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#pragma once
#include "drape_frontend/tile_key.hpp"
#include "std/function.hpp"
namespace df
{
using TTilesCollection = set<TileKey>;
struct CoverageResult
{
int m_minTileX = 0;
int m_maxTileX = 0;
int m_minTileY = 0;
int m_maxTileY = 0;
};
/// This function determines the tiles coverage in specified zoom level.
/// Each tile can be processed in processTile callback.
CoverageResult CalcTilesCoverage(m2::RectD const & rect, int targetZoom,
function<void(int, int)> const & processTile);
/// This function checks if tileKey1 and tileKey2 are neighbours
bool IsNeighbours(TileKey const & tileKey1, TileKey const & tileKey2);
/// This function performs clipping by maximum zoom label available for map data.
int ClipTileZoomByMaxDataZoom(int zoom);
/// This function returns tile key by point on specific zoom level.
TileKey GetTileKeyByPoint(m2::PointD const & pt, int zoom);
} // namespace df
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