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GPXSee/src/map/conversion.h

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#ifndef CONVERSION_H
#define CONVERSION_H
#include <cmath>
#include <QDebug>
#include <common/kv.h>
#include "coordinatesystem.h"
#include "linearunits.h"
class Conversion {
public:
class Setup {
public:
Setup() : _latitudeOrigin(NAN), _longitudeOrigin(NAN), _scale(NAN),
_falseEasting(NAN), _falseNorthing(NAN), _standardParallel1(NAN),
_standardParallel2(NAN) {}
Setup(double latitudeOrigin, double longitudeOrigin, double scale,
double falseEasting, double falseNorthing, double standardParallel1,
double standardParallel2) : _latitudeOrigin(latitudeOrigin),
_longitudeOrigin(longitudeOrigin), _scale(scale),
_falseEasting(falseEasting), _falseNorthing(falseNorthing),
_standardParallel1(standardParallel1),
_standardParallel2(standardParallel2) {}
double latitudeOrigin() const {return _latitudeOrigin;}
double longitudeOrigin() const {return _longitudeOrigin;}
double scale() const {return _scale;}
double falseEasting() const {return _falseEasting;}
double falseNorthing() const {return _falseNorthing;}
double standardParallel1() const {return _standardParallel1;}
double standardParallel2() const {return _standardParallel2;}
void setLatitudeOrigin(double val) {_latitudeOrigin = val;}
void setLongitudeOrigin(double val) {_longitudeOrigin = val;}
void setScale(double val) {_scale = val;}
void setFalseEasting(double val) {_falseEasting = val;}
void setFalseNorthing(double val) {_falseNorthing = val;}
void setStandardParallel1(double val) {_standardParallel1 = val;}
void setStandardParallel2(double val) {_standardParallel2 = val;}
bool isNull() const
{
return std::isnan(_latitudeOrigin)
&& std::isnan(_longitudeOrigin) && std::isnan(_scale)
&& std::isnan(_falseEasting) && std::isnan(_falseNorthing)
&& std::isnan(_standardParallel1)
&& std::isnan(_standardParallel2);
}
private:
double _latitudeOrigin;
double _longitudeOrigin;
double _scale;
double _falseEasting;
double _falseNorthing;
double _standardParallel1;
double _standardParallel2;
};
class Method {
public:
Method() : _id(0) {}
Method(int id);
int id() const {return _id;}
bool isNull() const {return (_id == 0);}
bool isValid() const {return !isNull();}
private:
int _id;
};
Conversion() {}
Conversion(const Method &method, const Setup &setup,
const LinearUnits &units, const CoordinateSystem &cs = CoordinateSystem())
: _method(method), _setup(setup), _units(units), _cs(cs) {}
const Method &method() const {return _method;}
const Setup &setup() const {return _setup;}
const LinearUnits &units() const {return _units;}
const CoordinateSystem &cs() const {return _cs;}
bool isNull() const {
return (_units.isNull() && _method.isNull() && _setup.isNull()
&& _cs.isNull());
}
bool isValid() const {
/* We do not check the CoordinateSystem here as it is not always defined
and except of WMTS/WMS it is not needed. The projection setup is
always valid as we do not have any checks for it. */
return (_units.isValid() && _method.isValid());
}
static bool loadList(const QString &path);
static Conversion conversion(int id);
static QList<KV<int, QString> > list();
private:
class Entry {
public:
Entry(const QString &name, const Method &method, const Setup &setup,
const LinearUnits &units, const CoordinateSystem &cs = CoordinateSystem())
: _name(name), _method(method), _setup(setup), _units(units), _cs(cs) {}
const QString &name() const {return _name;}
const Method &method() const {return _method;}
const Setup &setup() const {return _setup;}
const LinearUnits &units() const {return _units;}
const CoordinateSystem &cs() const {return _cs;}
private:
QString _name;
Method _method;
Setup _setup;
LinearUnits _units;
CoordinateSystem _cs;
};
static QMap<int, Entry> defaults();
Method _method;
Setup _setup;
LinearUnits _units;
CoordinateSystem _cs;
static QMap<int, Entry> _conversions;
};
#ifndef QT_NO_DEBUG
QDebug operator<<(QDebug dbg, const Conversion::Setup &setup);
QDebug operator<<(QDebug dbg, const Conversion::Method &method);
QDebug operator<<(QDebug dbg, const Conversion &conversion);
#endif // QT_NO_DEBUG
#endif // CONVERSION_H