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diff --git a/examples/widgets/tetrix/tetrixpiece.h b/examples/widgets/tetrix/tetrixpiece.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TETRIXPIECE_H
+#define TETRIXPIECE_H
+
+enum TetrixShape { NoShape, ZShape, SShape, LineShape, TShape, SquareShape,
+                   LShape, MirroredLShape };
+
+//! [0]
+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];
+};
+//! [0]
+
+#endif