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#ifndef MBGL_TEXT_COLLISION
#define MBGL_TEXT_COLLISION
#include <mbgl/text/types.hpp>
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wunused-variable"
#pragma GCC diagnostic ignored "-Wshadow"
#ifdef __clang__
#pragma GCC diagnostic ignored "-Wdeprecated-register"
#else
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
#endif
#include <boost/geometry.hpp>
#include <boost/geometry/geometries/point.hpp>
#include <boost/geometry/geometries/box.hpp>
#include <boost/geometry/index/rtree.hpp>
#pragma GCC diagnostic pop
namespace mbgl {
namespace bg = boost::geometry;
namespace bgm = bg::model;
namespace bgi = bg::index;
typedef bgm::point<float, 2, bg::cs::cartesian> Point;
typedef bgm::box<Point> Box;
typedef std::pair<Box, PlacementBox> PlacementValue;
typedef bgi::rtree<PlacementValue, bgi::linear<16,4>> Tree;
class Collision {
public:
Collision(float zoom, float tileExtent, float tileSize, float placementDepth = 1);
float getPlacementScale(const GlyphBoxes &glyphs, float minPlacementScale, bool avoidEdges);
PlacementRange getPlacementRange(const GlyphBoxes &glyphs, float placementScale,
bool horizontal);
void insert(const GlyphBoxes &glyphs, const CollisionAnchor &anchor, float placementScale,
const PlacementRange &placementRange, bool horizontal);
private:
Tree hTree;
Tree cTree;
PlacementValue leftEdge;
PlacementValue topEdge;
PlacementValue rightEdge;
PlacementValue bottomEdge;
public:
const float tilePixelRatio;
const float zoom;
const float maxPlacementScale;
};
}
#endif
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