mirror of
https://github.com/tumic0/GPXSee.git
synced 2024-11-27 21:24:47 +01:00
POI loading optimization
This commit is contained in:
parent
434df521fb
commit
f02ff1fa01
26
src/gui.cpp
26
src/gui.cpp
@ -250,7 +250,8 @@ void GUI::createActions()
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tr("Show POIs"), this);
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_showPOIAction->setCheckable(true);
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_showPOIAction->setShortcut(SHOW_POI_SHORTCUT);
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connect(_showPOIAction, SIGNAL(triggered(bool)), this, SLOT(showPOI(bool)));
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connect(_showPOIAction, SIGNAL(triggered(bool)), _pathView,
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SLOT(showPOI(bool)));
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addAction(_showPOIAction);
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createPOIFilesActions();
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@ -463,6 +464,8 @@ void GUI::createPathView()
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#ifdef Q_OS_WIN32
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_pathView->setFrameShape(QFrame::NoFrame);
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#endif // Q_OS_WIN32
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_pathView->setPOI(&_poi);
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}
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void GUI::createGraphTabs()
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@ -622,8 +625,6 @@ bool GUI::loadFile(const QString &fileName)
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_tabs.at(i)->loadGPX(gpx, paths);
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updateGraphTabs();
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_pathView->setHidden(false);
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if (_showPOIAction->isChecked())
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_pathView->loadPOI(_poi);
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for (int i = 0; i < gpx.tracks().count(); i++) {
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_trackDistance += gpx.tracks().at(i)->distance();
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@ -679,8 +680,9 @@ bool GUI::openPOIFile(const QString &fileName)
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return false;
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} else {
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_pathView->setPOI(&_poi);
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_pathView->showPOI(true);
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_showPOIAction->setChecked(true);
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_pathView->loadPOI(_poi);
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QAction *action = createPOIFileAction(_poi.files().indexOf(fileName));
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action->setChecked(true);
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_poiFilesMenu->addAction(action);
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@ -697,7 +699,7 @@ void GUI::closePOIFiles()
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delete _poiFilesActions[i];
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_poiFilesActions.clear();
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_pathView->clearPOI();
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_pathView->setPOI(0);
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_poi.clear();
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}
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@ -853,14 +855,6 @@ void GUI::closeAll()
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updateTrackView();
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}
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void GUI::showPOI(bool checked)
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{
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if (checked)
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_pathView->loadPOI(_poi);
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else
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_pathView->clearPOI();
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}
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void GUI::showMap(bool checked)
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{
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if (checked)
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@ -1007,9 +1001,7 @@ void GUI::poiFileChecked(int index)
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_poi.enableFile(_poi.files().at(index),
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_poiFilesActions.at(index)->isChecked());
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_pathView->clearPOI();
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if (_showPOIAction->isChecked())
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_pathView->loadPOI(_poi);
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_pathView->setPOI(&_poi);
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}
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void GUI::sliderPositionChanged(qreal pos)
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@ -1311,6 +1303,8 @@ void GUI::readSettings()
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_showPOILabelsAction->setChecked(true);
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if (settings.value(SHOW_POI_SETTING, false).toBool() == true)
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_showPOIAction->setChecked(true);
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else
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_pathView->showPOI(false);
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for (int i = 0; i < _poiFilesActions.count(); i++)
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_poiFilesActions.at(i)->setChecked(true);
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int size = settings.beginReadArray(DISABLED_POI_FILE_SETTINGS_PREFIX);
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@ -45,7 +45,6 @@ private slots:
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void reloadFile();
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void openPOIFile();
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void closePOIFiles();
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void showPOI(bool checked);
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void showMap(bool checked);
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void showGraphs(bool checked);
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void showToolbars(bool checked);
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124
src/pathview.cpp
124
src/pathview.cpp
@ -34,6 +34,7 @@ PathView::PathView(QWidget *parent)
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_zoom = ZOOM_MAX;
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_scale = mapScale(_zoom);
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_map = 0;
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_poi = 0;
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_units = Metric;
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@ -41,6 +42,7 @@ PathView::PathView(QWidget *parent)
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_showRoutes = true;
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_showWaypoints = true;
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_showWaypointLabels = true;
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_showPOI = true;
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_showPOILabels = true;
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_overlapPOIs = true;
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_showRouteWaypoints = true;
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@ -70,6 +72,9 @@ PathItem *PathView::addTrack(const Track &track)
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ti->setVisible(_showTracks);
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_scene->addItem(ti);
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if (_poi)
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addPOI(_poi->points(ti));
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return ti;
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}
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@ -91,6 +96,9 @@ PathItem *PathView::addRoute(const Route &route)
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ri->showWaypointLabels(_showWaypointLabels);
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_scene->addItem(ri);
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if (_poi)
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addPOI(_poi->points(ri));
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return ri;
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}
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@ -109,6 +117,9 @@ void PathView::addWaypoints(const QList<Waypoint> &waypoints)
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_waypoints.append(wi);
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}
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if (_poi)
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addPOI(_poi->points(waypoints));
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_zoom = qMin(_zoom, scale2zoom(waypointScale()));
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_scale = mapScale(_zoom);
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}
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@ -131,6 +142,8 @@ QList<PathItem *> PathView::loadGPX(const GPX &gpx)
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if ((_tracks.size() + _routes.size() > 1 && _zoom < zoom)
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|| (_waypoints.size() && _zoom < zoom))
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rescale(_scale);
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else
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updatePOIVisibility();
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QRectF br = trackBoundingRect() | routeBoundingRect()
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| waypointBoundingRect();
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@ -258,21 +271,31 @@ qreal PathView::mapScale(int zoom) const
