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Added support for displaying waypoints

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This commit is contained in:
Martin Tůma 2016-03-15 01:20:24 +01:00
parent 61c82a0836
commit 56f15da550
2 changed files with 102 additions and 19 deletions
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114
src/trackview.cpp
View File

@ -32,8 +32,8 @@ TrackView::TrackView(QWidget *parent)
_mapScale = new ScaleItem();
_mapScale->setZValue(2.0);
_zoom = -1;
_scale = -1.0;
_zoom = ZOOM_MAX;
_scale = mapScale(_zoom);
_map = 0;
_maxLen = 0;
}
@ -64,8 +64,8 @@ void TrackView::addTrack(const QVector<QPointF> &track)
pi = new QGraphicsPathItem(path);
_trackPaths.append(pi);
_zoom = scale2zoom(trackScale());
_scale = mapScale();
_zoom = qMin(_zoom, scale2zoom(trackScale()));
_scale = mapScale(_zoom);
QBrush brush(_palette.color(), Qt::SolidPattern);
QPen pen(brush, TRACK_WIDTH * _scale);
pi->setPen(pen);
@ -78,9 +78,27 @@ void TrackView::addTrack(const QVector<QPointF> &track)
mi->setScale(_scale);
}
void TrackView::addWaypoints(const QList<Waypoint> &waypoints)
{
for (int i = 0; i < waypoints.count(); i++) {
WaypointItem *wi = new WaypointItem(
Waypoint(ll2mercator(QPointF(waypoints.at(i).coordinates().x(),
-waypoints.at(i).coordinates().y())), waypoints.at(i).description()));
wi->setPos(wi->entry().coordinates() * 1.0/_scale);
wi->setZValue(1);
_scene->addItem(wi);
_waypoints.append(wi);
}
_zoom = qMin(_zoom, scale2zoom(waypointScale()));
_scale = mapScale(_zoom);
}
void TrackView::loadGPX(const GPX &gpx)
{
qreal scale = _scale;
int zoom = _zoom;
for (int i = 0; i < gpx.trackCount(); i++) {
QVector<QPointF> track;
@ -88,12 +106,16 @@ void TrackView::loadGPX(const GPX &gpx)
addTrack(track);
}
if (_trackPaths.empty())
addWaypoints(gpx.waypoints());
if (_trackPaths.empty() && _waypoints.empty())
return;
if (_trackPaths.size() > 1 && scale != _scale)
if ((_trackPaths.size() > 1 && _zoom < zoom)
|| (_waypoints.size() && _zoom < zoom))
rescale(_scale);
QRectF br = trackBoundingRect();
QRectF br = trackBoundingRect() | waypointBoundingRect();
QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
_scene->setSceneRect(ba);
centerOn(ba.center());
@ -126,10 +148,35 @@ QRectF TrackView::trackBoundingRect() const
return QRectF(QPointF(left, top), QPointF(right, bottom));
}
QRectF TrackView::waypointBoundingRect() const
{
qreal bottom, top, left, right;
if (_waypoints.empty())
return QRectF();
bottom = _waypoints.at(0)->pos().y();
top = _waypoints.at(0)->pos().y();
left = _waypoints.at(0)->pos().x();
right = _waypoints.at(0)->pos().x();
for (int i = 1; i < _waypoints.size(); i++) {
bottom = qMax(bottom, _waypoints.at(i)->pos().y());
top = qMin(top, _waypoints.at(i)->pos().y());
right = qMax(right, _waypoints.at(i)->pos().x());
left = qMin(left, _waypoints.at(i)->pos().x());
}
return QRectF(QPointF(left, top), QPointF(right, bottom));
}
qreal TrackView::trackScale() const
{
qreal bottom, top, left, right;
if (_trackPaths.empty())
return mapScale(ZOOM_MAX);
bottom = _trackPaths.at(0)->path().boundingRect().bottom();
top = _trackPaths.at(0)->path().boundingRect().top();
left = _trackPaths.at(0)->path().boundingRect().left();
@ -149,9 +196,35 @@ qreal TrackView::trackScale() const
return qMax(sc.x(), sc.y());
}
qreal TrackView::mapScale() const
qreal TrackView::waypointScale() const
{
return ((360.0/(qreal)(1<<_zoom))/(qreal)TILE_SIZE);
qreal bottom, top, left, right;
