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diff --git a/engines/hugo/display.h b/engines/hugo/display.h
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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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+/*
+ * This code is based on original Hugo Trilogy source code
+ *
+ * Copyright (c) 1989-1995 David P. Gray
+ *
+ */
+
+#ifndef HUGO_DISPLAY_H
+#define HUGO_DISPLAY_H
+namespace Hugo {
+
+enum overlayState_t {UNDEF, FG, BG};                        // Overlay state
+struct rect_t;
+
+class Screen {
+public:
+	Screen(HugoEngine &vm);
+
+	int16    fontHeight();
+	int16    stringLength(char *s);
+
+	void     displayBackground();
+	void     displayFrame(int sx, int sy, seq_t *seq, bool foreFl);
+	void     displayList(dupdate_t update, ...);
+	void     displayRect(int16 x, int16 y, int16 dx, int16 dy);
+	void     initDisplay();
+	void     loadFont(int16 fontId);
+	void     moveImage(image_pt srcImage, uint16 x1, uint16 y1, uint16 dx, uint16 dy, uint16 width1, image_pt dstImage, uint16 x2, uint16 y2, uint16 width2);
+	void     remapPal(uint16 oldIndex, uint16 newIndex);
+	void     restorePal(Common::SeekableReadStream *f);
+	void     savePal(Common::WriteStream *f);
+	void     setBackgroundColor(long color);
+	void     shadowStr(int16 sx, int16 sy, char *s, byte color);
+	void     userHelp();
+	void     writeChar(int16 x, int16 y, char c, byte color);
+	void     writeStr(int16 sx, int16 sy, char *s, byte color);
+
+	icondib_t &getIconBuffer() {
+		return _iconBuffer;
+	}
+	viewdib_t &getBackBuffer() {
+		return _backBuffer;
+	}
+	viewdib_t &getBackBufferBackup() {
+		return _backBufferBackup;
+	}
+	viewdib_t &getFrontBuffer() {
+		return _frontBuffer;
+	}
+	viewdib_t &getGUIBuffer() {
+		return _GUIBuffer;
+	}
+
+private:
+	HugoEngine &_vm;
+
+	// Fonts used in dib (non-GDI)
+	byte _fnt;                                      // Current font number
+	byte _fontdata[NUM_FONTS][FONTSIZE];            // Font data
+	byte *_font[NUM_FONTS][FONT_LEN];               // Ptrs to each char
+
+	viewdib_t _frontBuffer;
+	viewdib_t _backBuffer;
+	viewdib_t _GUIBuffer;                           // User interface images
+	viewdib_t _backBufferBackup;                    // Backup _backBuffer during inventory
+	icondib_t _iconBuffer;                          // Inventory icon DIB
+
+	void createPal();
+	overlayState_t findOvl(seq_t *seq_p, image_pt dst_p, uint16 y);
+	void merge(rect_t *rectA, rect_t *rectB);
+	int16 mergeLists(rect_t *list, rect_t *blist, int16 len, int16 blen, int16 bmax);
+	void writeChr(int sx, int sy, byte color, char *local_fontdata);
+	int16 center(char *s);
+
+// Also used in rout.cpp when DEBUG_ROUTE is defined
+	unsigned int GetPalIndex(byte color);
+
+// Useless ?
+	void     clearPromptLine();
+
+};
+
+} // end of namespace Hugo
+#endif //HUGO_DISPLAY_H