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

     /****************************************************************************
     **
     ** Copyright (C) 2004-$THISYEAR$ $TROLLTECH$. All rights reserved.
     **
     ** This file is part of the $MODULE$ of the Qt Toolkit.
     **
     ** $TROLLTECH_DUAL_LICENSE$
     **
     ** 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