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C:/temp/src/j2k/Beta/Geometry/Linear/Rectangle.cpp

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// Implementation of class JRectangle
#ifndef __J2K__JRectangle_CPP__
#define __J2K__JRectangle_CPP__

#include <j2k/Fred/Geometry/JRectangle.hpp>
#include <j2k/Fred/MathCst.hpp>

// Constructor for class JRectangle
JRectangle::JRectangle()
  :  p( 0.0, 0.0 ), length( 0.0 ), width( 0.0 ), area_cache( 0.0 ) { }

JRectangle::JRectangle( double X )
  :  p( X, 0.0 ), length( 0.0 ), width( 0.0 ), area_cache( 0.0 ) { }

JRectangle::JRectangle( double X, double Y )
  :  p( X, Y ), length( 0.0 ), width( 0.0 ), area_cache( 0.0 ) { }

JRectangle::JRectangle( double X, double Y, doubleength )
  :  p( X, Y ), length( Length ), width( 0.0 ), area_cache( -1.0 ) { }

JRectangle::JRectangle( double X, double Y,
  double Length, double Width )
  :  p( X, Y ), length( Length ), width( Width ), area_cache( -1.0 ) { }

// Set the x and y coordinates
inline JRectangle&  JRectangle::setPoint( double X, double Y ) {
   p.setPoint( X, Y );
   return *this;
}

////////////////////////////////////////////////////////////////////////////
///  JRectangle related functions.                                           ///
////////////////////////////////////////////////////////////////////////////

inline JRectangle&  JRectangle::setLength( double Length ) {
  length = Length;
  return *this;
}

inline JRectangle&  JRectangle::setWidth( double Width ) {
  width = Width;
  return *this;
}

inline double  JRectangle::getLength() {
  return length;
}

inline double  JRectangle::getWidth() {
  return width;
}

inline JRectangle&  JRectangle::setJSquare( double X, double Y,
                                   double Length )
{
   p.setPoint( X, Y );
   length = Length;
   return *this;
}
inline JRectangle&  JRectangle::setJRectangle( double X, double Y,
                   double Length, double Width )
{
   p.setPoint( X, Y );
   length = Length;
   width  = Width;
   return *this;
}

// Calculate area of JRectangle
inline double JRectangle::area() const {
  if ( area_cache < 0.0 ) {
    area_cache = Length * Width;
  }
  return area_cache;
}

////////////////////////////////////////////////////////////////////////////
///  Point related functions.                                            ///
////////////////////////////////////////////////////////////////////////////

// Set coordinates (l,t)
inline JRectangle&  JRectangle::setPolar( double R, double Theta ) {
   p.setPolar( R, Theta );
   return *this;
}

inline JRectangle&  JRectangle::setX( double X ) {
   p.setX( X );
   return *this;
}

inline JRectangle&  JRectangle::setY( double Y ) {
   p.setY( Y );
   return *this;
}

inline JRectangle&  JRectangle::setR( double R ) {
   p.setR( R );
   return *this;
}

inline JRectangle&  JRectangle::setAngle( double Theta ) {
   p.setAngle( Theta );
   return *this;
}

// get x coordinate
inline double getX() const {
  return p.getX();
}

// get y coordinate
inline double getY() const {
  return p.getY();
}

// get R coordinate
inline double getR() const {
  return p.getR();
}

// get Angle
inline double getAngle() const {
  return p.getAngle();
}

#endif

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