// This may look like C code, but it's really -*- C++ -*-
/*
 * Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.
 *
 * See the LICENSE file for terms of use.
 */
#ifndef WPOINTF_H_
#define WPOINTF_H_

#include <Wt/WDllDefs.h>
#include <Wt/WEvent>

namespace Wt {

/*! \class WPointF Wt/WPointF Wt/WPointF
 *  \brief A value class that defines a 2D point.
 *
 * \ingroup painting
 */
class WT_API WPointF
{
public:
  /*! \brief Creates point (0, 0).
   */
  WPointF();

  /*! \brief Creates a point (x, y).
   */
  WPointF(double x, double y)
    : x_(x), y_(y) { }

  /*! \brief Copy constructor.
   */
  WPointF(const WPointF& other)
    : x_(other.x()), y_(other.y()) { }

  /*! \brief Creates a point from mouse coordinates.
   */
  WPointF(const WMouseEvent::Coordinates& other)
    : x_(other.x), y_(other.y) { }

  /*! \brief Sets the X coordinate.
   */
  void setX(double x) { x_ = x; }

  /*! \brief Sets the Y coordinate.
   */
  void setY(double y) { y_ = y; }

  /*! \brief Returns the X coordinate.
   */
  double x() const { return x_; }

  /*! \brief Returns the Y coordinate.
   */
  double y() const { return y_; }

  /*! \brief Comparison operator.
   */
  bool operator== (const WPointF& other) const;

  /*! \brief Comparison operator.
   */
  bool operator!= (const WPointF& other) const;

  WPointF& operator+= (const WPointF& other);

private:
  double x_, y_;
};

}

#endif // WPOINTF_H_
