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diff --git a/examples/tetrix/tpiece.h b/examples/tetrix/tpiece.h
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+++ b/examples/tetrix/tpiece.h
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+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for TQt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#ifndef TPIECE_H
+#define TPIECE_H
+
+class TetrixPiece
+{
+public:
+    TetrixPiece()                        {setRandomType();}
+    TetrixPiece(int type)                {initialize(type % 7 + 1);}
+
+    void setRandomType()                 {initialize(randomValue(7) + 1);}
+
+    void rotateLeft();
+    void rotateRight();
+
+    int  getType()                       {return pieceType;}
+    int  getXCoord(int index)            {return coordinates[index][0];}
+    int  getYCoord(int index)            {return coordinates[index][1];}
+    void getCoord(int index,int &x,int&y){x = coordinates[index][0];
+                                          y = coordinates[index][1];}
+    int  getMinX();
+    int  getMaxX();
+    int  getMinY();
+    int  getMaxY();
+
+    static void   setRandomSeed(double seed);
+    static int    randomValue(int maxPlusOne);
+
+private:
+    void setXCoord(int index,int value)  {coordinates[index][0] = value;}
+    void setYCoord(int index,int value)  {coordinates[index][1] = value;}
+    void setCoords(int index,int x,int y){coordinates[index][0] = x;
+                                          coordinates[index][1] = y;}
+    void initialize(int type);
+
+    int  pieceType;
+    int  coordinates[4][2];
+
+    static double randomSeed;
+};
+
+#endif