6e46e9dfaf
Sadly this also requires us to extend GraphicsManager for this SDL specific feature. However, since that's only used in the SDL backend and Tizen it should be fine for now...
114 lines
4.4 KiB
C++
114 lines
4.4 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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*/
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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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/**
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* Makes this graphics manager active. That means it should be ready to
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* process inputs now. However, even without being active it should be
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* able to query the supported modes and other bits.
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*
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* HACK: Actually this is specific to SdlGraphicsManager subclasses.
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* But sadly we cannot cast from GraphicsManager to SdlGraphicsManager
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* because there is no relation between these two.
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*/
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virtual void activateManager() {}
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/**
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* Makes this graphics manager inactive. This should allow another
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* graphics manager to become active again.
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*
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* HACK: Actually this is specific to SdlGraphicsManager subclasses.
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* But sadly we cannot cast from GraphicsManager to SdlGraphicsManager
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* because there is no relation between these two.
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*/
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virtual void deactivateManager() {}
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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 void *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(void *buf, int pitch) = 0;
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virtual void copyRectToOverlay(const void *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 void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale = false, 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 displayMessageOnOSD(const char *msg) {}
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// Graphics::PaletteManager interface
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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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};
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#endif
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