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GPXSee/src/offlinemap.h

92 lines
2.0 KiB
C++

#ifndef OFFLINEMAP_H
#define OFFLINEMAP_H
#include <QTransform>
#include "map.h"
#include "tar.h"
#include "coordinates.h"
class QIODevice;
class QImage;
class Projection;
class OfflineMap : public Map
{
Q_OBJECT
public:
OfflineMap(const QString &path, QObject *parent = 0);
OfflineMap(Tar &tar, const QString &path, QObject *parent = 0);
~OfflineMap();
const QString &name() const {return _name;}
QRectF bounds() const;
qreal resolution(const QPointF &p) const;
qreal zoom() const {return 1.0;}
qreal zoomFit(const QSize &size, const QRectF &br);
qreal zoomIn();
qreal zoomOut();
QPointF ll2xy(const Coordinates &c) const;
Coordinates xy2ll(const QPointF &p) const;
void draw(QPainter *painter, const QRectF &rect);
void load();
void unload();
bool isValid() {return _valid;}
QPointF ll2pp(const Coordinates &c) const;
QPointF xy2pp(const QPointF &p) const;
QPointF pp2xy(const QPointF &p) const;
private:
typedef struct {
QPoint xy;
Coordinates ll;
QPointF pp;
} ReferencePoint;
typedef struct {
double centralParallel;
double centralMeridian;
double scale;
double falseEasting;
double falseNorthing;
double standardParallel1;
double standardParallel2;
int zone;
} ProjectionSetup;
int parseMapFile(QIODevice &device, QList<ReferencePoint> &points,
QString &projection, ProjectionSetup &setup);
bool mapLoaded(int res);
bool totalSizeSet();
bool createProjection(const QString &projection,
const ProjectionSetup &setup, QList<ReferencePoint> &points);
bool computeTransformation(const QList<ReferencePoint> &points);
bool computeResolution(QList<ReferencePoint> &points);
bool getTileInfo(const QStringList &tiles, const QString &path = QString());
bool getImageInfo(const QString &path);
QString _name;
QSize _size;
Projection *_projection;
QTransform _transform;
qreal _resolution;
Tar _tar;
QString _tarPath;
QImage *_img;
QString _imgPath;
QSize _tileSize;
QString _tileName;
bool _valid;
};
#endif // OFFLINEMAP_H