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<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">tetrixpiece.cpp Example File<br /><small><small>widgets/tetrix/tetrixpiece.cpp</small></small></h1>
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<pre> /****************************************************************************
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** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
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** This file is part of the documentation of the Qt Toolkit.
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** This file may be distributed under the terms of the Q Public License
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** as defined by Trolltech AS of Norway and appearing in the file
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** LICENSE.QPL included in the packaging of this file.
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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** information about Qt Commercial License Agreements.
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
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** Contact info@trolltech.com if any conditions of this licensing are
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/
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#include <QtCore>
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#include <stdlib.h>
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#include "tetrixpiece.h"
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void TetrixPiece::setRandomShape()
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setShape(TetrixShape(rand() % 7 + 1));
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void TetrixPiece::setShape(TetrixShape shape)
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static const int coordsTable[8][4][2] = {
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{ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } },
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{ { 0, -1 }, { 0, 0 }, { -1, 0 }, { -1, 1 } },
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{ { 0, -1 }, { 0, 0 }, { 1, 0 }, { 1, 1 } },
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{ { 0, -1 }, { 0, 0 }, { 0, 1 }, { 0, 2 } },
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{ { -1, 0 }, { 0, 0 }, { 1, 0 }, { 0, 1 } },
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{ { 0, 0 }, { 1, 0 }, { 0, 1 }, { 1, 1 } },
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{ { -1, -1 }, { 0, -1 }, { 0, 0 }, { 0, 1 } },
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{ { 1, -1 }, { 0, -1 }, { 0, 0 }, { 0, 1 } }
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for (int i = 0; i < 4 ; i++) {
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for (int j = 0; j < 2; ++j)
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coords[i][j] = coordsTable[shape][i][j];
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int TetrixPiece::minX() const
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int min = coords[0][0];
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for (int i = 1; i < 4; ++i)
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min = qMin(min, coords[i][0]);
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int TetrixPiece::maxX() const
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int max = coords[0][0];
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for (int i = 1; i < 4; ++i)
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max = qMax(max, coords[i][0]);
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int TetrixPiece::minY() const
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int min = coords[0][1];
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for (int i = 1; i < 4; ++i)
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min = qMin(min, coords[i][1]);
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int TetrixPiece::maxY() const
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int max = coords[0][1];
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for (int i = 1; i < 4; ++i)
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max = qMax(max, coords[i][1]);
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TetrixPiece TetrixPiece::rotatedLeft() const
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if (pieceShape == SquareShape)
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result.pieceShape = pieceShape;
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for (int i = 0; i < 4; ++i) {
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result.setX(i, y(i));
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result.setY(i, -x(i));
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TetrixPiece TetrixPiece::rotatedRight() const
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if (pieceShape == SquareShape)
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result.pieceShape = pieceShape;
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for (int i = 0; i < 4; ++i) {
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result.setX(i, -y(i));
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result.setY(i, x(i));
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<td width="30%" align="right"><div align="right">Qt 4.0.0</div></td>
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