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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/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 GraphicsManager {
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
virtual Graphics::PixelFormat getScreenFormat() const { return _screenFormat; }
virtual Common::List<Graphics::PixelFormat> getSupportedFormats();
#endif
virtual void initSize(uint w, uint h, const Graphics::PixelFormat *format = NULL);
virtual int getScreenChangeID() const { return _screenChangeCount; }
void beginGFXTransaction();
OSystem::TransactionError endGFXTransaction();
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);
void setFocusRectangle(const Common::Rect& rect) {}
void clearFocusRectangle() {}
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();
}
#ifdef USE_OSD
void displayMessageOnOSD(const char *msg);
#endif
void forceFullRedraw();
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 */
bool _forceFull;
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
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