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return ((360.0/(qreal)(1<<zoom))/(qreal)TILE_SIZE);
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}
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void PathView::checkPOIOverlap()
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void PathView::updatePOIVisibility()
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{
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QHash<Waypoint, WaypointItem*>::const_iterator it, jt;
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
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for (jt = _pois.constBegin(); jt != _pois.constEnd(); jt++) {
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if (it != jt && it.value()->isVisible() && jt.value()->isVisible()
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&& it.value()->collidesWithItem(jt.value()))
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jt.value()->hide();
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if (!_showPOI)
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return;
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
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it.value()->show();
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if (!_overlapPOIs) {
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
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for (jt = _pois.constBegin(); jt != _pois.constEnd(); jt++) {
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if (it.value()->isVisible() && jt.value()->isVisible()
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&& it != jt && it.value()->collidesWithItem(jt.value()))
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jt.value()->hide();
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}
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}
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}
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}
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void PathView::rescale(qreal scale)
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{
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_scale = scale;
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for (int i = 0; i < _tracks.size(); i++)
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_tracks.at(i)->setScale(1.0/scale);
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@ -283,15 +306,44 @@ void PathView::rescale(qreal scale)
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_waypoints.at(i)->setScale(1.0/scale);
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QHash<Waypoint, WaypointItem*>::const_iterator it;
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
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it.value()->setScale(1.0/scale);
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it.value()->show();
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updatePOIVisibility();
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}
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void PathView::setPOI(POI *poi)
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{
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_poi = poi;
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clearPOI();
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loadPOI();
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}
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void PathView::loadPOI()
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{
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if (!_poi)
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return;
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for (int i = 0; i < _tracks.size(); i++)
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addPOI(_poi->points(_tracks.at(i)));
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for (int i = 0; i < _routes.size(); i++)
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addPOI(_poi->points(_routes.at(i)));
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addPOI(_poi->points(_waypoints));
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updatePOIVisibility();
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}
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void PathView::clearPOI()
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{
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QHash<Waypoint, WaypointItem*>::const_iterator it;
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
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_scene->removeItem(it.value());
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delete it.value();
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}
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if (!_overlapPOIs)
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checkPOIOverlap();
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_scale = scale;
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_pois.clear();
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}
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void PathView::addPOI(const QVector<Waypoint> &waypoints)
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@ -306,27 +358,13 @@ void PathView::addPOI(const QVector<Waypoint> &waypoints)
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pi->setScale(1.0/_scale);
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pi->setZValue(1);
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pi->showLabel(_showPOILabels);
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pi->setVisible(_showPOI);
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_scene->addItem(pi);
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_pois.insert(w, pi);
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}
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}
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void PathView::loadPOI(const POI &poi)
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{
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if (!_tracks.size() && !_routes.size() && !_waypoints.size())
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return;
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for (int i = 0; i < _tracks.size(); i++)
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addPOI(poi.points(_tracks.at(i)->path()));
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for (int i = 0; i < _routes.size(); i++)
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addPOI(poi.points(_routes.at(i)->path()));
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addPOI(poi.points(_waypoints));
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if (!_overlapPOIs)
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checkPOIOverlap();
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}
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void PathView::setMap(Map *map)
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{
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_map = map;
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@ -454,18 +492,6 @@ void PathView::plot(QPainter *painter, const QRectF &target)
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setUpdatesEnabled(true);
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}
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void PathView::clearPOI()
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{
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QHash<Waypoint, WaypointItem*>::const_iterator it;
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
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_scene->removeItem(it.value());
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delete it.value();
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}
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_pois.clear();
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}
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void PathView::clear()
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{
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if (_mapScale->scene() == _scene)
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@ -527,6 +553,17 @@ void PathView::showRouteWaypoints(bool show)
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_routes.at(i)->showWaypoints(show);
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}
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void PathView::showPOI(bool show)
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{
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_showPOI = show;
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QHash<Waypoint, WaypointItem*>::const_iterator it;
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
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it.value()->setVisible(show);
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updatePOIVisibility();
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}
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void PathView::showPOILabels(bool show)
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{
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_showPOILabels = show;
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@ -535,19 +572,14 @@ void PathView::showPOILabels(bool show)
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
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it.value()->showLabel(show);
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setPOIOverlap(_overlapPOIs);
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updatePOIVisibility();
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}
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void PathView::setPOIOverlap(bool overlap)
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{
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_overlapPOIs = overlap;
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if (_overlapPOIs) {
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QHash<Waypoint, WaypointItem*>::const_iterator it;
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for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
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it.value()->show();
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} else
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checkPOIOverlap();
