///////////////////////////////////////////////////////////////////////////////
|
// Copyright (C) 2002-2016, 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 Teigha(R) software pursuant to a license
|
// agreement with Open Design Alliance.
|
// Teigha(R) Copyright (C) 2002-2016 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 /*!DOM*/
|
|
#include "Ge/GeVector2d.h"
|
#include "OdArray.h"
|
|
#ifdef OD_HAVE_MATH_FILE
|
#include <math.h>
|
#endif
|
|
#ifdef OD_HAVE_COMPLEX_FILE
|
#include <complex>
|
#endif
|
|
class OdGeMatrix2d;
|
class OdGeVector2d;
|
class OdGeLinearEnt2d;
|
class OdGeLine2d;
|
|
#include "TD_PackPush.h"
|
|
/** \details
|
This class represents points (locations) in 2D space.
|
|
\remarks
|
OdGePoint2d may be viewed as an array[2] of doubles.
|
|
Library: TD_Ge
|
|
<group OdGe_Classes>
|
|
\sa
|
<link ge_BasicTypes.html, Working with Basic Geometry Types>
|
*/
|
class GE_TOOLKIT_EXPORT OdGePoint2d
|
{
|
public:
|
/** \param xx [in] The X-coordinate of this point.
|
\param yy [in] The Y-coordinate of this point.
|
\param source [in] Object to be cloned.
|
|
\remarks
|
The default constructor constructs a point at the origin.
|
*/
|
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).
|
|
/** \remarks
|
Sets this point to the result of the matrix multiplication matrix * point,
|
or the point scaled by a factor of scale.
|
|
\param matrix [in] Any 2D matrix.
|
\param scale [in] Scale factor.
|
\param point [in] The point to be multiplied.
|
*/
|
friend GE_TOOLKIT_EXPORT OdGePoint2d operator *(
|
const OdGeMatrix2d& matrix,
|
const OdGePoint2d& point);
|
|
friend GE_TOOLKIT_EXPORT OdGePoint2d operator *(
|
double scale,
|
const OdGePoint2d& point);
|
|
/** \details
|
Sets this point to the result of the matrix multiplication (matrix * point).
|
Returns a reference to this point.
|
|
\param matrix [in] A 2D matrix.
|
\param point [in] The point to be multiplied.
|
*/
|
OdGePoint2d& setToProduct(
|
const OdGeMatrix2d& matrix,
|
const OdGePoint2d& point);
|
|
/** \details
|
Sets this point to the result of the matrix multiplication xfm this point*.
|
Returns a reference to this point.
|
|
\param xfm [in] A 2D matrix.
|
*/
|
OdGePoint2d& transformBy(
|
const OdGeMatrix2d& xfm);
|
|
/** \details
|
Rotates this point about the specified basePoint by the specified angle.
|
|
\param angle [in] Rotation angle.
|
\param basePoint [in] Basepoint.
|
*/
|
OdGePoint2d& rotateBy(
|
double angle,
|
const OdGePoint2d& basePoint = kOrigin);
|
|
/** \details
|
Mirrors this point about the specified 2D line.
|
|
\param line [in] Mirror Line.
|
*/
|
OdGePoint2d& mirror(
|
const OdGeLine2d& line);
|
|
/** \details
|
Scales this point by the scale factor about the basepoint.
|
|
\param scaleFactor [in] Scale Factor. The scale factor must be greater than zero.
|
\param basePoint [in] Basepoint.
|
*/
|
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
|
{
|
return OdGePoint2d (x + vect.x, y + vect.y);
|
}
|
|
OdGePoint2d& operator +=(
|
const OdGeVector2d& vect)
|
{
|
x += vect.x;
|
y += vect.y;
|
return *this;
|
}
|
|
OdGePoint2d operator -(
|
const OdGeVector2d& vect) const
|
{
|
return OdGePoint2d (x - vect.x, y - vect.y);
|
}
|
|
OdGePoint2d& operator -=(
|
const OdGeVector2d& vect)
|
{
|
x -= vect.x;
|
y -= vect.y;
|
return *this;
|
}
|
|
/** \details
|
Sets this point to point + vect, and returns a reference to this point.
|
|
\param point [in] Any 2D point.
|
\param vect [in] A 2D vector.
|
*/
|
OdGePoint2d& setToSum(
|
const OdGePoint2d& point,
|
const OdGeVector2d& vect)
|
{
|
x = point.x + vect.x;
|
y = point.y + vect.y;
|
return *this;
|
}
|
|
OdGeVector2d operator -(
|
const OdGePoint2d& point) const
|
{
|
return OdGeVector2d (x - point.x, y - point.y);
|
}
|
|
/** \details
|
Returns this point as a vector.
|
*/
|
const OdGeVector2d& asVector() const
|
{
|
return *reinterpret_cast<const OdGeVector2d*>(this);
|
}
|
|
/** \details
|
Returns the distance from this point to the specified point.
|
|
\param point [in] Any 2D point.
|
*/
|
double distanceTo(
|
const OdGePoint2d& point) const
|
{
|
return sqrt ( (x-point.x)* (x-point.x)+ (y-point.y)* (y-point.y));
|
}
|
|
bool operator ==(
|
const OdGePoint2d& point) const
|
{
|
return isEqualTo (point);
|
}
|
bool operator !=(
|
const OdGePoint2d& point) const
|
{
|
return !isEqualTo (point);
|
}
|
|
/** \details
|
Returns true if and only if the distance from this point to point is within the
|
specified tolerance.
|
|
\param point [in] Any 2D point.
|
\param tol [in] Geometric tolerance.
|
*/
|
bool isEqualTo(
|
const OdGePoint2d& point,
|
const OdGeTol& tol = OdGeContext::gTol) const;
|
|
/** \param i [in] Index of coordinate.
|
|
\remarks
|
Returns or references the ith coordinate of this point.
|
|
* 0 returns or references the X-coordinate.
|
* 1 returns or references the Y-coordinate.
|
*/
|
double& operator [](
|
unsigned int i)
|
{
|
return * (&x+i);
|
}
|
double operator [](
|
unsigned int i) const
|
{
|
return * (&x+i);
|
}
|
|
/** \details
|
Sets this point to the specified X and Y coordinates.
|
Returns a reference to this point.
|
|
\param xx [in] The X-coordinate of this point.
|
\param yy [in] The Y-coordinate of this point.
|
*/
|
OdGePoint2d& set(
|
double xx,
|
double yy)
|
{
|
x = xx;
|
y = yy;
|
return *this;
|
}
|
|
double x; // X-coordinate
|
double y; // Y-coordinate
|
};
|
|
#include "TD_PackPop.h"
|
|
#endif
|
