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30 lines
809 B
C++
30 lines
809 B
C++
#ifndef OSM_H
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#define OSM_H
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#include <QPointF>
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#include <common/coordinates.h>
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#include <common/rectc.h>
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#include <common/range.h>
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namespace OSM
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{
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static const RectC BOUNDS(Coordinates(-180, 85.0511),
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Coordinates(180, -85.0511));
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static const Range ZOOMS(0, 19);
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QPointF ll2m(const Coordinates &c);
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Coordinates m2ll(const QPointF &p);
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QPoint mercator2tile(const QPointF &m, int zoom);
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QPointF tile2mercator(const QPoint &p, int zoom);
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qreal zoom2scale(int zoom, int tileSize);
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int scale2zoom(qreal scale, int tileSize);
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qreal resolution(const QPointF &p, int zoom, int tileSize);
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inline Coordinates tile2ll(const QPoint &p, int zoom)
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{return m2ll(tile2mercator(p, zoom));}
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inline QPoint ll2tile(const Coordinates &c, int zoom)
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{return mercator2tile(ll2m(c), zoom);}
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}
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#endif // OSM_H
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