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# tetrixpiece.h Example File
widgets/tetrix/tetrixpiece.h

        /****************************************************************************
        **
        ** Copyright (C) 2004-2006 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation 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
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        ** review the following information:
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        #ifndef TETRIXPIECE_H
        #define TETRIXPIECE_H

        enum 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