return QRect(topLeft, m_tilesGridSize);
}
-void MapEngine::centerAndZoomTo(QRect rect)
+void MapEngine::centerAndZoomTo(QRect rect, bool useMargins)
{
- const int MARGIN_HORIZONTAL = 50;
- const int MARGIN_VERTICAL = 5;
+ qDebug() << __PRETTY_FUNCTION__;
+
+ int marginHorizontal = 0;
+ int marginVertical = 0;
+
+ if (useMargins) {
+ marginHorizontal = 50;
+ marginVertical = 5;
+ }
// calculate the usable size of the view
- int viewUsableHeight = m_viewSize.height() - 2 * MARGIN_VERTICAL;
- int viewUsableWidth = m_viewSize.width() - 2 * MARGIN_HORIZONTAL;
+ int viewUsableHeight = m_viewSize.height() - 2 * marginHorizontal;
+ int viewUsableWidth = m_viewSize.width() - 2 * marginVertical;
// calculate how many levels must be zoomed out from the closest zoom level to get the rect
// fit inside the usable view area
int shift = 0;
while ((rect.height() > (viewUsableHeight * (1 << shift)))
- || (rect.width() > (viewUsableWidth * (1 << shift))))
+ || (rect.width() > (viewUsableWidth * (1 << shift)))) {
+
shift++;
+ }
+
scrollToPosition(SceneCoordinate(double(rect.center().x()), double(rect.center().y())));
scrollToPosition(SceneCoordinate(coordinate));
}
+void MapEngine::clearRoute()
+{
+ qDebug() << __PRETTY_FUNCTION__;
+
+ if (m_mapRouteItem) {
+ m_mapScene->removeItem(m_mapRouteItem);
+ delete m_mapRouteItem;
+ m_mapRouteItem = 0;
+ }
+}
+
QPoint MapEngine::convertSceneCoordinateToTileNumber(int zoomLevel, SceneCoordinate coordinate)
{
qDebug() << __PRETTY_FUNCTION__;
const QPoint ONE_PIXEL = QPoint(1, 1);
- QGraphicsView *view = m_mapScene->views().at(0);
+ QGraphicsView *view = m_mapScene->views().first();
QPointF sceneTopLeft = view->mapToScene(0, 0);
QPoint viewBottomRight = QPoint(view->size().width(), view->size().height()) - ONE_PIXEL;
QPointF sceneBottomRight = view->mapToScene(viewBottomRight);
{
qDebug() << __PRETTY_FUNCTION__;
+ m_gpsPosition = position;
+
// update GPS location item (but only if accuracy is a valid number)
if (!isnan(accuracy)) {
qreal resolution = MapScene::horizontalResolutionAtLatitude(position.latitude());
m_gpsLocationItem->updateItem(SceneCoordinate(position).toPointF(), accuracy, resolution);
}
-m_mapScene->spanItems(currentViewSceneRect());
+ m_mapScene->spanItems(currentViewSceneRect());
// do automatic centering (if enabled)
if (m_autoCenteringEnabled) {
qDebug() << __PRETTY_FUNCTION__;
m_autoCenteringEnabled = enabled;
+
+ if (!m_autoCenteringEnabled && m_gpsLocationItem->isVisible())
+ updateDirectionIndicator();
}
void MapEngine::setCenterPosition(SceneCoordinate coordinate)
{
qDebug() << __PRETTY_FUNCTION__;
- m_route = route;
-
- qDebug() << __PRETTY_FUNCTION__ << "from:" << m_route.startPointName();
- qDebug() << __PRETTY_FUNCTION__ << "to:" << m_route.endPointName();
- qDebug() << __PRETTY_FUNCTION__ << "distance:" << m_route.totalDistance();
- qDebug() << __PRETTY_FUNCTION__ << "estimated time:" << m_route.totalTime();
+ clearRoute();
- foreach (GeoCoordinate point, m_route.geometryPoints())
- qDebug() << __PRETTY_FUNCTION__ << "geometry point:" << point;
-
- foreach (RouteSegment segment, m_route.segments()) {
- qDebug() << __PRETTY_FUNCTION__ << "segment:" << segment.instruction();
- }
-
- // delete old route track (if exists)
- if (m_mapRouteItem) {
- m_mapScene->removeItem(m_mapRouteItem);
- delete m_mapRouteItem;
- }
-
- // create new route track
- m_mapRouteItem = new MapRouteItem(&m_route);
+ m_mapRouteItem = new MapRouteItem(&route);
m_mapScene->addItem(m_mapRouteItem);
centerAndZoomTo(m_mapRouteItem->boundingRect().toRect());
m_tilesGridSize.setWidth(gridWidth);
}
+void MapEngine::showMapArea(const GeoCoordinate &swBound, const GeoCoordinate &neBound)
+{
+ qDebug() << __PRETTY_FUNCTION__;
+
+ QRect area;
+ area.setTopRight(SceneCoordinate(neBound).toPointF().toPoint());
+ area.setBottomLeft(SceneCoordinate(swBound).toPointF().toPoint());
+
+ centerAndZoomTo(area, false);
+}
+
void MapEngine::updateDirectionIndicator()
{
qDebug() << __PRETTY_FUNCTION__;
- /// @todo implement distance calculation
qreal distance = m_gpsPosition.distanceTo(m_sceneCoordinate);
qreal direction = m_sceneCoordinate.azimuthTo(SceneCoordinate(m_gpsPosition));