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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPOLYGON_H
#define QPOLYGON_H
#include <QtCore/qvector.h>
#include <QtCore/qpoint.h>
#include <QtCore/qrect.h>
QT_BEGIN_NAMESPACE
class QMatrix;
class QTransform;
class QRect;
class QVariant;
class Q_GUI_EXPORT QPolygon : public QVector<QPoint>
{
public:
inline QPolygon() {}
inline ~QPolygon() {}
inline explicit QPolygon(int size);
inline QPolygon(const QPolygon &a) : QVector<QPoint>(a) {}
inline /*implicit*/ QPolygon(const QVector<QPoint> &v) : QVector<QPoint>(v) {}
QPolygon(const QRect &r, bool closed=false);
QPolygon(int nPoints, const int *points);
inline void swap(QPolygon &other) { QVector<QPoint>::swap(other); } // prevent QVector<QPoint><->QPolygon swaps
operator QVariant() const;
void translate(int dx, int dy);
void translate(const QPoint &offset);
QPolygon translated(int dx, int dy) const Q_REQUIRED_RESULT;
inline QPolygon translated(const QPoint &offset) const Q_REQUIRED_RESULT;
QRect boundingRect() const;
void point(int i, int *x, int *y) const;
QPoint point(int i) const;
void setPoint(int index, int x, int y);
void setPoint(int index, const QPoint &p);
void setPoints(int nPoints, const int *points);
void setPoints(int nPoints, int firstx, int firsty, ...);
void putPoints(int index, int nPoints, const int *points);
void putPoints(int index, int nPoints, int firstx, int firsty, ...);
void putPoints(int index, int nPoints, const QPolygon & from, int fromIndex=0);
bool containsPoint(const QPoint &pt, Qt::FillRule fillRule) const;
QPolygon united(const QPolygon &r) const Q_REQUIRED_RESULT;
QPolygon intersected(const QPolygon &r) const Q_REQUIRED_RESULT;
QPolygon subtracted(const QPolygon &r) const Q_REQUIRED_RESULT;
};
inline QPolygon::QPolygon(int asize) : QVector<QPoint>(asize) {}
#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug, const QPolygon &);
#endif
/*****************************************************************************
QPolygon stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &stream, const QPolygon &polygon);
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &stream, QPolygon &polygon);
#endif
/*****************************************************************************
Misc. QPolygon functions
*****************************************************************************/
inline void QPolygon::setPoint(int index, const QPoint &pt)
{ (*this)[index] = pt; }
inline void QPolygon::setPoint(int index, int x, int y)
{ (*this)[index] = QPoint(x, y); }
inline QPoint QPolygon::point(int index) const
{ return at(index); }
inline void QPolygon::translate(const QPoint &offset)
{ translate(offset.x(), offset.y()); }
inline QPolygon QPolygon::translated(const QPoint &offset) const
{ return translated(offset.x(), offset.y()); }
class QRectF;
class Q_GUI_EXPORT QPolygonF : public QVector<QPointF>
{
public:
inline QPolygonF() {}
inline ~QPolygonF() {}
inline explicit QPolygonF(int size);
inline QPolygonF(const QPolygonF &a) : QVector<QPointF>(a) {}
inline /*implicit*/ QPolygonF(const QVector<QPointF> &v) : QVector<QPointF>(v) {}
QPolygonF(const QRectF &r);
/*implicit*/ QPolygonF(const QPolygon &a);
inline void swap(QPolygonF &other) { QVector<QPointF>::swap(other); } // prevent QVector<QPointF><->QPolygonF swaps
operator QVariant() const;
inline void translate(qreal dx, qreal dy);
void translate(const QPointF &offset);
inline QPolygonF translated(qreal dx, qreal dy) const;
QPolygonF translated(const QPointF &offset) const;
QPolygon toPolygon() const;
bool isClosed() const { return !isEmpty() && first() == last(); }
QRectF boundingRect() const;
bool containsPoint(const QPointF &pt, Qt::FillRule fillRule) const;
QPolygonF united(const QPolygonF &r) const;
QPolygonF intersected(const QPolygonF &r) const;
QPolygonF subtracted(const QPolygonF &r) const;
};
inline QPolygonF::QPolygonF(int asize) : QVector<QPointF>(asize) {}
#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug, const QPolygonF &);
#endif
/*****************************************************************************
QPolygonF stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &stream, const QPolygonF &array);
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &stream, QPolygonF &array);
#endif
inline void QPolygonF::translate(qreal dx, qreal dy)
{ translate(QPointF(dx, dy)); }
inline QPolygonF QPolygonF::translated(qreal dx, qreal dy) const
{ return translated(QPointF(dx, dy)); }
QT_END_NAMESPACE
#endif // QPOLYGON_H
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