dorne/cursetree/dims.h

#ifndef CURSETREE_DIMS_H
#define CURSETREE_DIMS_H

#define __BOUND_UNLIMITED (-1)
#define __BOUND_ABS_MIN (1)
#define __BOUND_ABS_MAX (INT_MAX)
#define __BOUND_REL_MIN ((float)0)
#define __BOUND_REL_MAX ((float)1)

enum ct_axis {
  AXIS_X,
  AXIS_Y,
};

enum ct_boundtype {
  BOUND_NONE,
  BOUND_ABSOLUTE,
  BOUND_RELATIVE,
};

/* Stores a node's starting x,y coordinates, width, & height.
 * NOTE: Intended for interfunction communication.
 */
struct ct_dims {
  int x, y, width, height;
};

struct ct_bounds {
  enum ct_boundtype type;
  int wmin, wmax, hmin, hmax;
};

struct ct_dims *new_dims(const int x, const int y, const int width, const int height);
struct ct_dims *dup_dims(const struct ct_dims *const dims);

struct ct_bounds *bounds_none(void);
struct ct_bounds *bounds_absolute(int wmin, int wmax, int hmin, int hmax);
struct ct_bounds *bounds_relative(int wmin, int wmax, int hmin, int hmax);
struct ct_bounds *dup_bounds(const struct ct_bounds *const bounds);

#endif /* CURSETREE_DIMS_H */