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94 lines
3.6 KiB
C++
94 lines
3.6 KiB
C++
/* 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_ABSTRACT_H
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#define BACKENDS_GRAPHICS_ABSTRACT_H
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#include "common/system.h"
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#include "common/noncopyable.h"
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#include "common/keyboard.h"
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#include "graphics/palette.h"
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/**
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* Abstract class for graphics manager. Subclasses
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* implement the real functionality.
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*/
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class GraphicsManager : public PaletteManager {
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public:
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virtual ~GraphicsManager() {}
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virtual bool hasFeature(OSystem::Feature f) = 0;
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virtual void setFeatureState(OSystem::Feature f, bool enable) = 0;
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virtual bool getFeatureState(OSystem::Feature f) = 0;
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virtual const OSystem::GraphicsMode *getSupportedGraphicsModes() const = 0;
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virtual int getDefaultGraphicsMode() const = 0;
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virtual bool setGraphicsMode(int mode) = 0;
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virtual void resetGraphicsScale() = 0;
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virtual int getGraphicsMode() const = 0;
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#ifdef USE_RGB_COLOR
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virtual Graphics::PixelFormat getScreenFormat() const = 0;
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virtual Common::List<Graphics::PixelFormat> getSupportedFormats() const = 0;
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#endif
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virtual void initSize(uint width, uint height, const Graphics::PixelFormat *format = NULL) = 0;
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virtual int getScreenChangeID() const = 0;
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virtual void beginGFXTransaction() = 0;
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virtual OSystem::TransactionError endGFXTransaction() = 0;
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virtual int16 getHeight() = 0;
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virtual int16 getWidth() = 0;
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virtual void setPalette(const byte *colors, uint start, uint num) = 0;
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virtual void grabPalette(byte *colors, uint start, uint num) = 0;
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virtual void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) = 0;
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virtual Graphics::Surface *lockScreen() = 0;
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virtual void unlockScreen() = 0;
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virtual void fillScreen(uint32 col) = 0;
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virtual void updateScreen() = 0;
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virtual void setShakePos(int shakeOffset) = 0;
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virtual void setFocusRectangle(const Common::Rect& rect) = 0;
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virtual void clearFocusRectangle() = 0;
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virtual void showOverlay() = 0;
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virtual void hideOverlay() = 0;
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virtual Graphics::PixelFormat getOverlayFormat() const = 0;
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virtual void clearOverlay() = 0;
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virtual void grabOverlay(OverlayColor *buf, int pitch) = 0;
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virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h)= 0;
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virtual int16 getOverlayHeight() = 0;
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virtual int16 getOverlayWidth() = 0;
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virtual bool showMouse(bool visible) = 0;
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virtual void warpMouse(int x, int y) = 0;
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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) = 0;
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virtual void setCursorPalette(const byte *colors, uint start, uint num) = 0;
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virtual void disableCursorPalette(bool disable) = 0;
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virtual void displayMessageOnOSD(const char *msg) {}
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};
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#endif
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