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#ifndef MBGL_TEXT_ROTATION_RANGE
#define MBGL_TEXT_ROTATION_RANGE
#include <mbgl/util/math.hpp>
#include <mbgl/text/types.hpp>
#include <vector>
#include <cassert>
namespace mbgl {
/*
* Combine an array of collision ranges to form a continuous
* range that includes 0. Collisions within the ignoreRange are ignored
*/
CollisionRange mergeCollisions(const CollisionList &collisions,
PlacementRange ignoreRange);
/*
* Calculate collision ranges for two rotating boxes.e
*/
CollisionList rotatingRotatingCollisions(const CollisionRect &a,
const CollisionRect &b,
const CollisionAnchor &anchorToAnchor);
/*
* Return the intersection points of a circle and a line segment;
*/
void circleEdgeCollisions(std::back_insert_iterator<CollisionAngles> angles,
const CollisionPoint &corner, float radius,
const CollisionPoint &p1, const CollisionPoint &p2);
/*
* Calculate the ranges for which the corner,
* rotatated around the anchor, is within the box;
*/
void cornerBoxCollisions(std::back_insert_iterator<CollisionList> collisions,
const CollisionPoint &corner,
const CollisionCorners &boxCorners, bool flip = false);
/*
* Calculate collision ranges for a rotating box and a fixed box;
*/
CollisionList rotatingFixedCollisions(const CollisionRect &rotating,
const CollisionRect &fixed);
/*
* Calculate the range a box conflicts with a second box
*/
CollisionRange rotationRange(const GlyphBox &inserting,
const PlacementBox &blocker, float scale);
}
#endif
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