src/map/map.h

   1 #ifndef MAP_H
   2 #define MAP_H
   3
   4 #include <QObject>
   5 #include <QString>
   6 #include <QRectF>
   7 #include <QFlags>
   8 #include "common/rectc.h"
   9 #include "common/util.h"
  10
  11
  12 class QPainter;
  13 class Projection;
  14
  15 class Map : public QObject
  16 {
  17         Q_OBJECT
  18
  19 public:
  20         enum Flag {
  21                 NoFlags = 0,
  22                 Block = 1,
  23                 OpenGL = 2,
  24                 HillShading = 4
  25         };
  26         Q_DECLARE_FLAGS(Flags, Flag)
  27
  28         Map(const QString &path, QObject *parent = 0)
  29           : QObject(parent), _path(path) {}
  30         virtual ~Map() {}
  31
  32         const QString &path() const {return _path;}
  33         virtual QString name() const {return Util::file2name(path());}
  34
  35         virtual bool isValid() const {return true;}
  36         virtual bool isReady() const {return true;}
  37         virtual QString errorString() const {return QString();}
  38
  39         virtual void load(const Projection &, const Projection &, qreal, bool) {}
  40         virtual void unload() {}
  41
  42         /* llBounds() is mandatory for maps that do not provide bounds() until
  43            load() is called! */
  44         virtual RectC llBounds();
  45         virtual QRectF bounds() = 0;
  46         virtual qreal resolution(const QRectF &rect);
  47
  48         virtual int zoom() const {return 0;}
  49         virtual void setZoom(int) {}
  50         virtual int zoomFit(const QSize &, const RectC &) {return 0;}
  51         virtual int zoomIn() {return 0;}
  52         virtual int zoomOut() {return 0;}
  53
  54         virtual QPointF ll2xy(const Coordinates &c) = 0;
  55         virtual Coordinates xy2ll(const QPointF &p) = 0;
  56
  57         virtual void draw(QPainter *painter, const QRectF &rect, Flags flags) = 0;
  58
  59         virtual void clearCache() {}
  60         virtual bool usesDEM() const {return false;}
  61
  62 signals:
  63         void tilesLoaded();
  64         void mapLoaded();
  65
  66 private:
  67         QString _path;
  68 };
  69
  70 Q_DECLARE_METATYPE(Map*)
  71 Q_DECLARE_OPERATORS_FOR_FLAGS(Map::Flags)
  72
  73 #endif // MAP_H