#include "Display.h"

static inline int MAX(int a,int b) {
  return (a < b) ? b : a;
}

static inline int MIN(int a,int b) {
  return (a < b) ? a : b;
}

Rect Rect::enclose(const Rect &r) const {
  return Rect(MIN(r.r1,r1),MIN(r.c1,c1),MAX(r.r2,r2),MAX(r.c2,c2));
}

Rect Rect::intersect(const Rect &r) const {
  return Rect(MAX(r.r1,r1),MAX(r.c1,c1),MIN(r.r2,r2),MIN(r.c2,c2));
}

Rect Rect::expand(short i) const {
  return Rect(r1 - i,c1 - i,r2 + i,c2 + i);
}

Rect Rect::moverel(short rws,short cls) const {
  return Rect(r1 + rws,c1 + cls,r2 + rws,c2 + cls);
}

Rect::Rect(Point p1,int cols,int rows) {
  r1 = p1.row; c1 = p1.col;
  r2 = r1 + rows - 1;
  c2 = c1 + cols - 1;
}