void MapWidget::showLocation(Location* location)
{
if (location==NULL) {
std::cout << "MapWidget::showLocation(): no location passed!" << std::endl;
return;
}
std::cout << "MapWidget::showLocation(\"" << location->getName().toLocal8Bit().constData() << "\")" << std::endl;
osmscout::ObjectFileRef reference=location->getReferences().front();
DBThread* dbThread=DBThread::GetInstance();
if (reference.GetType()==osmscout::refNode) {
osmscout::NodeRef node;
if (dbThread->GetNodeByOffset(reference.GetFileOffset(),node)) {
center=node->GetCoords();
this->magnification=osmscout::Magnification::magVeryClose;
TriggerMapRendering();
}
}
else if (reference.GetType()==osmscout::refArea) {
osmscout::AreaRef area;
if (dbThread->GetAreaByOffset(reference.GetFileOffset(),area)) {
if (area->GetCenter(center)) {
this->magnification=osmscout::Magnification::magVeryClose;
TriggerMapRendering();
}
}
}
else if (reference.GetType()==osmscout::refWay) {
osmscout::WayRef way;
if (dbThread->GetWayByOffset(reference.GetFileOffset(),way)) {
if (way->GetCenter(center)) {
this->magnification=osmscout::Magnification::magVeryClose;
TriggerMapRendering();
}
}
}
else {
assert(false);
}
}
MapWidget::MapWidget(QQuickItem* parent)
: QQuickPaintedItem(parent),
center(0.0,0.0),
angle(0.0),
magnification(64),
requestNewMap(true)
{
setOpaquePainting(true);
setAcceptedMouseButtons(Qt::LeftButton);
DBThread *dbThread=DBThread::GetInstance();
//setFocusPolicy(Qt::StrongFocus);
connect(dbThread,SIGNAL(InitialisationFinished(DatabaseLoadedResponse)),
this,SLOT(initialisationFinished(DatabaseLoadedResponse)));
connect(this,SIGNAL(TriggerMapRenderingSignal()),
dbThread,SLOT(TriggerMapRendering()));
connect(dbThread,SIGNAL(HandleMapRenderingResult()),
this,SLOT(redraw()));
connect(dbThread,SIGNAL(Redraw()),
this,SLOT(redraw()));
}
void MapWidget::zoom(double zoomFactor, double dx, double dy)
{
DBThread *dbThread=DBThread::GetInstance();
quickZooming = false;
quickMoveX = 0;
quickMoveY = 0;
quickZoomFactor = 1;
if(!dbThread->IsOpened()) return;
osmscout::MercatorProjection projection;
dbThread->GetProjection(projection);
if(dx<0) projection.MoveLeft(-1*dx/zoomFactor);
else projection.MoveRight(dx/zoomFactor);
if(dy<0) projection.MoveUp(-1*dy/zoomFactor);
else projection.MoveDown(dy/zoomFactor);
center=projection.GetCenter();
osmscout::Magnification maxMag;
maxMag.SetLevel(20);
if (magnification.GetMagnification()*zoomFactor>maxMag.GetMagnification()) {
magnification.SetMagnification(maxMag.GetMagnification());
}
else {
if (magnification.GetMagnification()*zoomFactor<1) {
magnification.SetMagnification(1);
}
else {
magnification.SetMagnification(magnification.GetMagnification()*zoomFactor);
}
}
TriggerMapRendering();
}
void MapWidget::showCoordinates(double lat, double lon)
{
center=osmscout::GeoCoord(lat,lon);
this->magnification=osmscout::Magnification::magVeryClose;
TriggerMapRendering();
}
void MapWidget::paint(QPainter *painter)
{
RenderMapRequest request;
QRectF boundingBox=contentsBoundingRect();
request.lat=center.GetLat();
request.lon=center.GetLon();
request.angle=angle;
request.magnification=magnification;
request.width=boundingBox.width();
request.height=boundingBox.height();
if(quickZooming) //just zoom the already rendered Qimage and repaint
{
DBThread *dbThread=DBThread::GetInstance();
dbThread->RenderMapQuick(*painter, quickMoveX, quickMoveY, quickZoomFactor, request);
}
else
{
DBThread *dbThread=DBThread::GetInstance();
if (!dbThread->RenderMap(*painter,request) &&
requestNewMap) {
TriggerMapRendering();
}
requestNewMap=true;
}
}
void MapWidget::showCoordinates(double lat, double lon)
{
center=osmscout::GeoCoord(lat,lon);
this->magnification=osmscout::Magnification::magVeryClose;
DBThread* dbThread = DBThread::GetInstance();
if(!dbThread->IsRendering())
TriggerMapRendering();
}
void MapWidget::rotateRight()
{
angle=round(angle/DELTA_ANGLE)*DELTA_ANGLE+DELTA_ANGLE;
