src/map.h

   1 #ifndef MAP_H
   2 #define MAP_H
   3
   4 #include <QObject>
   5 #include <QString>
   6 #include <QRectF>
   7
   8 class QPainter;
   9 class Coordinates;
  10
  11 class Map : public QObject
  12 {
  13         Q_OBJECT
  14
  15 public:
  16         Map(QObject *parent = 0) : QObject(parent) {}
  17
  18         virtual const QString &name() const = 0;
  19
  20         virtual QRectF bounds() const = 0;
  21         virtual qreal resolution(const QPointF &p) const = 0;
  22
  23         virtual qreal zoom() const = 0;
  24         virtual qreal zoomFit(const QSize &size, const QRectF &br) = 0;
  25         virtual qreal zoomIn() = 0;
  26         virtual qreal zoomOut() = 0;
  27
  28         virtual QPointF ll2xy(const Coordinates &c) = 0;
  29         virtual Coordinates xy2ll(const QPointF &p) = 0;
  30
  31         virtual void draw(QPainter *painter, const QRectF &rect) = 0;
  32
  33         virtual void setBlockingMode(bool block) {Q_UNUSED(block);}
  34         virtual void clearCache() {}
  35         virtual void load() {}
  36         virtual void unload() {}
  37
  38 signals:
  39         void loaded();
  40 };
  41
  42 #endif // MAP_H