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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QPOLYGON_H
#define QPOLYGON_H
#include <QtGui/qtguiglobal.h>
#include <QtCore/qlist.h>
#include <QtCore/qpoint.h>
#include <QtCore/qrect.h>
QT_BEGIN_NAMESPACE
class QTransform;
class QRect;
class QVariant;
class QPolygonF;
// We export each out-of-line method individually to prevent MSVC from
// exporting the whole QList class.
class QPolygon : public QList<QPoint>
{
public:
using QList<QPoint>::QList;
QPolygon() = default;
Q_IMPLICIT QPolygon(const QList<QPoint> &v) : QList<QPoint>(v) { }
Q_IMPLICIT QPolygon(QList<QPoint> &&v) noexcept : QList<QPoint>(std::move(v)) { }
Q_IMPLICIT Q_GUI_EXPORT QPolygon(const QRect &r, bool closed=false);
Q_GUI_EXPORT QPolygon(int nPoints, const int *points);
void swap(QPolygon &other) noexcept { QList<QPoint>::swap(other); } // prevent QList<QPoint><->QPolygon swaps
Q_GUI_EXPORT operator QVariant() const;
Q_GUI_EXPORT void translate(int dx, int dy);
void translate(const QPoint &offset);
[[nodiscard]] Q_GUI_EXPORT QPolygon translated(int dx, int dy) const;
[[nodiscard]] inline QPolygon translated(const QPoint &offset) const;
Q_GUI_EXPORT QRect boundingRect() const;
Q_GUI_EXPORT void point(int i, int *x, int *y) const;
QPoint point(int i) const;
Q_GUI_EXPORT void setPoint(int index, int x, int y);
inline void setPoint(int index, const QPoint &p);
Q_GUI_EXPORT void setPoints(int nPoints, const int *points);
Q_GUI_EXPORT void setPoints(int nPoints, int firstx, int firsty, ...);
Q_GUI_EXPORT void putPoints(int index, int nPoints, const int *points);
Q_GUI_EXPORT void putPoints(int index, int nPoints, int firstx, int firsty, ...);
Q_GUI_EXPORT void putPoints(int index, int nPoints, const QPolygon & from, int fromIndex=0);
Q_GUI_EXPORT bool containsPoint(const QPoint &pt, Qt::FillRule fillRule) const;
[[nodiscard]] Q_GUI_EXPORT QPolygon united(const QPolygon &r) const;
[[nodiscard]] Q_GUI_EXPORT QPolygon intersected(const QPolygon &r) const;
[[nodiscard]] Q_GUI_EXPORT QPolygon subtracted(const QPolygon &r) const;
Q_GUI_EXPORT bool intersects(const QPolygon &r) const;
[[nodiscard]] inline QPolygonF toPolygonF() const;
};
Q_DECLARE_SHARED(QPolygon)
#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)
{ setPoint(index, pt.x(), pt.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 QPolygonF : public QList<QPointF>
{
public:
using QList<QPointF>::QList;
QPolygonF() = default;
Q_IMPLICIT QPolygonF(const QList<QPointF> &v) : QList<QPointF>(v) { }
Q_IMPLICIT QPolygonF(QList<QPointF> &&v) noexcept : QList<QPointF>(std::move(v)) { }
Q_IMPLICIT Q_GUI_EXPORT QPolygonF(const QRectF &r);
Q_IMPLICIT Q_GUI_EXPORT QPolygonF(const QPolygon &a);
inline void swap(QPolygonF &other) { QList<QPointF>::swap(other); } // prevent QList<QPointF><->QPolygonF swaps
Q_GUI_EXPORT operator QVariant() const;
inline void translate(qreal dx, qreal dy);
void Q_GUI_EXPORT translate(const QPointF &offset);
inline QPolygonF translated(qreal dx, qreal dy) const;
[[nodiscard]] Q_GUI_EXPORT QPolygonF translated(const QPointF &offset) const;
QPolygon Q_GUI_EXPORT toPolygon() const;
bool isClosed() const { return !isEmpty() && first() == last(); }
QRectF Q_GUI_EXPORT boundingRect() const;
Q_GUI_EXPORT bool containsPoint(const QPointF &pt, Qt::FillRule fillRule) const;
[[nodiscard]] Q_GUI_EXPORT QPolygonF united(const QPolygonF &r) const;
[[nodiscard]] Q_GUI_EXPORT QPolygonF intersected(const QPolygonF &r) const;
[[nodiscard]] Q_GUI_EXPORT QPolygonF subtracted(const QPolygonF &r) const;
Q_GUI_EXPORT bool intersects(const QPolygonF &r) const;
};
Q_DECLARE_SHARED(QPolygonF)
QPolygonF QPolygon::toPolygonF() const { return QPolygonF(*this); }
#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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