+
+	int kw() const { return _kw; }
+	int kh() const { return _kh; }
+};
+
+class SdlGraphicsManager : public DefaultGraphicsManager {
+public:
+	SdlGraphicsManager();
+	~SdlGraphicsManager();
+
+	bool hasFeature(OSystem::Feature f);
+	void setFeatureState(OSystem::Feature f, bool enable);
+	bool getFeatureState(OSystem::Feature f);
+
+	const OSystem::GraphicsMode *getSupportedGraphicsModes() const;
+	int getDefaultGraphicsMode() const;
+	bool setGraphicsMode(int mode);
+	int getGraphicsMode() const;
+
+#ifdef USE_RGB_COLOR
+	// Game screen
+	virtual Graphics::PixelFormat getScreenFormat() const { return _screenFormat; }
+
+	// Highest supported
+	virtual Common::List<Graphics::PixelFormat> getSupportedFormats();
+#endif
+	void beginGFXTransaction();
+	OSystem::TransactionError endGFXTransaction();
+	virtual void initSize(uint w, uint h, const Graphics::PixelFormat *format = NULL);
+	virtual int16 getHeight();
+	virtual int16 getWidth();
+	void setPalette(const byte *colors, uint start, uint num);
+	void grabPalette(byte *colors, uint start, uint num);
+	virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
+	virtual Graphics::Surface *lockScreen();
+	virtual void unlockScreen();
+	void fillScreen(uint32 col);
+	void updateScreen();
+	void setShakePos(int shakeOffset);
+	virtual void showOverlay();
+	virtual void hideOverlay();
+	virtual Graphics::PixelFormat getOverlayFormat() const { return _overlayFormat; }
+	void clearOverlay();
+	void grabOverlay(OverlayColor *buf, int pitch);
+	void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
+	virtual int16 getOverlayHeight()  { return _videoMode.overlayHeight; }
+	virtual int16 getOverlayWidth()   { return _videoMode.overlayWidth; }
+	bool showMouse(bool visible);
+	virtual void warpMouse(int x, int y);
+	virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int cursorTargetScale = 1, const Graphics::PixelFormat *format = NULL);
+	void setCursorPalette(const byte *colors, uint start, uint num);
+	void disableCursorPalette(bool disable) {
+		_cursorPaletteDisabled = disable;
+		blitCursor();
+	}
+	virtual int getScreenChangeID() const { return _screenChangeCount; }
+	
+#ifdef USE_OSD
+	void displayMessageOnOSD(const char *msg);
+#endif
+
+	// Accessed from OSystem_SDL::pollEvent for EVENT_SCREEN_CHANGED
+	// The way this event works should be changed
+	bool _modeChanged;
+
+	// Accessed from OSystem_SDL::dispatchSDLEvent
+	// A function here for toggling it should be made for this
+	bool _forceFull;
+
+	bool handleScalerHotkeys(const SDL_KeyboardEvent &key); // Move this?
+	bool isScalerHotkey(const Common::Event &event); // Move this?
+
+	void setMousePos(int x, int y);
+
+protected:
+#ifdef USE_OSD
+	SDL_Surface *_osdSurface;
+	Uint8 _osdAlpha;			// Transparency level of the OSD
+	uint32 _osdFadeStartTime;	// When to start the fade out
+	enum {
+		kOSDFadeOutDelay = 2 * 1000,	// Delay before the OSD is faded out (in milliseconds)
+		kOSDFadeOutDuration = 500,		// Duration of the OSD fade out (in milliseconds)
+		kOSDColorKey = 1,
+		kOSDInitialAlpha = 80			// Initial alpha level, in percent
+	};
+#endif
+
+	// hardware screen
+	SDL_Surface *_hwscreen;
+
+	// unseen game screen
+	SDL_Surface *_screen;
+#ifdef USE_RGB_COLOR
+	Graphics::PixelFormat _screenFormat;
+	Graphics::PixelFormat _cursorFormat;
+#endif
+
+	// temporary screen (for scalers)
+	SDL_Surface *_tmpscreen;
+	SDL_Surface *_tmpscreen2;
+
