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Created SdlGraphicsManager.
svn-id: r49444
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Alejandro Marzini
parent
e2fb49fb41
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backends/graphics/sdl/sdl-graphics.cpp
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backends/graphics/sdl/sdl-graphics.cpp
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backends/graphics/sdl/sdl-graphics.h
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backends/graphics/sdl/sdl-graphics.h
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/* 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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* 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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* $URL$
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* $Id$
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*
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*/
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#ifndef BACKENDS_GRAPHICS_SDL_H
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#define BACKENDS_GRAPHICS_SDL_H
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#include "backends/graphics/default/default-graphics.h"
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#include "common/system.h"
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#include "graphics/scaler.h"
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#if defined(__SYMBIAN32__)
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#include <esdl\SDL.h>
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#else
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#include <SDL.h>
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#endif
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enum {
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GFX_NORMAL = 0,
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GFX_DOUBLESIZE = 1,
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GFX_TRIPLESIZE = 2,
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GFX_2XSAI = 3,
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GFX_SUPER2XSAI = 4,
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GFX_SUPEREAGLE = 5,
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GFX_ADVMAME2X = 6,
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GFX_ADVMAME3X = 7,
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GFX_HQ2X = 8,
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GFX_HQ3X = 9,
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GFX_TV2X = 10,
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GFX_DOTMATRIX = 11
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};
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class AspectRatio {
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int _kw, _kh;
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public:
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AspectRatio() { _kw = _kh = 0; }
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AspectRatio(int w, int h);
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bool isAuto() const { return (_kw | _kh) == 0; }
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int kw() const { return _kw; }
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int kh() const { return _kh; }
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};
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class SdlGraphicsManager : public DefaultGraphicsManager {
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public:
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SdlGraphicsManager();
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~SdlGraphicsManager();
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bool hasGraphicsFeature(OSystem::Feature f);
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void setGraphicsFeatureState(OSystem::Feature f, bool enable);
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bool getGraphicsFeatureState(OSystem::Feature f);
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const OSystem::GraphicsMode *getSupportedGraphicsModes() const;
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int getDefaultGraphicsMode() const;
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bool setGraphicsMode(int mode);
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bool setGraphicsMode(const char *name);
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int getGraphicsMode() const;
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#ifdef USE_RGB_COLOR
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// Game screen
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virtual Graphics::PixelFormat getScreenFormat() const { return _screenFormat; }
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// Highest supported
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virtual Common::List<Graphics::PixelFormat> getSupportedFormats();
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#endif
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void beginGFXTransaction();
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OSystem::TransactionError endGFXTransaction();
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virtual void initSize(uint w, uint h, const Graphics::PixelFormat *format = NULL);
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virtual int16 getHeight();
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virtual int16 getWidth();
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void setPalette(const byte *colors, uint start, uint num);
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void grabPalette(byte *colors, uint start, uint num);
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virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
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virtual Graphics::Surface *lockScreen();
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virtual void unlockScreen();
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void fillScreen(uint32 col);
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void updateScreen();
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void setShakePos(int shakeOffset);
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virtual void showOverlay();
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virtual void hideOverlay();
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virtual Graphics::PixelFormat getOverlayFormat() const { return _overlayFormat; }
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void clearOverlay();
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void grabOverlay(OverlayColor *buf, int pitch);
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void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
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virtual int16 getOverlayHeight() { return _videoMode.overlayHeight; }
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virtual int16 getOverlayWidth() { return _videoMode.overlayWidth; }
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bool showMouse(bool visible);
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virtual void warpMouse(int x, int y);
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virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int cursorTargetScale = 1, const Graphics::PixelFormat *format = NULL);
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void setCursorPalette(const byte *colors, uint start, uint num);
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void disableCursorPalette(bool disable) {
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_cursorPaletteDisabled = disable;
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blitCursor();
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}
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virtual int getScreenChangeID() const { return _screenChangeCount; }
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protected:
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#ifdef USE_OSD
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SDL_Surface *_osdSurface;
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Uint8 _osdAlpha; // Transparency level of the OSD
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uint32 _osdFadeStartTime; // When to start the fade out
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enum {
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kOSDFadeOutDelay = 2 * 1000, // Delay before the OSD is faded out (in milliseconds)
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kOSDFadeOutDuration = 500, // Duration of the OSD fade out (in milliseconds)
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kOSDColorKey = 1,
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kOSDInitialAlpha = 80 // Initial alpha level, in percent
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};
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#endif
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// hardware screen
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SDL_Surface *_hwscreen;
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// unseen game screen
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SDL_Surface *_screen;
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#ifdef USE_RGB_COLOR
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Graphics::PixelFormat _screenFormat;
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Graphics::PixelFormat _cursorFormat;
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#endif
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// temporary screen (for scalers)
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SDL_Surface *_tmpscreen;