if (angle>=2*M_PI) {
angle-=2*M_PI;
}
TriggerMapRendering();
}
void MapWidget::rotateLeft()
{
angle=round(angle/DELTA_ANGLE)*DELTA_ANGLE-DELTA_ANGLE;
if (angle<0) {
angle+=2*M_PI;
}
TriggerMapRendering();
}
void MapWidget::zoomOut(double zoomFactor)
{
if (magnification.GetMagnification()/zoomFactor<1) {
magnification.SetMagnification(1);
}
else {
magnification.SetMagnification(magnification.GetMagnification()/zoomFactor);
}
TriggerMapRendering();
}
void MapWidget::down()
{
DBThread *dbThread=DBThread::GetInstance();
osmscout::MercatorProjection projection;
dbThread->GetProjection(projection);
projection.MoveDown(height()/3);
center=projection.GetCenter();
TriggerMapRendering();
}
void MapWidget::zoomIn(double zoomFactor)
{
if (magnification.GetMagnification()*zoomFactor>800000) {
magnification.SetMagnification(800000);
}
else {
magnification.SetMagnification(magnification.GetMagnification()*zoomFactor);
}
TriggerMapRendering();
emit zoomLevelChanged();
emit zoomLevelNameChanged();
}
void MapWidget::zoomIn(double zoomFactor)
{
osmscout::Magnification maxMag;
maxMag.SetLevel(20);
if (magnification.GetMagnification()*zoomFactor>maxMag.GetMagnification()) {
magnification.SetMagnification(maxMag.GetMagnification());
}
else {
magnification.SetMagnification(magnification.GetMagnification()*zoomFactor);
}
TriggerMapRendering();
}
void MapWidget::down()
{
osmscout::MercatorProjection projection;
osmscout::GeoBox boundingBox;
projection.Set(center.GetLon(),
center.GetLat(),
magnification,
width(),height());
projection.GetDimensions(boundingBox);
center.Set(center.GetLat()-boundingBox.GetHeight()*0.3,
center.GetLon());
TriggerMapRendering();
}
void MapWidget::right()
{
quickMoveX = 0;
quickMoveY = 0;
quickZooming = false;
quickZoomFactor = 1;
DBThread *dbThread=DBThread::GetInstance();
osmscout::MercatorProjection projection;
dbThread->GetProjection(projection);
projection.MoveRight(width()/3);
center=projection.GetCenter();
TriggerMapRendering();
}
void MapWidget::paint(QPainter *painter)
{
RenderMapRequest request;
DBThread *dbThread=DBThread::GetInstance();
QRectF boundingBox=contentsBoundingRect();
request.lat=center.GetLat();
request.lon=center.GetLon();
request.magnification=magnification;
request.width=boundingBox.width();
request.height=boundingBox.height();
if (!dbThread->RenderMap(*painter,request) &&
requestNewMap) {
TriggerMapRendering();
}
requestNewMap=true;
}
void MapWidget::initialisationFinished(const DatabaseLoadedResponse& response)
{
size_t zoom=1;
double dlat=360;
double dlon=180;
center=response.boundingBox.GetCenter();
while (dlat>response.boundingBox.GetHeight() &&
dlon>response.boundingBox.GetWidth()) {
zoom=zoom*2;
dlat=dlat/2;
dlon=dlon/2;
}
magnification=zoom;
TriggerMapRendering();
}
void MapWidget::move(double x, double y)
{
quickMoveX = 0;
quickMoveY = 0;
quickZoomFactor = 1;
quickZooming = false;
DBThread *dbThread=DBThread::GetInstance();
if(!dbThread->IsOpened()) return;
osmscout::MercatorProjection projection;
dbThread->GetProjection(projection);
if(x<0) projection.MoveLeft(-1*x);
else projection.MoveRight(x);
if(y<0) projection.MoveUp(-1*y);
else projection.MoveDown(y);
center=projection.GetCenter();
TriggerMapRendering();
}
void MapWidget::initialisationFinished(const DatabaseLoadedResponse& response)
{
size_t zoom=1;
double dlat=360;
double dlon=180;
std::cout << "Initial bounding box " << response.boundingBox.GetDisplayText() << std::endl;
center=response.boundingBox.GetCenter();
while (dlat>response.boundingBox.GetHeight() &&
dlon>response.boundingBox.GetWidth()) {
zoom=zoom*2;
dlat=dlat/2;
dlon=dlon/2;
}
magnification=zoom;
std::cout << "Magnification: " << magnification.GetMagnification() << "x" << std::endl;
TriggerMapRendering();
}
void MapWidget::reloadTmpStyle() {
DBThread* dbThread=DBThread::GetInstance();
dbThread->ReloadStyle(TMP_SUFFIX);
TriggerMapRendering();
}
