qpolygon.h
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上传日期:2022-06-22
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** 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 General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
- **
- ** Qt for Windows(R) Licensees
- ** As a special exception, Nokia, as the sole copyright holder for Qt
- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
- ** right for the Qt/Eclipse Integration to link to functionality
- ** provided by Qt Designer and its related libraries.
- **
- ** If you are unsure which license is appropriate for your use, please
- ** contact the sales department at qt-sales@nokia.com.
- **
- ****************************************************************************/
- #ifndef QPOLYGON_H
- #define QPOLYGON_H
- #include <QtCore/qvector.h>
- #include <QtCore/qpoint.h>
- #include <QtCore/qrect.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- class QMatrix;
- class QTransform;
- class QRect;
- class QVariant;
- class Q_GUI_EXPORT QPolygon : public QVector<QPoint>
- {
- public:
- inline QPolygon() {}
- inline ~QPolygon() {}
- inline QPolygon(int size);
- inline QPolygon(const QPolygon &a) : QVector<QPoint>(a) {}
- inline QPolygon(const QVector<QPoint> &v) : QVector<QPoint>(v) {}
- QPolygon(const QRect &r, bool closed=false);
- QPolygon(int nPoints, const int *points);
- operator QVariant() const;
- void translate(int dx, int dy);
- void translate(const QPoint &offset);
- 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;
- QPolygon intersected(const QPolygon &r) const;
- QPolygon subtracted(const QPolygon &r) const;
- };
- 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()); }
- class QRectF;
- class Q_GUI_EXPORT QPolygonF : public QVector<QPointF>
- {
- public:
- inline QPolygonF() {}
- inline ~QPolygonF() {}
- inline QPolygonF(int size);
- inline QPolygonF(const QPolygonF &a) : QVector<QPointF>(a) {}
- inline QPolygonF(const QVector<QPointF> &v) : QVector<QPointF>(v) {}
- QPolygonF(const QRectF &r);
- QPolygonF(const QPolygon &a);
- inline void translate(qreal dx, qreal dy);
- void translate(const QPointF &offset);
- 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)); }
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QPOLYGON_H