#ifndef CYBERSIGHT_GEOMETRY_H
# define CYBERSIGHT_GEOMETRY_H

# include <Compound/common.h>

typedef struct {
  int x;
  int y;
} Point;

# define point(x, y)  (Point){x, y}

Point PointUtils_Arithmetic(Point *inst, Point *value);
bool  PointUtils_Duplicate(Point *inst, Point *store);
bool  PointUtils_Displacement(Point *inst, Point *value);
bool  PointUtils_Equal(Point *inst, Point *other);

typedef struct {
  Point a;
  Point b;
} Line;

# define line(pa, pb)  (Line){{pa.x, pa.y}, {pb.x, pb.y}}

bool LineUtils_FromPoints(Line *inst, Point *pa, Point *pb);
bool LineUtils_FromPointAndLength(Line *inst, Point *p, int len);
Line LineUtils_Arithmetic(Line *inst, Line *value);
bool LineUtils_Duplicate(Line *inst, Line *store);
bool LineUtils_Displacement(Line *inst, Line *value);
int  LineUtils_CalcLength(Line *inst);
bool LineUtils_Equal(Line *inst, Line *other);

typedef struct {
  Point a;
  Point b;
} Rect;

# define rect(pa, pb)  (Rect){{pa.x, pa.y}, {pb.x, pb.y}}

bool RectUtils_FromPoints(Rect *inst, Point *pa, Point *pb);
bool RectUtils_FromLines(Rect *inst, Line *la, Line *lb);
bool RectUtils_FromDiagonal(Rect *inst, Line *diag);
bool RectUtils_Equal(Rect *inst, Rect *other);

#endif  /* CYBERSIGHT_GEOMETRY_H */