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SDL_Surface *_tmpscreen2;
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// overlay
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SDL_Surface *_overlayscreen;
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bool _overlayVisible;
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Graphics::PixelFormat _overlayFormat;
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enum {
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kTransactionNone = 0,
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kTransactionActive = 1,
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kTransactionRollback = 2
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};
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struct TransactionDetails {
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bool sizeChanged;
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bool needHotswap;
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bool needUpdatescreen;
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bool normal1xScaler;
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#ifdef USE_RGB_COLOR
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bool formatChanged;
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#endif
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};
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TransactionDetails _transactionDetails;
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struct VideoState {
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bool setup;
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bool fullscreen;
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bool aspectRatioCorrection;
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AspectRatio desiredAspectRatio;
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int mode;
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int scaleFactor;
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int screenWidth, screenHeight;
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int overlayWidth, overlayHeight;
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int hardwareWidth, hardwareHeight;
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#ifdef USE_RGB_COLOR
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Graphics::PixelFormat format;
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#endif
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};
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VideoState _videoMode, _oldVideoMode;
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virtual void setGraphicsModeIntern(); // overloaded by CE backend
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/** Force full redraw on next updateScreen */
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bool _forceFull;
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ScalerProc *_scalerProc;
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int _scalerType;
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int _transactionMode;
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bool _screenIsLocked;
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Graphics::Surface _framebuffer;
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/** Current video mode flags (see DF_* constants) */
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bool _modeChanged;
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int _screenChangeCount;
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enum {
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NUM_DIRTY_RECT = 100,
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MAX_SCALING = 3
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};
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// Dirty rect management
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SDL_Rect _dirtyRectList[NUM_DIRTY_RECT];
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int _numDirtyRects;
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void setMousePos(int x, int y);
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struct MousePos {
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// The mouse position, using either virtual (game) or real
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// (overlay) coordinates.
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int16 x, y;
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// The size and hotspot of the original cursor image.
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int16 w, h;
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int16 hotX, hotY;
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// The size and hotspot of the pre-scaled cursor image, in real
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// coordinates.
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int16 rW, rH;
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int16 rHotX, rHotY;
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// The size and hotspot of the pre-scaled cursor image, in game
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// coordinates.
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int16 vW, vH;
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int16 vHotX, vHotY;
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MousePos() : x(0), y(0), w(0), h(0), hotX(0), hotY(0),
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rW(0), rH(0), rHotX(0), rHotY(0), vW(0), vH(0),
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vHotX(0), vHotY(0)
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{ }
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};
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bool _mouseVisible;
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bool _mouseNeedsRedraw;
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byte *_mouseData;
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SDL_Rect _mouseBackup;
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MousePos _mouseCurState; // Move to events?
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#ifdef USE_RGB_COLOR
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uint32 _mouseKeyColor;
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#else
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byte _mouseKeyColor;
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#endif
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int _cursorTargetScale;
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bool _cursorPaletteDisabled;
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SDL_Surface *_mouseOrigSurface;
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SDL_Surface *_mouseSurface;
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enum {
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kMouseColorKey = 1
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};
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// Shake mode
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int _currentShakePos;
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int _newShakePos;
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// Palette data
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SDL_Color *_currentPalette;
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uint _paletteDirtyStart, _paletteDirtyEnd;
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// Cursor palette data
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SDL_Color *_cursorPalette;
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/**
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* Mutex which prevents multiple threads from interfering with each other
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* when accessing the screen.
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*/
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OSystem::MutexRef _graphicsMutex;
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virtual void addDirtyRect(int x, int y, int w, int h, bool realCoordinates = false); // overloaded by CE backend
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virtual void drawMouse(); // overloaded by CE backend
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virtual void undrawMouse(); // overloaded by CE backend (FIXME)
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virtual void blitCursor(); // overloaded by CE backend (FIXME)
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virtual void internUpdateScreen(); // overloaded by CE backend
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virtual bool loadGFXMode(); // overloaded by CE backend
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virtual void unloadGFXMode(); // overloaded by CE backend
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virtual bool hotswapGFXMode(); // overloaded by CE backend
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void setFullscreenMode(bool enable);
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void setAspectRatioCorrection(bool enable);
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virtual bool saveScreenshot(const char *filename); // overloaded by CE backend
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int effectiveScreenHeight() const;
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void setupIcon();
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bool handleScalerHotkeys(const SDL_KeyboardEvent &key); // Move to events?
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bool isScalerHotkey(const Common::Event &event); // Move to events?
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};
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#endif
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