+	// overlay
+	SDL_Surface *_overlayscreen;
+	bool _overlayVisible;
+	Graphics::PixelFormat _overlayFormat;
+
+	enum {
+		kTransactionNone = 0,
+		kTransactionActive = 1,
+		kTransactionRollback = 2
+	};
+
+	struct TransactionDetails {
+		bool sizeChanged;
+		bool needHotswap;
+		bool needUpdatescreen;
+		bool normal1xScaler;
+#ifdef USE_RGB_COLOR
+		bool formatChanged;
+#endif
+	};
+	TransactionDetails _transactionDetails;
+
+	struct VideoState {
+		bool setup;
+
+		bool fullscreen;
+		bool aspectRatioCorrection;
+		AspectRatio desiredAspectRatio;
+
+		int mode;
+		int scaleFactor;
+
+		int screenWidth, screenHeight;
+		int overlayWidth, overlayHeight;
+		int hardwareWidth, hardwareHeight;
+#ifdef USE_RGB_COLOR
+		Graphics::PixelFormat format;
+#endif
+	};
+	VideoState _videoMode, _oldVideoMode;
+
+	virtual void setGraphicsModeIntern(); // overloaded by CE backend
+
+	/** Force full redraw on next updateScreen */
+	ScalerProc *_scalerProc;
+	int _scalerType;
+	int _transactionMode;
+
+	bool _screenIsLocked;
+	Graphics::Surface _framebuffer;
+
+	int _screenChangeCount;
+
+	enum {
+		NUM_DIRTY_RECT = 100,
+		MAX_SCALING = 3
+	};
+
+	// Dirty rect management
+	SDL_Rect _dirtyRectList[NUM_DIRTY_RECT];
+	int _numDirtyRects;
+
+	struct MousePos {
+		// The mouse position, using either virtual (game) or real
+		// (overlay) coordinates.
+		int16 x, y;
+
+		// The size and hotspot of the original cursor image.
+		int16 w, h;
+		int16 hotX, hotY;
+
+		// The size and hotspot of the pre-scaled cursor image, in real
+		// coordinates.
+		int16 rW, rH;
+		int16 rHotX, rHotY;
+
+		// The size and hotspot of the pre-scaled cursor image, in game
+		// coordinates.
+		int16 vW, vH;
+		int16 vHotX, vHotY;
+
+		MousePos() : x(0), y(0), w(0), h(0), hotX(0), hotY(0),
+		             rW(0), rH(0), rHotX(0), rHotY(0), vW(0), vH(0),
+		             vHotX(0), vHotY(0)
+			{ }
+	};
+
+	bool _mouseVisible;
+	bool _mouseNeedsRedraw;
+	byte *_mouseData;
+	SDL_Rect _mouseBackup;
+	MousePos _mouseCurState; // Move to events?
+#ifdef USE_RGB_COLOR
+	uint32 _mouseKeyColor;
+#else
+	byte _mouseKeyColor;
+#endif
+	int _cursorTargetScale;
+	bool _cursorPaletteDisabled;
+	SDL_Surface *_mouseOrigSurface;
+	SDL_Surface *_mouseSurface;
+	enum {
+		kMouseColorKey = 1
+	};
+
+	// Shake mode
+	int _currentShakePos;
+	int _newShakePos;
+
+	// Palette data
+	SDL_Color *_currentPalette;
+	uint _paletteDirtyStart, _paletteDirtyEnd;
+
+	// Cursor palette data
+	SDL_Color *_cursorPalette;
+
+	/**
+	 * Mutex which prevents multiple threads from interfering with each other
+	 * when accessing the screen.
+	 */
+	OSystem::MutexRef _graphicsMutex;
+
+	virtual void addDirtyRect(int x, int y, int w, int h, bool realCoordinates = false); // overloaded by CE backend
+
+	virtual void drawMouse(); // overloaded by CE backend
+	virtual void undrawMouse(); // overloaded by CE backend (FIXME)
+	virtual void blitCursor(); // overloaded by CE backend (FIXME)
+
+	virtual void internUpdateScreen(); // overloaded by CE backend
+
+	virtual bool loadGFXMode(); // overloaded by CE backend
+	virtual void unloadGFXMode(); // overloaded by CE backend
+	virtual bool hotswapGFXMode(); // overloaded by CE backend
+
+	void setFullscreenMode(bool enable);
+	void setAspectRatioCorrection(bool enable);
+
+	virtual bool saveScreenshot(const char *filename); // overloaded by CE backend
+
+	int effectiveScreenHeight() const;
+};
+
+
+#endif