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#ifndef MBGL_UTIL_CLIP_IDS
#define MBGL_UTIL_CLIP_IDS
#include <mbgl/map/tile_id.hpp>
#include <bitset>
#include <string>
#include <list>
#include <set>
#include <vector>
#include <forward_list>
#include <map>
namespace mbgl {
class Tile;
struct ClipID {
inline ClipID() {}
inline ClipID(const std::string &mask_, const std::string &reference_) : mask(mask_), reference(reference_) {}
std::bitset<8> mask;
std::bitset<8> reference;
inline bool operator==(const ClipID &other) const {
return mask == other.mask && reference == other.reference;
}
inline ClipID& operator|=(const ClipID &other) {
mask |= other.mask;
reference |= other.reference;
return *this;
}
};
class ClipIDGenerator {
private:
struct Leaf {
Leaf(TileID, ClipID&);
void add(const TileID &p);
bool operator==(const Leaf &other) const;
const TileID id;
std::forward_list<TileID> children;
ClipID& clip;
};
uint8_t bit_offset = 0;
std::vector<Leaf> pool;
public:
void update(std::forward_list<Tile *> tiles);
std::map<TileID, ClipID> getStencils() const;
};
} // namespace mbgl
#endif
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