src/data/exifparser.h

   1 #ifndef EXIFPARSER_H
   2 #define EXIFPARSER_H
   3
   4 #include <QDateTime>
   5 #include "parser.h"
   6
   7 class TIFFFile;
   8
   9 class EXIFParser : public Parser
  10 {
  11 public:
  12         bool parse(QFile *file, QList<TrackData> &tracks, QList<RouteData> &routes,
  13           QList<Area> &polygons, QVector<Waypoint> &waypoints);
  14         QString errorString() const {return _errorString;}
  15         int errorLine() const {return 0;}
  16
  17 private:
  18         struct IFDEntry {
  19                 IFDEntry() : type(0), count(0), offset(0) {}
  20
  21                 quint16 type;
  22                 quint32 count;
  23                 quint32 offset;
  24         };
  25
  26         bool parseTIFF(QFile *file, QVector<Waypoint> &waypoints);
  27         bool readIFD(TIFFFile &file, quint32 offset, const QSet<quint16> &tags,
  28           QMap<quint16, IFDEntry> &entries) const;
  29         bool readEntry(TIFFFile &file, const QSet<quint16> &tags,
  30           QMap<quint16, IFDEntry> &entries) const;
  31
  32         double coordinate(TIFFFile &file, const IFDEntry &ll) const;
  33         Coordinates coordinates(TIFFFile &file, const IFDEntry &lon,
  34           const IFDEntry &lonRef, const IFDEntry &lat, const IFDEntry &latRef) const;
  35         double altitude(TIFFFile &file, const IFDEntry &alt,
  36           const IFDEntry &altRef) const;
  37         QTime time(TIFFFile &file, const IFDEntry &ts) const;
  38         QString text(TIFFFile &file, const IFDEntry &e) const;
  39
  40         QString _errorString;
  41 };
  42
  43 #endif // EXIFPARSER_H