GePoint2d.h

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// Copyright (C) 2002-2022, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2022 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
 
#ifndef OD_GEPNT2D_H
#define OD_GEPNT2D_H 
#include "Ge/GeGbl.h"
 
#ifdef OD_HAVE_MATH_FILE
#include <math.h>
#endif
 
#ifdef OD_HAVE_COMPLEX_FILE
#if __cplusplus >= 201103L
#include <sstream>
#else
#include <complex>
#endif
#endif
 
class OdGeMatrix2d;
class OdGeVector2d;
class OdGeLinearEnt2d;
class OdGeLine2d;
 
#include "TD_PackPush.h"
 
class GE_TOOLKIT_EXPORT OdGePoint2d
{
public:
  
  OdGePoint2d()
    : x (0.0), y (0.0)
  {
  }
  
  OdGePoint2d(
    double xx, 
    double yy) 
    : x (xx), y (yy)
  {
  }
 
  GE_STATIC_EXPORT static const OdGePoint2d kOrigin; // Origin (0,0).
 
  friend GE_TOOLKIT_EXPORT OdGePoint2d operator *(
    const OdGeMatrix2d& matrix, 
    const OdGePoint2d& point);
 
  friend inline OdGePoint2d operator *(
    double scale, 
    const OdGePoint2d& point)
  {
    return OdGePoint2d(point.x * scale, point.y * scale);
  }
 
  OdGePoint2d& setToProduct(
    const OdGeMatrix2d& matrix, 
    const OdGePoint2d& point);
 
  OdGePoint2d& transformBy(
    const OdGeMatrix2d& xfm);
 
  OdGePoint2d& rotateBy(
    double angle, 
    const OdGePoint2d& basePoint = kOrigin);
 
  OdGePoint2d& mirror(
    const OdGeLine2d& line);
 
  OdGePoint2d& scaleBy(
    double scaleFactor, 
    const OdGePoint2d& basePoint = kOrigin);
 
  OdGePoint2d operator *(
    double scale) const
  {
    return OdGePoint2d (x*scale, y*scale);
  }
 
  OdGePoint2d& operator *=(
    double scale)
  {
    x *= scale;
    y *= scale;
    return *this;
  }
 
  OdGePoint2d operator /(
    double scale) const
  {
    return OdGePoint2d (x/scale, y/scale);
  }
 
  OdGePoint2d& operator /=(
    double scale)
  {
    x /= scale;
    y /= scale;
    return *this;
  }
 
  OdGePoint2d operator +(
    const OdGeVector2d& vect) const;
 
  OdGePoint2d& operator +=(
    const OdGeVector2d& vect);
 
    OdGePoint2d operator -(
      const OdGeVector2d& vect) const;
 
  OdGePoint2d& operator -=(
    const OdGeVector2d& vect);
 
  OdGePoint2d& setToSum(
    const OdGePoint2d& point,
    const OdGeVector2d& vect);
 
  OdGeVector2d operator -(
    const OdGePoint2d& point) const;
 
  const OdGeVector2d& asVector() const;
 
  OdGeVector2d& asVector();
 
  double distanceTo(
    const OdGePoint2d& point) const
  {
    return sqrt((x-point.x) * (x-point.x) + (y-point.y) * (y-point.y));
  }
 
  double distanceSqrdTo(
    const OdGePoint2d& point) const
  {
    double dx = x - point.x;
    double dy = y - point.y;
    double r = dx*dx + dy*dy;
    return r;
  }
 
  bool operator ==(
    const OdGePoint2d& point) const
  {
    return isEqualTo (point);
  }
  
  bool operator !=(
    const OdGePoint2d& point) const
  {
    return !isEqualTo (point);
  }
 
  bool isEqualTo(
    const OdGePoint2d& point, 
    const OdGeTol& tol = OdGeContext::gTol) const;
 
  double& operator [](
    unsigned int i)
  {
    return * (&x+i);
  }
  
  double operator [](
    unsigned int i) const
  {
    return * (&x+i);
  }
 
  OdGePoint2d& set(
    double xx, 
    double yy)
  {
    x = xx;
    y = yy;
    return *this;
  }
 
  double x; // X-coordinate
  double y; // Y-coordinate
};
 
#include "TD_PackPop.h"
 
 
#include "Ge/GeVector2d.h"
//DOM-IGNORE-BEGIN
inline OdGePoint2d OdGePoint2d::operator +(
  const OdGeVector2d& vect) const
{
  return OdGePoint2d(x + vect.x, y + vect.y);
}
 
inline OdGePoint2d& OdGePoint2d::operator +=(
  const OdGeVector2d& vect)
{
  x += vect.x;
  y += vect.y;
  return *this;
}
 
inline OdGePoint2d OdGePoint2d::operator -(
  const OdGeVector2d& vect) const
{
  return OdGePoint2d(x - vect.x, y - vect.y);
}
 
inline OdGePoint2d& OdGePoint2d::operator -=(
  const OdGeVector2d& vect)
{
  x -= vect.x;
  y -= vect.y;
  return *this;
}
 
inline OdGeVector2d OdGePoint2d::operator -(
  const OdGePoint2d& point) const
{
  return OdGeVector2d(x - point.x, y - point.y);
}
 
inline const OdGeVector2d& OdGePoint2d::asVector() const
{
  ODA_ASSUME(sizeof(OdGePoint2d) == 2 * sizeof(double));
  ODA_ASSUME(sizeof(OdGeVector2d) == 2 * sizeof(double));
  return *reinterpret_cast<const OdGeVector2d*>(this);
}
 
inline OdGeVector2d& OdGePoint2d::asVector()
{
  ODA_ASSUME(sizeof(OdGePoint2d) == 2 * sizeof(double));
  ODA_ASSUME(sizeof(OdGeVector2d) == 2 * sizeof(double));
  return *reinterpret_cast<OdGeVector2d*>(this);
}
//DOM-IGNORE-END
#endif