Mega Code Archive
QPolygon demo
<![CDATA[
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** 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
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** 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.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
int main()
{
{
QPolygon polygon;
polygon << QPoint(10, 20) << QPoint(20, 30);
}
{
QPolygonF polygon;
polygon << QPointF(10.4, 20.5) << QPointF(20.2, 30.2);
}
{
static const int points[] = { 10, 20, 30, 40 };
QPolygon polygon;
polygon.setPoints(2, points);
}
{
QPolygon polygon;
polygon.setPoints(2, 10, 20, 30, 40);
}
{
QPolygon polygon(1);
polygon[0] = QPoint(4, 5);
polygon.putPoints(1, 2, 6,7, 8,9);
}
{
QPolygon polygon(3);
polygon.putPoints(0, 3, 4,5, 0,0, 8,9);
polygon.putPoints(1, 1, 6,7);
}
{
QPolygon polygon1;
polygon1.putPoints(0, 3, 1,2, 0,0, 5,6);
// polygon1 is now the three-point polygon(1,2, 0,0, 5,6);
QPolygon polygon2;
polygon2.putPoints(0, 3, 4,4, 5,5, 6,6);
// polygon2 is now (4,4, 5,5, 6,6);
polygon1.putPoints(2, 3, polygon2);
// polygon1 is now the five-point polygon(1,2, 0,0, 4,4, 5,5, 6,6);
}
return 0;
}
]]>