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updatePOIVisibility();
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}
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void PathView::drawBackground(QPainter *painter, const QRectF &rect)
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@ -30,10 +30,7 @@ public:
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QList<PathItem*> loadGPX(const GPX &gpx);
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void loadPOI(const POI &poi);
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void clearPOI();
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void clear();
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void setPOI(POI *poi);
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void setMap(Map *map);
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void setUnits(enum Units units);
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@ -43,9 +40,12 @@ public:
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int routeCount() const {return _routes.count();}
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int waypointCount() const {return _waypoints.count();}
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void clear();
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public slots:
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void redraw();
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void showPOI(bool show);
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void setPOIOverlap(bool overlap);
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void showWaypointLabels(bool show);
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void showPOILabels(bool show);
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@ -59,6 +59,8 @@ private:
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PathItem *addRoute(const Route &route);
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void addWaypoints(const QList<Waypoint> &waypoints);
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void addPOI(const QVector<Waypoint> &waypoints);
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void loadPOI();
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void clearPOI();
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QRectF trackBoundingRect() const;
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QRectF routeBoundingRect() const;
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@ -70,7 +72,7 @@ private:
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void rescale(qreal scale);
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void rescale();
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void zoom(int z, const QPointF &pos);
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void checkPOIOverlap();
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void updatePOIVisibility();
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void wheelEvent(QWheelEvent *event);
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void keyPressEvent(QKeyEvent *event);
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@ -79,13 +81,14 @@ private:
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void paintEvent(QPaintEvent *e);
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QGraphicsScene *_scene;
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ScaleItem *_mapScale;
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QList<TrackItem*> _tracks;
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QList<RouteItem*> _routes;
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QList<WaypointItem*> _waypoints;
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QHash<Waypoint, WaypointItem*> _pois;
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Map *_map;
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ScaleItem *_mapScale;
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POI *_poi;
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Palette _palette;
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@ -98,6 +101,7 @@ private:
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bool _showRoutes;
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bool _showWaypoints;
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bool _showWaypointLabels;
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bool _showPOI;
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bool _showPOILabels;
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bool _overlapPOIs;
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bool _showRouteWaypoints;
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33
src/poi.cpp
33
src/poi.cpp
@ -1,7 +1,7 @@
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#include <QFile>
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#include <QSet>
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#include <QList>
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#include <QPainterPath>
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#include "pathitem.h"
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#include "waypointitem.h"
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#include "ll.h"
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#include "gpx.h"
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@ -145,14 +145,15 @@ static bool cb(size_t data, void* context)
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return true;
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}
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QVector<Waypoint> POI::points(const QPainterPath &path, qreal radius) const
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QVector<Waypoint> POI::points(const PathItem *path, qreal radius) const
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{
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QVector<Waypoint> ret;
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QSet<int> set;
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qreal min[2], max[2];
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const QPainterPath &pp = path->path();
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for (int i = 0; i < path.elementCount(); i++) {
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QPointF p = mercator2ll(path.elementAt(i));
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for (int i = 0; i < pp.elementCount(); i++) {
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QPointF p = mercator2ll(pp.elementAt(i));
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min[0] = p.x() - radius;
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min[1] = -p.y() - radius;
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max[0] = p.x() + radius;
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@ -194,6 +195,30 @@ QVector<Waypoint> POI::points(const QList<WaypointItem*> &list, qreal radius)
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return ret;
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}
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QVector<Waypoint> POI::points(const QList<Waypoint> &list, qreal radius) const
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{
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QVector<Waypoint> ret;
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QSet<int> set;
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qreal min[2], max[2];
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for (int i = 0; i < list.count(); i++) {
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const QPointF &p = list.at(i).coordinates();
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min[0] = p.x() - radius;
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min[1] = p.y() - radius;
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max[0] = p.x() + radius;
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max[1] = p.y() + radius;
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_tree.Search(min, max, cb, &set);
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}
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QSet<int>::const_iterator i = set.constBegin();
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while (i != set.constEnd()) {
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ret.append(_data.at(*i));
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++i;
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}
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return ret;
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}
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void POI::enableFile(const QString &fileName, bool enable)
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{
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int i;
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@ -8,7 +8,7 @@
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#include "waypoint.h"
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#include "rtree.h"
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class QPainterPath;
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class PathItem;
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class WaypointItem;
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#define POI_RADIUS 0.01
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@ -21,10 +21,12 @@ public:
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const QString &errorString() const {return _error;}
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int errorLine() const {return _errorLine;}
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QVector<Waypoint> points(const QPainterPath &path,
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QVector<Waypoint> points(const PathItem *path,
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qreal radius = POI_RADIUS) const;
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QVector<Waypoint> points(const QList<WaypointItem*> &list,
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qreal radius = POI_RADIUS) const;
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QVector<Waypoint> points(const QList<Waypoint> &list,
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qreal radius = POI_RADIUS) const;
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const QStringList &files() const {return _files;}
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void enableFile(const QString &fileName, bool enable);
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