QPolygon demo : Draw Shape « Qt « C++

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C++ » Qt » Draw ShapeScreenshots 
QPolygon demo
  
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
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****************************************************************************/

#include <QtGui>

int main()
{
    {
        QPolygon polygon;
        polygon << QPoint(1020<< QPoint(2030);
    }

    {
        QPolygonF polygon;
        polygon << QPointF(10.420.5<< QPointF(20.230.2);
    }

    {
        static const int points[] 10203040 };
        QPolygon polygon;
        polygon.setPoints(2, points);
    }

    {
        QPolygon polygon;
        polygon.setPoints(210203040);
    }

    {
        QPolygon polygon(1);
        polygon[0= QPoint(45);
        polygon.putPoints(126,78,9);
    }

    {
        QPolygon polygon(3);
        polygon.putPoints(034,50,08,9);
        polygon.putPoints(116,7);
    }

    {
        QPolygon polygon1;
        polygon1.putPoints(031,20,05,6);
        // polygon1 is now the three-point polygon(1,2, 0,0, 5,6);

        QPolygon polygon2;
        polygon2.putPoints(034,45,56,6);
        // polygon2 is now (4,4, 5,5, 6,6);

        polygon1.putPoints(23, polygon2);
        // polygon1 is now the five-point polygon(1,2, 0,0, 4,4, 5,5, 6,6);
    }
    return 0;
}

   
    
  
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