/******************************************************************************** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.**** This file is part of the example classes of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 as published by the Free Software Foundation** and appearing in the file LICENSE.GPL included in the packaging of** this file.  Please review the following information to ensure GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef TETRIXPIECE_H#define TETRIXPIECE_Henum TetrixShape { NoShape, ZShape, SShape, LineShape, TShape, SquareShape,                   LShape, MirroredLShape };class TetrixPiece{public:    TetrixPiece() { setShape(NoShape); }    void setRandomShape();    void setShape(TetrixShape shape);    TetrixShape shape() const { return pieceShape; }    int x(int index) const { return coords[index][0]; }    int y(int index) const { return coords[index][1]; }    int minX() const;    int maxX() const;    int minY() const;    int maxY() const;    TetrixPiece rotatedLeft() const;    TetrixPiece rotatedRight() const;private:    void setX(int index, int x) { coords[index][0] = x; }    void setY(int index, int y) { coords[index][1] = y; }    TetrixShape pieceShape;    int coords[4][2];};#endif