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36 | |
37 | #ifndef QGEOMAPITEMGEOMETRY_H |
38 | #define QGEOMAPITEMGEOMETRY_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 | |
53 | #include <QPainterPath> |
54 | #include <QPointF> |
55 | #include <QRectF> |
56 | #include <QVector> |
57 | #include <QGeoCoordinate> |
58 | #include <QVector2D> |
59 | #include <QList> |
60 | |
61 | QT_BEGIN_NAMESPACE |
62 | |
63 | class QSGGeometry; |
64 | class QGeoMap; |
65 | |
66 | class Q_LOCATION_PRIVATE_EXPORT QGeoMapItemGeometry |
67 | { |
68 | public: |
69 | QGeoMapItemGeometry(); |
70 | virtual ~QGeoMapItemGeometry(); |
71 | |
72 | inline bool isSourceDirty() const { return sourceDirty_; } |
73 | inline bool isScreenDirty() const { return screenDirty_; } |
74 | inline void markSourceDirty() { sourceDirty_ = true; screenDirty_ = true; } |
75 | inline void markScreenDirty() { screenDirty_ = true; clipToViewport_ = true; } |
76 | inline void markFullScreenDirty() { screenDirty_ = true; clipToViewport_ = false;} |
77 | inline void markClean() { screenDirty_ = (sourceDirty_ = false); clipToViewport_ = true;} |
78 | inline void clearScreen() { screenDirty_ = false; } |
79 | |
80 | inline void setPreserveGeometry(bool value, const QGeoCoordinate &geoLeftBound = QGeoCoordinate()) |
81 | { |
82 | preserveGeometry_ = value; |
83 | if (preserveGeometry_) |
84 | geoLeftBound_ = geoLeftBound; |
85 | } |
86 | inline QGeoCoordinate geoLeftBound() { return geoLeftBound_; } |
87 | |
88 | inline QRectF sourceBoundingBox() const { return sourceBounds_; } |
89 | inline QRectF screenBoundingBox() const { return screenBounds_; } |
90 | inline void clearBounds() { sourceBounds_ = screenBounds_ = QRectF(); firstPointOffset_ = QPointF(); } |
91 | |
92 | inline QPointF firstPointOffset() const { return firstPointOffset_; } |
93 | void translate(const QPointF &offset); |
94 | |
95 | inline const QGeoCoordinate &origin() const { return srcOrigin_; } |
96 | |
97 | QPainterPath screenOutline() const { |
98 | return screenOutline_; |
99 | } |
100 | |
101 | virtual bool contains(const QPointF &screenPoint) const { |
102 | return screenOutline_.contains(pt: screenPoint); |
103 | } |
104 | |
105 | inline QVector2D vertex(quint32 index) const { |
106 | return QVector2D(screenVertices_[index]); |
107 | } |
108 | |
109 | inline QVector<QPointF> vertices() const { return screenVertices_; } |
110 | inline QVector<quint32> indices() const { return screenIndices_; } |
111 | |
112 | inline bool isIndexed() const { return (!screenIndices_.isEmpty()); } |
113 | |
114 | /* Size is # of triangles */ |
115 | inline quint32 size() const |
116 | { |
117 | if (isIndexed()) |
118 | return screenIndices_.size() / 3; |
119 | else |
120 | return screenVertices_.size() / 3; |
121 | } |
122 | |
123 | inline void clear() { firstPointOffset_ = QPointF(0,0); |
124 | screenVertices_.clear(); screenIndices_.clear(); } |
125 | |
126 | void allocateAndFill(QSGGeometry *geom) const; |
127 | |
128 | double geoDistanceToScreenWidth(const QGeoMap &map, |
129 | const QGeoCoordinate &fromCoord, |
130 | const QGeoCoordinate &toCoord); |
131 | |
132 | static QRectF translateToCommonOrigin(const QList<QGeoMapItemGeometry *> &geoms); |
133 | |
134 | mutable bool m_dataChanged = false; |
135 | |
136 | private: |
137 | QGeoMapItemGeometry(const QGeoMapItemGeometry &other); // Or else it may crash on copy |
138 | QGeoMapItemGeometry &operator= (const QGeoMapItemGeometry & other); // Or else it may crash on copy |
139 | |
140 | protected: |
141 | bool sourceDirty_; |
142 | bool screenDirty_; |
143 | bool clipToViewport_; |
144 | bool preserveGeometry_; |
145 | QGeoCoordinate geoLeftBound_; |
146 | |
147 | QPointF firstPointOffset_; |
148 | |
149 | QPainterPath screenOutline_; |
150 | |
151 | QRectF sourceBounds_; |
152 | QRectF screenBounds_; |
153 | |
154 | QGeoCoordinate srcOrigin_; |
155 | |
156 | QVector<QPointF> screenVertices_; |
157 | QVector<quint32> screenIndices_; |
158 | }; |
159 | |
160 | QT_END_NAMESPACE |
161 | |
162 | #endif // QGEOMAPITEMGEOMETRY_H |
163 |