rect.h

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#ifndef RECT_H
#define RECT_H

#include "coordinate.h"

#include <qrect.h>
#include <kdebug.h>

class Rect
{
public:
  Rect( const Coordinate bottomLeft, const Coordinate topRight );
  Rect( const Coordinate bottomLeft, const double width, const double height );
  Rect( double xa, double ya, double width, double height );
  Rect( const Rect& r );
  Rect();
  static Rect invalidRect();


  bool valid();

  void setBottomLeft( const Coordinate p );
  void setTopLeft( const Coordinate p );
  void setTopRight( const Coordinate p );
  void setBottomRight( const Coordinate p );
  void setCenter( const Coordinate p );
  void setLeft( const double p);
  void setRight( const double p);
  void setTop( const double p );
  void setBottom( const double p );
  void setWidth( const double w );
  void setHeight( const double h );
  void normalize();
  void setContains( Coordinate p );
  void moveBy( const Coordinate p );
  Rect& operator+=( const Coordinate p ) { moveBy(p); return *this; }
  void scale( const double r );
  Rect& operator*=( const double r ) { scale(r); return *this; }
  Rect& operator/=( const double r ) { scale(1/r); return *this; }

  void eat( const Rect& r );

  Rect& operator|=( const Rect& rhs ) { eat( rhs ); return *this; }

  Rect matchShape( const Rect& rhs, bool shrink = false ) const;

  QRect toQRect() const;
  Coordinate bottomLeft() const;
  Coordinate bottomRight() const;
  Coordinate topLeft() const;
  Coordinate topRight() const;
  Coordinate center() const;
  double left() const;
  double right() const;
  double bottom() const;
  double top() const;
  double width() const;
  double height() const;
  bool contains( const Coordinate& p ) const;
  bool contains( const Coordinate& p, double allowed_miss ) const;
  bool intersects( const Rect& p ) const;
  Rect normalized() const;
  friend kdbgstream& operator<<( kdbgstream& s, const Rect& t );

  static Rect fromQRect( const QRect& );
protected:
  Coordinate mBottomLeft;
  double mwidth;
  double mheight;
};

bool operator==( const Rect& r, const Rect& s );
kdbgstream& operator<<( kdbgstream& s, const Rect& t );
Rect operator|( const Rect& lhs, const Rect& rhs );

#endif