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#ifndef _COORDINATES_GEOM_H
#define _COORDINATES_GEOM_H
#include "coordinates.h"
#include "geom.h"
void insertIntermediateTiles(Linestring const &points, uint baseZoom, std::unordered_set<TileCoordinates> &tileSet);
void insertIntermediateTiles(Ring const &points, uint baseZoom, std::unordered_set<TileCoordinates> &tileSet);
// ------------------------------------------------------
// Helper class for dealing with spherical Mercator tiles
class TileBbox {
public:
double minLon, maxLon, minLat, maxLat, minLatp, maxLatp;
double xmargin, ymargin, xscale, yscale;
TileCoordinates index;
uint zoom;
bool hires;
bool endZoom;
Box clippingBox;
TileBbox(TileCoordinates i, uint z, bool h, bool e);
std::pair<int,int> scaleLatpLon(double latp, double lon) const;
std::vector<Point> scaleRing(Ring const &src) const;
MultiPolygon scaleGeometry(MultiPolygon const &src) const;
std::pair<double, double> floorLatpLon(double latp, double lon) const;
Box getTileBox() const;
Box getExtendBox() const;
};
#endif
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