1 files changed, 88 insertions, 0 deletions
diff --git a/backends/graphics/null/null-graphics.h b/backends/graphics/null/null-graphics.h
new file mode 100644
index 0000000000..4c75a9faba
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+++ b/backends/graphics/null/null-graphics.h
@@ -0,0 +1,88 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#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 : GraphicsManager {
+public:
+	virtual ~NullGraphicsManager() {}
+
+	bool hasFeature(OSystem::Feature f) { return false; }
+	void setFeatureState(OSystem::Feature f, bool enable) {}
+	bool getFeatureState(OSystem::Feature f) { return false; }
+
+	const OSystem::GraphicsMode *getSupportedGraphicsModes() const { return s_noGraphicsModes; }
+	int getDefaultGraphicsMode() const { return 0; }
+	bool setGraphicsMode(int mode) { return true; }
+	int getGraphicsMode() const { return 0; }
+	inline Graphics::PixelFormat getScreenFormat() const {
+		return Graphics::PixelFormat::createFormatCLUT8();
+	};
+	inline Common::List<Graphics::PixelFormat> getSupportedFormats() {
+		Common::List<Graphics::PixelFormat> list;
+		list.push_back(Graphics::PixelFormat::createFormatCLUT8());
+		return list;
+	};
+	void initSize(uint width, uint height, const Graphics::PixelFormat *format = NULL) {}
+	virtual int getScreenChangeID() const { return 0; }
+
+	void beginGFXTransaction() {}
+	OSystem::TransactionError endGFXTransaction() { return OSystem::kTransactionSuccess; }
+
+	int16 getHeight() { return 0; }
+	int16 getWidth() { return 0; }
+	void setPalette(const byte *colors, uint start, uint num) {}
+	void grabPalette(byte *colors, uint start, uint num) {}
+	void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) {}
+	Graphics::Surface *lockScreen() { return NULL; }
+	void unlockScreen() {}
+	void fillScreen(uint32 col) {}
+	void updateScreen() {}
+	void setShakePos(int shakeOffset) {}
+	void setFocusRectangle(const Common::Rect& rect) {}
+	void clearFocusRectangle() {}
+
+	void showOverlay() {}
+	void hideOverlay() {}
+	Graphics::PixelFormat getOverlayFormat() const { return Graphics::PixelFormat(); }
+	void clearOverlay() {}
+	void grabOverlay(OverlayColor *buf, int pitch) {}
+	void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h) {}
+	int16 getOverlayHeight() { return 0; }
+	int16 getOverlayWidth() { return 0; }
+
+	bool showMouse(bool visible) { return !visible; }
+	void warpMouse(int x, int y) {}
+	void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int cursorTargetScale = 1, const Graphics::PixelFormat *format = NULL) {}
+	void setCursorPalette(const byte *colors, uint start, uint num) {}
+	void disableCursorPalette(bool disable) {}
+};
+
+#endif