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backends/platform/ds/osystem_ds.h
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216
backends/platform/ds/osystem_ds.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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef _OSYSTEM_DS_H_
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#define _OSYSTEM_DS_H_
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#include "backends/modular-backend.h"
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#include "backends/events/ds/ds-events.h"
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#include "backends/mixer/mixer.h"
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#include "backends/platform/ds/background.h"
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#include "backends/platform/ds/keyboard.h"
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#include "graphics/surface.h"
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#include "graphics/paletteman.h"
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enum {
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GFX_NOSCALE = 0,
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GFX_HWSCALE = 1,
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GFX_SWSCALE = 2
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};
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class OSystem_DS : public ModularMixerBackend, public PaletteManager {
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protected:
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enum TransactionMode {
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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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/**
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* The current transaction mode.
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*/
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TransactionMode _transactionMode;
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//
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// Transaction support
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//
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struct VideoState {
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constexpr VideoState() : width(0), height(0), format(),
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graphicsMode(GFX_HWSCALE), stretchMode(100) {
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}
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uint width, height;
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Graphics::PixelFormat format;
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int graphicsMode;
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int stretchMode;
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};
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/**
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* The currently set up video state.
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*/
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VideoState _currentState;
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/**
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* The old video state used when doing a transaction rollback.
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*/
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VideoState _oldState;
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/**
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* The current screen change ID.
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*/
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int _screenChangeID;
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Graphics::Surface _framebuffer, _overlay;
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DS::Background *_screen, *_overlayScreen;
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#ifdef DISABLE_TEXT_CONSOLE
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DS::Background *_subScreen;
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DS::TiledBackground *_banner;
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#endif
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bool _subScreenActive;
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Graphics::Surface _cursor;
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bool _hiresHack;
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bool _paletteDirty, _cursorDirty;
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static OSystem_DS *_instance;
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u16 _palette[256];
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u16 _cursorPalette[256];
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u16 *_cursorSprite;
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Common::Point _cursorPos;
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int _cursorHotX;
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int _cursorHotY;
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uint32 _cursorKey;
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bool _cursorVisible;
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bool _overlayInGUI;
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DSEventSource *_eventSource;
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DS::Keyboard *_keyboard;
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void initGraphics();
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bool _disableCursorPalette;
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const Graphics::PixelFormat _pfCLUT8, _pfABGR1555;
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bool _engineRunning;
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public:
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OSystem_DS();
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virtual ~OSystem_DS();
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static OSystem_DS *instance() { return _instance; }
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virtual bool hasFeature(Feature f);
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virtual void setFeatureState(Feature f, bool enable);
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virtual bool getFeatureState(Feature f);
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virtual const OSystem::GraphicsMode *getSupportedGraphicsModes() const;
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virtual int getDefaultGraphicsMode() const;
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virtual bool setGraphicsMode(int mode, uint flags);
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virtual int getGraphicsMode() const;
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virtual const GraphicsMode *getSupportedStretchModes() const;
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virtual int getDefaultStretchMode() const;
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virtual bool setStretchMode(int mode);
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virtual int getStretchMode() const;
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virtual Graphics::PixelFormat getScreenFormat() const;
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virtual Common::List<Graphics::PixelFormat> getSupportedFormats() const;
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virtual void beginGFXTransaction();
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virtual OSystem::TransactionError endGFXTransaction();
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virtual int getScreenChangeID() const;
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virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format);
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virtual int16 getHeight();
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virtual int16 getWidth();
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virtual PaletteManager *getPaletteManager() { return this; }
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protected:
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// PaletteManager API
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virtual void setPalette(const byte *colors, uint start, uint num);
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virtual void grabPalette(byte *colors, uint start, uint num) const;
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public:
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virtual void copyRectToScreen(const void *buf, int pitch, int x, int y, int w, int h);
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virtual void updateScreen();
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virtual void setShakePos(int shakeXOffset, int shakeYOffset);
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virtual void showOverlay(bool inGUI);
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virtual void hideOverlay();
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virtual bool isOverlayVisible() const;
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virtual void clearOverlay();
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virtual void grabOverlay(Graphics::Surface &surface);
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virtual void copyRectToOverlay(const void *buf, int pitch, int x, int y, int w, int h);
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virtual int16 getOverlayHeight() const;
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virtual int16 getOverlayWidth() const;
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virtual Graphics::PixelFormat getOverlayFormat() const;
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Common::Point transformPoint(int16 x, int16 y);
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virtual bool showMouse(bool visible);
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virtual void warpMouse(int x, int y);
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virtual void setMouseCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, u32 keycolor, bool dontScale, const Graphics::PixelFormat *format, const byte *mask);
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virtual void addSysArchivesToSearchSet(Common::SearchSet &s, int priority);
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virtual uint32 getMillis(bool skipRecord = false);
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virtual void delayMillis(uint msecs);
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virtual void getTimeAndDate(TimeDate &td, bool skipRecord = false) const;
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void doTimerCallback(int interval = 10);
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virtual Common::MutexInternal *createMutex();
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virtual Common::EventSource *getDefaultEventSource() { return _eventSource; }
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virtual Common::HardwareInputSet *getHardwareInputSet();
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virtual Common::String getSystemLanguage() const;
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virtual void engineInit();
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virtual void engineDone();
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virtual void quit();
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virtual void setFocusRectangle(const Common::Rect& rect);
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virtual void clearFocusRectangle();
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virtual void initBackend();
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virtual Graphics::Surface *lockScreen();
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virtual void unlockScreen();
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virtual void setCursorPalette(const byte *colors, uint start, uint num);
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void setSwapLCDs(bool swap);
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void refreshCursor(u16 *dst, const Graphics::Surface &src, const uint16 *palette);
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virtual void logMessage(LogMessageType::Type type, const char *message);
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virtual void messageBox(LogMessageType::Type type, const char *message);
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void setMainScreen(int32 x, int32 y, int32 sx, int32 sy);
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void setSubScreen(int32 x, int32 y, int32 sx, int32 sy);
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int _currentTimeMillis, _callbackTimer;
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};
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#endif
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