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

    /****************************************************************************
    **
    ** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
    **
    ** This file is part of the example classes of the Qt Toolkit.
    **
    ** Licensees holding valid Qt Preview licenses may use this file in
    ** accordance with the Qt Preview License Agreement provided with the
    ** Software.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    ** information about Qt Commercial License Agreements.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    ** 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_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