a509afdf4d
This function used to be called from the Engine class, but was
not longer used since commit 432fd522. The single remaining use
was an internal use in the SurfaceSdlGraphicsManager, and I kept
the behaviour there while removing the function.
118 lines
4.9 KiB
C++
118 lines
4.9 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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*
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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, 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/mode.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) const = 0;
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virtual void setFeatureState(OSystem::Feature f, bool enable) = 0;
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virtual bool getFeatureState(OSystem::Feature f) const = 0;
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virtual const OSystem::GraphicsMode *getSupportedGraphicsModes() const {
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static const OSystem::GraphicsMode noGraphicsModes[] = {{"NONE", "Normal", 0}, {nullptr, nullptr, 0 }};
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return noGraphicsModes;
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};
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virtual int getDefaultGraphicsMode() const { return 0; }
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virtual bool setGraphicsMode(int mode, uint flags = OSystem::kGfxModeNoFlags) { return (mode == 0); }
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virtual int getGraphicsMode() const { return 0; }
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virtual const OSystem::GraphicsMode *getSupportedShaders() const {
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static const OSystem::GraphicsMode no_shader[2] = {{"NONE", "Normal (no shader)", 0}, {0, 0, 0}};
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return no_shader;
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};
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virtual int getDefaultShader() const { return 0; }
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virtual bool setShader(int id) { return false; }
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virtual int getShader() const { return 0; }
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virtual const OSystem::GraphicsMode *getSupportedStretchModes() const {
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static const OSystem::GraphicsMode noStretchModes[] = {{"NONE", "Normal", 0}, {nullptr, nullptr, 0 }};
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return noStretchModes;
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}
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virtual int getDefaultStretchMode() const { return 0; }
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virtual bool setStretchMode(int mode) { return false; }
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virtual int getStretchMode() const { return 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 void initSizeHint(const Graphics::ModeList &modes) {}
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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() const = 0;
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virtual int16 getWidth() const = 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) const = 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 shakeXOffset, int shakeYOffset) = 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 bool isOverlayVisible() const = 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) const = 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() const = 0;
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virtual int16 getOverlayWidth() const = 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 Common::U32String &msg) {}
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virtual void displayActivityIconOnOSD(const Graphics::Surface *icon) {}
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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) const = 0;
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virtual void saveScreenshot() {}
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virtual bool lockMouse(bool lock) { return false; }
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};
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#endif
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