if (_waypoints.count() < 2)
return mapScale(ZOOM_MAX);
bottom = _waypoints.at(0)->entry().coordinates().y();
top = _waypoints.at(0)->entry().coordinates().y();
left = _waypoints.at(0)->entry().coordinates().x();
right = _waypoints.at(0)->entry().coordinates().x();
for (int i = 1; i < _waypoints.size(); i++) {
bottom = qMax(bottom, _waypoints.at(i)->entry().coordinates().y());
top = qMin(top, _waypoints.at(i)->entry().coordinates().y());
right = qMax(right, _waypoints.at(i)->entry().coordinates().x());
left = qMin(left, _waypoints.at(i)->entry().coordinates().x());
}
QRectF br(QPointF(left, top), QPointF(right, bottom));
QPointF sc(br.width() / (viewport()->width() - MARGIN/2),
br.height() / (viewport()->height() - MARGIN/2));
return qMax(sc.x(), sc.y());
}
qreal TrackView::mapScale(int zoom) const
{
return ((360.0/(qreal)(1<<zoom))/(qreal)TILE_SIZE);
}
void TrackView::rescale(qreal scale)
@ -165,6 +238,10 @@ void TrackView::rescale(qreal scale)
_trackPaths.at(i)->setPen(pen);
}
for (int i = 0; i < _waypoints.size(); i++)
_waypoints.at(i)->setPos(_waypoints.at(i)->entry().coordinates()
* 1.0/scale);
QHash<Waypoint, WaypointItem*>::const_iterator it, jt;
for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
it.value()->setPos(it.value()->entry().coordinates() * 1.0/scale);
@ -237,7 +314,7 @@ void TrackView::redraw()
void TrackView::wheelEvent(QWheelEvent *event)
{
if (_tracks.isEmpty())
if (_tracks.isEmpty() && _waypoints.isEmpty())
return;
QPointF pos = mapToScene(event->pos());
@ -246,8 +323,8 @@ void TrackView::wheelEvent(QWheelEvent *event)
_zoom = (event->delta() > 0) ?
qMin(_zoom + 1, ZOOM_MAX) : qMax(_zoom - 1, ZOOM_MIN);
rescale(mapScale());
QRectF br = trackBoundingRect();
rescale(mapScale(_zoom));
QRectF br = trackBoundingRect() | waypointBoundingRect();
QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
_scene->setSceneRect(ba);
@ -326,13 +403,14 @@ void TrackView::clear()
_pois.clear();
_tracks.clear();
_trackPaths.clear();
_waypoints.clear();
_markers.clear();
_scene->clear();
_palette.reset();
_maxLen = 0;
_zoom = -1;
_scale = -1.0;
_zoom = ZOOM_MAX;
_scale = mapScale(_zoom);
_scene->setSceneRect(QRectF());
}
@ -349,7 +427,7 @@ void TrackView::movePositionMarker(qreal val)
void TrackView::drawBackground(QPainter *painter, const QRectF &rect)
{
if (_tracks.isEmpty() || !_map) {
if ((_tracks.isEmpty() && _waypoints.isEmpty())|| !_map) {
painter->fillRect(rect, Qt::white);
return;
}
@ -381,10 +459,10 @@ void TrackView::drawBackground(QPainter *painter, const QRectF &rect)
void TrackView::resizeEvent(QResizeEvent *e)
{
if (_tracks.isEmpty())
if (_tracks.isEmpty() && _waypoints.isEmpty())
return;
QRectF br = trackBoundingRect();
QRectF br = trackBoundingRect() | waypointBoundingRect();
QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
if (ba.width() < e->size().width()) {

7
src/trackview.h
View File

@ -45,9 +45,13 @@ private slots:
private:
void addTrack(const QVector<QPointF> &track);
void addWaypoints(const QList<Waypoint> &waypoints);
QRectF trackBoundingRect() const;
QRectF waypointBoundingRect() const;
qreal trackScale() const;
qreal mapScale() const;
qreal waypointScale() const;
qreal mapScale(int zoom) const;
void rescale(qreal scale);
void showMarkers(bool show);
@ -61,6 +65,7 @@ private:
QGraphicsScene *_scene;
QList<QVector<QPointF> > _tracks;
QList<QGraphicsPathItem*> _trackPaths;
QList<WaypointItem*> _waypoints;
QList<MarkerItem*> _markers;
QHash<Waypoint, WaypointItem*> _pois;
Map *_map;