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39
40#ifndef QPOLYGON_H
41#define QPOLYGON_H
42
43#include <QtGui/qtguiglobal.h>
44#include <QtCore/qvector.h>
45#include <QtCore/qpoint.h>
46#include <QtCore/qrect.h>
47
48QT_BEGIN_NAMESPACE
49
50
51class QMatrix;
52class QTransform;
53class QRect;
54class QVariant;
55
56class Q_GUI_EXPORT QPolygon : public QVector<QPoint>
57{
58public:
59 inline QPolygon() {}
60 inline ~QPolygon() {}
61 inline explicit QPolygon(int size);
62 inline /*implicit*/ QPolygon(const QVector<QPoint> &v) : QVector<QPoint>(v) {}
63 /*implicit*/ QPolygon(QVector<QPoint> &&v) noexcept : QVector<QPoint>(std::move(v)) {}
64 QPolygon(const QRect &r, bool closed=false);
65 QPolygon(int nPoints, const int *points);
66 QPolygon(const QPolygon &other) : QVector<QPoint>(other) {}
67 QPolygon(QPolygon &&other) noexcept : QVector<QPoint>(std::move(other)) {}
68 QPolygon &operator=(QPolygon &&other) noexcept { swap(other); return *this; }
69 QPolygon &operator=(const QPolygon &other) { QVector<QPoint>::operator=(v: other); return *this; }
70 void swap(QPolygon &other) noexcept { QVector<QPoint>::swap(other); } // prevent QVector<QPoint><->QPolygon swaps
71
72 operator QVariant() const;
73
74 void translate(int dx, int dy);
75 void translate(const QPoint &offset);
76
77 Q_REQUIRED_RESULT QPolygon translated(int dx, int dy) const;
78 Q_REQUIRED_RESULT inline QPolygon translated(const QPoint &offset) const;
79
80 QRect boundingRect() const;
81
82 void point(int i, int *x, int *y) const;
83 QPoint point(int i) const;
84 void setPoint(int index, int x, int y);
85 void setPoint(int index, const QPoint &p);
86 void setPoints(int nPoints, const int *points);
87 void setPoints(int nPoints, int firstx, int firsty, ...);
88 void putPoints(int index, int nPoints, const int *points);
89 void putPoints(int index, int nPoints, int firstx, int firsty, ...);
90 void putPoints(int index, int nPoints, const QPolygon & from, int fromIndex=0);
91
92 bool containsPoint(const QPoint &pt, Qt::FillRule fillRule) const;
93
94 Q_REQUIRED_RESULT QPolygon united(const QPolygon &r) const;
95 Q_REQUIRED_RESULT QPolygon intersected(const QPolygon &r) const;
96 Q_REQUIRED_RESULT QPolygon subtracted(const QPolygon &r) const;
97
98 bool intersects(const QPolygon &r) const;
99};
100Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QPolygon)
101
102inline QPolygon::QPolygon(int asize) : QVector<QPoint>(asize) {}
103
104#ifndef QT_NO_DEBUG_STREAM
105Q_GUI_EXPORT QDebug operator<<(QDebug, const QPolygon &);
106#endif
107
108/*****************************************************************************
109 QPolygon stream functions
110 *****************************************************************************/
111#ifndef QT_NO_DATASTREAM
112Q_GUI_EXPORT QDataStream &operator<<(QDataStream &stream, const QPolygon &polygon);
113Q_GUI_EXPORT QDataStream &operator>>(QDataStream &stream, QPolygon &polygon);
114#endif
115
116/*****************************************************************************
117 Misc. QPolygon functions
118 *****************************************************************************/
119
120inline void QPolygon::setPoint(int index, const QPoint &pt)
121{ (*this)[index] = pt; }
122
123inline void QPolygon::setPoint(int index, int x, int y)
124{ (*this)[index] = QPoint(x, y); }
125
126inline QPoint QPolygon::point(int index) const
127{ return at(i: index); }
128
129inline void QPolygon::translate(const QPoint &offset)
130{ translate(dx: offset.x(), dy: offset.y()); }
131
132inline QPolygon QPolygon::translated(const QPoint &offset) const
133{ return translated(dx: offset.x(), dy: offset.y()); }
134
135class QRectF;
136
137class Q_GUI_EXPORT QPolygonF : public QVector<QPointF>
138{
139public:
140 inline QPolygonF() {}
141 inline ~QPolygonF() {}
142 inline explicit QPolygonF(int size);
143 inline /*implicit*/ QPolygonF(const QVector<QPointF> &v) : QVector<QPointF>(v) {}
144 /* implicit */ QPolygonF(QVector<QPointF> &&v) noexcept : QVector<QPointF>(std::move(v)) {}
145 QPolygonF(const QRectF &r);
146 /*implicit*/ QPolygonF(const QPolygon &a);
147 inline QPolygonF(const QPolygonF &a) : QVector<QPointF>(a) {}
148 QPolygonF(QPolygonF &&other) noexcept : QVector<QPointF>(std::move(other)) {}
149 QPolygonF &operator=(QPolygonF &&other) noexcept { swap(other); return *this; }
150 QPolygonF &operator=(const QPolygonF &other) { QVector<QPointF>::operator=(v: other); return *this; }
151 inline void swap(QPolygonF &other) { QVector<QPointF>::swap(other); } // prevent QVector<QPointF><->QPolygonF swaps
152
153 operator QVariant() const;
154
155 inline void translate(qreal dx, qreal dy);
156 void translate(const QPointF &offset);
157
158 inline QPolygonF translated(qreal dx, qreal dy) const;
159 Q_REQUIRED_RESULT QPolygonF translated(const QPointF &offset) const;
160
161 QPolygon toPolygon() const;
162
163 bool isClosed() const { return !isEmpty() && first() == last(); }
164
165 QRectF boundingRect() const;
166
167 bool containsPoint(const QPointF &pt, Qt::FillRule fillRule) const;
168
169 Q_REQUIRED_RESULT QPolygonF united(const QPolygonF &r) const;
170 Q_REQUIRED_RESULT QPolygonF intersected(const QPolygonF &r) const;
171 Q_REQUIRED_RESULT QPolygonF subtracted(const QPolygonF &r) const;
172
173 bool intersects(const QPolygonF &r) const;
174};
175Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QPolygonF)
176
177inline QPolygonF::QPolygonF(int asize) : QVector<QPointF>(asize) {}
178
179#ifndef QT_NO_DEBUG_STREAM
180Q_GUI_EXPORT QDebug operator<<(QDebug, const QPolygonF &);
181#endif
182
183/*****************************************************************************
184 QPolygonF stream functions
185 *****************************************************************************/
186#ifndef QT_NO_DATASTREAM
187Q_GUI_EXPORT QDataStream &operator<<(QDataStream &stream, const QPolygonF &array);
188Q_GUI_EXPORT QDataStream &operator>>(QDataStream &stream, QPolygonF &array);
189#endif
190
191inline void QPolygonF::translate(qreal dx, qreal dy)
192{ translate(offset: QPointF(dx, dy)); }
193
194inline QPolygonF QPolygonF::translated(qreal dx, qreal dy) const
195{ return translated(offset: QPointF(dx, dy)); }
196
197QT_END_NAMESPACE
198
199#endif // QPOLYGON_H
200

source code of qtbase/src/gui/painting/qpolygon.h