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36
37#ifndef QDECLARATIVECIRCLEMAPITEM_H
38#define QDECLARATIVECIRCLEMAPITEM_H
39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49//
50
51#include <QtLocation/private/qlocationglobal_p.h>
52#include <QtLocation/private/qdeclarativegeomapitembase_p.h>
53#include <QtLocation/private/qdeclarativepolylinemapitem_p_p.h>
54#include <QSGGeometryNode>
55#include <QSGFlatColorMaterial>
56#include <QtPositioning/QGeoCircle>
57
58QT_BEGIN_NAMESPACE
59
60class QDeclarativeCircleMapItemPrivate;
61class Q_LOCATION_PRIVATE_EXPORT QDeclarativeCircleMapItem : public QDeclarativeGeoMapItemBase
62{
63 Q_OBJECT
64 Q_ENUMS(Backend)
65
66 Q_PROPERTY(QGeoCoordinate center READ center WRITE setCenter NOTIFY centerChanged)
67 Q_PROPERTY(qreal radius READ radius WRITE setRadius NOTIFY radiusChanged)
68 Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
69 Q_PROPERTY(QDeclarativeMapLineProperties *border READ border CONSTANT)
70 Q_PROPERTY(Backend backend READ backend WRITE setBackend NOTIFY backendChanged REVISION 15)
71
72public:
73 enum Backend {
74 Software = 0,
75 OpenGL = 1
76 };
77
78 explicit QDeclarativeCircleMapItem(QQuickItem *parent = nullptr);
79 ~QDeclarativeCircleMapItem() override;
80
81 virtual void setMap(QDeclarativeGeoMap *quickMap, QGeoMap *map) override;
82 virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *) override;
83
84 QGeoCoordinate center();
85 void setCenter(const QGeoCoordinate &center);
86
87 qreal radius() const;
88 void setRadius(qreal radius);
89
90 QColor color() const;
91 void setColor(const QColor &color);
92
93 QDeclarativeMapLineProperties *border();
94
95 bool contains(const QPointF &point) const override;
96 const QGeoShape &geoShape() const override;
97 void setGeoShape(const QGeoShape &shape) override;
98
99 Backend backend() const;
100 void setBackend(Backend b);
101
102Q_SIGNALS:
103 void centerChanged(const QGeoCoordinate &center);
104 void radiusChanged(qreal radius);
105 void colorChanged(const QColor &color);
106 void backendChanged();
107
108protected:
109 void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
110 void updatePolish() override;
111 void possiblySwitchBackend(const QGeoCoordinate &oldCenter, qreal oldRadius, const QGeoCoordinate &newCenter, qreal newRadius);
112
113protected Q_SLOTS:
114 void markSourceDirtyAndUpdate();
115 void onLinePropertiesChanged();
116 virtual void afterViewportChanged(const QGeoMapViewportChangeEvent &event) override;
117
118private:
119 void updateCirclePath();
120
121private:
122 QGeoCircle m_circle;
123 QDeclarativeMapLineProperties m_border;
124 QColor m_color;
125 bool m_dirtyMaterial;
126 bool m_updatingGeometry;
127 Backend m_backend = Software;
128
129 QScopedPointer<QDeclarativeCircleMapItemPrivate> m_d;
130
131 friend class QDeclarativeCircleMapItemPrivate;
132 friend class QDeclarativeCircleMapItemPrivateCPU;
133 friend class QDeclarativeCircleMapItemPrivateOpenGL;
134};
135
136//////////////////////////////////////////////////////////////////////
137
138QT_END_NAMESPACE
139
140QML_DECLARE_TYPE(QDeclarativeCircleMapItem)
141
142#endif /* QDECLARATIVECIRCLEMAPITEM_H */
143

source code of qtlocation/src/location/declarativemaps/qdeclarativecirclemapitem_p.h