#ifndef __Display_h
#define __Display_h
#include <port.h>
//#include <attrib.h>

struct Dimension {
  short width, height;
  Dimension(short w = 0,short h = 0) { width = w; height = h; }
};

struct Point {
  short row, col;
  Point(short r,short c) { row = r; col = c; }
  Point operator +(Point p) { return Point(p.row + row,p.col + col); }
  Point operator +(short cols) { return Point(row,col + cols); }
  Point operator -(Point p) { return Point(row - p.row,col - p.col); }
  Point &operator +=(Point p) { row += p.row; col += p.col; return *this; }
  Point &operator -=(Point p) { row -= p.row; col -= p.col; return *this; }
  Point &operator +=(short cols) { col += cols; return *this; }
};

struct Rect {
  short r1, c1;		/* upper left corner */
  short r2, c2;		/* lower right corner */
  short width() const {
    return c2 - c1 + 1;
  }
  short height() const {
    return r2 - r1 + 1;
  }
  Point origin() const {
    return Point(r1,c1);
  }
  Rect(short rw1 = 0,short cl1 = 0,short rw2 = 255,short cl2 = 255) :
    r1(rw1),c1(cl1),r2(rw2),c2(cl2) {}
  Rect(Point p1,Point p2) {
    r1 = p1.row; c1 = p1.col;
    r2 = p2.row; c2 = p2.col;
  }
  Rect(Point p1,int cols,int rows = 1);
  Rect operator +(Point p) const { return moverel(p.row,p.col); }
  Rect intersect(const Rect &) const ;
  Rect enclose(const Rect &) const;
  Rect moverel(short rows,short cols = 0) const;
  Rect moveabs(short row,short col) const;
  Rect expand(short amt) const;
  bool isempty() const { return r1 > r2 || c1 > c2; }
};
#endif