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36 | |
37 | #include "qgeomapitemgeometry_p.h" |
38 | #include "qdeclarativegeomap_p.h" |
39 | #include "qlocationutils_p.h" |
40 | #include <QtQuick/QSGGeometry> |
41 | #include "qdoublevector2d_p.h" |
42 | #include <QtLocation/private/qgeomap_p.h> |
43 | |
44 | QT_BEGIN_NAMESPACE |
45 | |
46 | QGeoMapItemGeometry::QGeoMapItemGeometry() |
47 | : sourceDirty_(true), screenDirty_(true), clipToViewport_(true), preserveGeometry_(false) |
48 | { |
49 | } |
50 | |
51 | QGeoMapItemGeometry::~QGeoMapItemGeometry() |
52 | { |
53 | |
54 | } |
55 | |
56 | /*! |
57 | \internal |
58 | */ |
59 | void QGeoMapItemGeometry::translate(const QPointF &offset) |
60 | { |
61 | for (int i = 0; i < screenVertices_.size(); ++i) |
62 | screenVertices_[i] += offset; |
63 | |
64 | firstPointOffset_ += offset; |
65 | screenOutline_.translate(offset); |
66 | screenBounds_.translate(p: offset); |
67 | } |
68 | |
69 | /*! |
70 | \internal |
71 | */ |
72 | void QGeoMapItemGeometry::allocateAndFill(QSGGeometry *geom) const |
73 | { |
74 | const QVector<QPointF> &vx = screenVertices_; |
75 | const QVector<quint32> &ix = screenIndices_; |
76 | |
77 | if (isIndexed()) { |
78 | geom->allocate(vertexCount: vx.size(), indexCount: ix.size()); |
79 | if (geom->indexType() == QSGGeometry::UnsignedShortType) { |
80 | quint16 *its = geom->indexDataAsUShort(); |
81 | for (int i = 0; i < ix.size(); ++i) |
82 | its[i] = ix[i]; |
83 | } else if (geom->indexType() == QSGGeometry::UnsignedIntType) { |
84 | quint32 *its = geom->indexDataAsUInt(); |
85 | for (int i = 0; i < ix.size(); ++i) |
86 | its[i] = ix[i]; |
87 | } |
88 | } else { |
89 | geom->allocate(vertexCount: vx.size()); |
90 | } |
91 | |
92 | QSGGeometry::Point2D *pts = geom->vertexDataAsPoint2D(); |
93 | for (int i = 0; i < vx.size(); ++i) |
94 | pts[i].set(nx: vx[i].x(), ny: vx[i].y()); |
95 | } |
96 | |
97 | /*! |
98 | \internal |
99 | */ |
100 | QRectF QGeoMapItemGeometry::translateToCommonOrigin(const QList<QGeoMapItemGeometry *> &geoms) |
101 | { |
102 | QGeoCoordinate origin = geoms.at(i: 0)->origin(); |
103 | |
104 | QPainterPath brects; |
105 | |
106 | // first get max offset |
107 | QPointF maxOffset = geoms.at(i: 0)->firstPointOffset(); |
108 | foreach (QGeoMapItemGeometry *g, geoms) { |
109 | QPointF o = g->firstPointOffset(); |
110 | maxOffset.setX(qMax(a: o.x(), b: maxOffset.x())); |
111 | maxOffset.setY(qMax(a: o.y(), b: maxOffset.y())); |
112 | } |
113 | |
114 | // then translate everything |
115 | foreach (QGeoMapItemGeometry *g, geoms) { |
116 | g->translate(offset: maxOffset - g->firstPointOffset()); |
117 | brects.addRect(rect: g->sourceBoundingBox()); |
118 | } |
119 | |
120 | return brects.boundingRect(); |
121 | } |
122 | |
123 | /*! |
124 | \internal |
125 | */ |
126 | double QGeoMapItemGeometry::geoDistanceToScreenWidth(const QGeoMap &map, |
127 | const QGeoCoordinate &fromCoord, |
128 | const QGeoCoordinate &toCoord) |
129 | { |
130 | // Do not wrap around half the globe |
131 | Q_ASSERT(!qFuzzyCompare(fromCoord.longitude(), toCoord.longitude())); |
132 | |
133 | QGeoCoordinate mapMid = map.geoProjection().itemPositionToCoordinate(pos: QDoubleVector2D(map.viewportWidth()/2.0, 0)); |
134 | double halfGeoDist = toCoord.longitude() - fromCoord.longitude(); |
135 | if (toCoord.longitude() < fromCoord.longitude()) |
136 | halfGeoDist += 360; |
137 | halfGeoDist /= 2.0; |
138 | QGeoCoordinate geoDelta = QGeoCoordinate(0, |
139 | QLocationUtils::wrapLong(lng: mapMid.longitude() + halfGeoDist)); |
140 | QDoubleVector2D halfScreenDist = map.geoProjection().coordinateToItemPosition(coordinate: geoDelta, clipToViewport: false) |
141 | - QDoubleVector2D(map.viewportWidth()/2.0, 0); |
142 | return halfScreenDist.x() * 2.0; |
143 | } |
144 | |
145 | QT_END_NAMESPACE |
146 | |