Rect.h

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/* -*- mode: c++ -*- */
#ifndef _BOARD_RECT_H_
#define _BOARD_RECT_H_

#include <iostream>
#include "board/Point.h"

namespace LibBoard {

struct Rect {
  double left;   
  double top;    
  double width;  
  double height; 
  Rect( double left = 0.0f, double top = 0.0f,
        double width = 0.0f, double height = 0.0f )
    :left( left ), top( top ), width( width ), height( height ) { }

  Rect( Point topLeft,
        double width = 0.0f, double height = 0.0f )
    :left( topLeft.x ), top( topLeft.y ), width( width ), height( height ) { }

  Rect( Point topLeft, Point bottomRight )
    : left( topLeft.x ),
      top( topLeft.y ),
      width( bottomRight.x - topLeft.x ),
      height( topLeft.y - bottomRight.y ) { }

  Point topLeft() const { return Point( left, top ); }
  Point topRight() const { return Point( left + width, top ); }
  Point bottomLeft() const { return Point( left, top - height ); }
  Point bottomRight() const { return Point( left + width, top - height ); }
  Point center() const { return Point(left+width/2.0,top-height/2.0); }
  Point centerLeft() const { return Point(left,top-height/2.0); }
  Point centerRight() const { return Point(left+width,top-height/2.0); }
  Point centerTop() const { return Point(left+width/2.0,top); }
  Point centerBottom() const { return Point(left+width/2.0,top-height); }
  double bottom() const { return top - height; }
  double right() const { return left + width; }
  void growToContain(Point );
  bool contains(Point ) const;
  Rect & grow(double margin);
};

Rect operator||( const Rect & rectA, const Rect & rectB );

Rect operator&&( const Rect & rectA, const Rect & rectB );

} // mamespace LibBoard

std::ostream & operator<<( std::ostream & out, const LibBoard::Rect & rect );

#endif // _RECT_H_