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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef BACKENDS_GRAPHICS_NULL_H
#define BACKENDS_GRAPHICS_NULL_H
#include "backends/graphics/graphics.h"
static const OSystem::GraphicsMode s_noGraphicsModes[] = { {0, 0, 0} };
class NullGraphicsManager : public GraphicsManager {
public:
virtual ~NullGraphicsManager() {}
bool hasFeature(OSystem::Feature f) const override { return false; }
void setFeatureState(OSystem::Feature f, bool enable) override {}
bool getFeatureState(OSystem::Feature f) const override { return false; }
const OSystem::GraphicsMode *getSupportedGraphicsModes() const override { return s_noGraphicsModes; }
int getDefaultGraphicsMode() const override { return 0; }
bool setGraphicsMode(int mode) override { return true; }
void resetGraphicsScale() override {}
int getGraphicsMode() const override { return 0; }
inline Graphics::PixelFormat getScreenFormat() const override {
return Graphics::PixelFormat::createFormatCLUT8();
}
inline Common::List<Graphics::PixelFormat> getSupportedFormats() const override {
Common::List<Graphics::PixelFormat> list;
list.push_back(Graphics::PixelFormat::createFormatCLUT8());
return list;
}
void initSize(uint width, uint height, const Graphics::PixelFormat *format = NULL) override {}
virtual int getScreenChangeID() const override { return 0; }
void beginGFXTransaction() override {}
OSystem::TransactionError endGFXTransaction() override { return OSystem::kTransactionSuccess; }
int16 getHeight() const override { return 0; }
int16 getWidth() const override { return 0; }
void setPalette(const byte *colors, uint start, uint num) override {}
void grabPalette(byte *colors, uint start, uint num) const override {}
void copyRectToScreen(const void *buf, int pitch, int x, int y, int w, int h) override {}
Graphics::Surface *lockScreen() override { return NULL; }
void unlockScreen() override {}
void fillScreen(uint32 col) override {}
void updateScreen() override {}
void setShakePos(int shakeXOffset, int shakeYOffset) override {}
void setFocusRectangle(const Common::Rect& rect) override {}
void clearFocusRectangle() override {}
void showOverlay() override {}
void hideOverlay() override {}
Graphics::PixelFormat getOverlayFormat() const override { return Graphics::PixelFormat(); }
void clearOverlay() override {}
void grabOverlay(void *buf, int pitch) const override {}
void copyRectToOverlay(const void *buf, int pitch, int x, int y, int w, int h) override {}
int16 getOverlayHeight() const override { return 0; }
int16 getOverlayWidth() const override { return 0; }
bool showMouse(bool visible) override { return !visible; }
void warpMouse(int x, int y) override {}
void setMouseCursor(const void *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, bool dontScale = false, const Graphics::PixelFormat *format = NULL) override {}
void setCursorPalette(const byte *colors, uint start, uint num) override {}
};
#endif
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