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GPXSee/src/map/imgmap.h
Martin Tůma 97e12d809f Map API refactoring
Including several map providers refactoring/rewrite
especial KML, JNX and TrekBuddy atlases.
2023-05-04 09:38:35 +02:00

109 lines
2.3 KiB
C++

#ifndef IMGMAP_H
#define IMGMAP_H
#include <QtConcurrent>
#include "map.h"
#include "projection.h"
#include "transform.h"
#include "IMG/mapdata.h"
#include "IMG/rastertile.h"
class IMGMapJob : public QObject
{
Q_OBJECT
public:
IMGMapJob(const QList<IMG::RasterTile> &tiles)
: _tiles(tiles) {}
void run()
{
connect(&_watcher, &QFutureWatcher<void>::finished, this,
&IMGMapJob::handleFinished);
_future = QtConcurrent::map(_tiles, &IMG::RasterTile::render);
_watcher.setFuture(_future);
}
void cancel(bool wait)
{
_future.cancel();
if (wait)
_future.waitForFinished();
}
const QList<IMG::RasterTile> &tiles() const {return _tiles;}
signals:
void finished(IMGMapJob *job);
private slots:
void handleFinished() {emit finished(this);}
private:
QFutureWatcher<void> _watcher;
QFuture<void> _future;
QList<IMG::RasterTile> _tiles;
};
class IMGMap : public Map
{
Q_OBJECT
public:
IMGMap(const QString &fileName, bool GMAP, QObject *parent = 0);
~IMGMap() {qDeleteAll(_data);}
QString name() const {return _data.first()->name();}
QRectF bounds() {return _bounds;}
RectC llBounds(const Projection &) {return _data.first()->bounds();}
int zoom() const {return _zoom;}
void setZoom(int zoom);
int zoomFit(const QSize &, const RectC &);
int zoomIn();
int zoomOut();
QPointF ll2xy(const Coordinates &c)
{return _transform.proj2img(_projection.ll2xy(c));}
Coordinates xy2ll(const QPointF &p)
{return _projection.xy2ll(_transform.img2proj(p));}
void draw(QPainter *painter, const QRectF &rect, Flags flags);
void load(const Projection &in, const Projection &out, qreal devicelRatio,
bool hidpi);
void unload();
bool isValid() const {return _valid;}
QString errorString() const {return _errorString;}
static Map* createIMG(const QString &path, bool *isDir);
static Map* createGMAP(const QString &path, bool *isDir);
private slots:
void jobFinished(IMGMapJob *job);
private:
Transform transform(int zoom) const;
void updateTransform();
bool isRunning(const QString &key) const;
void runJob(IMGMapJob *job);
void removeJob(IMGMapJob *job);
void cancelJobs(bool wait);
QList<IMG::MapData *> _data;
int _zoom;
Projection _projection;
Transform _transform;
QRectF _bounds;
RectC _dataBounds;
qreal _tileRatio;
QList<IMGMapJob*> _jobs;
bool _valid;
QString _errorString;
};
#endif // IMGMAP_H