src/map/ozimap.h

   1 #ifndef OZIMAP_H
   2 #define OZIMAP_H
   3
   4 #include "transform.h"
   5 #include "projection.h"
   6 #include "map.h"
   7
   8 class Tar;
   9 class OZF;
  10 class Image;
  11
  12 class OziMap : public Map
  13 {
  14         Q_OBJECT
  15
  16 public:
  17         OziMap(const QString &fileName, QObject *parent = 0);
  18         OziMap(const QString &fileName, Tar &tar, QObject *parent = 0);
  19         ~OziMap();
  20
  21         QString name() const {return _name;}
  22
  23         QRectF bounds();
  24
  25         int zoom() const {return _zoom;}
  26         void setZoom(int zoom) {_zoom = zoom;}
  27         int zoomFit(const QSize &size, const RectC &rect);
  28         int zoomIn();
  29         int zoomOut();
  30
  31         QPointF ll2xy(const Coordinates &c);
  32         Coordinates xy2ll(const QPointF &p);
  33
  34         void draw(QPainter *painter, const QRectF &rect, Flags flags);
  35
  36         void setDevicePixelRatio(qreal ratio);
  37         void load();
  38         void unload();
  39
  40         bool isValid() const {return _valid;}
  41         QString errorString() const {return _errorString;}
  42
  43         PointD ll2pp(const Coordinates &c) const
  44           {return _projection.ll2xy(c);}
  45         PointD xy2pp(const QPointF &p) const
  46           {return _transform.img2proj(p * _ratio);}
  47         QPointF pp2xy(const PointD &p) const
  48           {return _transform.proj2img(p) / _ratio;}
  49
  50 private:
  51         struct ImageInfo {
  52                 QSize size;
  53                 QString path;
  54
  55                 bool isValid() const {return size.isValid() && !path.isEmpty();}
  56         };
  57
  58         bool setTileInfo(const QStringList &tiles, const QString &path = QString());
  59         bool setImageInfo(const QString &path);
  60
  61         void drawTiled(QPainter *painter, const QRectF &rect) const;
  62         void drawOZF(QPainter *painter, const QRectF &rect) const;
  63         void drawImage(QPainter *painter, const QRectF &rect, Flags flags) const;
  64
  65         void rescale(int zoom);
  66
  67         QString _name;
  68         Projection _projection;
  69         Transform _transform;
  70         Image *_img;
  71         Tar *_tar;
  72         OZF *_ozf;
  73         ImageInfo _map, _tile;
  74         int _zoom;
  75         QPointF _scale;
  76         qreal _ratio;
  77
  78         bool _valid;
  79         QString _errorString;
  80 };
  81
  82 #endif // OZIMAP_H