ePoint Class Reference

#include <eTess2.h>

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List of all members.

Public Member Functions
	ePoint ()
	ePoint (const eCoord &c)
bool	Check ()
bool	operator== (const ePoint &a) const
bool	operator!= (const ePoint &a) const
eCoord	operator- (const ePoint &a) const
eCoord	operator+ (const ePoint &a) const
REAL	operator * (const ePoint &a) const
const eCoord &	operator= (const eCoord &a)
bool	operator== (const eCoord &a) const
bool	operator!= (const eCoord &a) const
eCoord	operator- (const eCoord &a) const
eCoord	operator- () const
eCoord	operator+ (const eCoord &a) const
REAL	operator * (const eCoord &a) const
const eCoord &	operator= (const ePoint &a)
void	Replace (ePoint *P)
void	Unlink ()
void	Print (std::ostream &s) const
Protected Member Functions
	~ePoint ()
Friends
class	tReferencable< ePoint >

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Detailed Description

Definition at line 245 of file eTess2.h.

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Constructor & Destructor Documentation

ePoint::ePoint

(

)

[inline]

Definition at line 249 of file eTess2.h.

{}

ePoint::ePoint

(

const eCoord &

c

)

[inline]

Definition at line 250 of file eTess2.h.

:eCoord(c){}

ePoint::~ePoint

(

)

[inline, protected]

Definition at line 279 of file eTess2.h.

References Unlink().

{Unlink();}

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Member Function Documentation

bool ePoint::Check

(

)

[inline]

Definition at line 253 of file eTess2.h.

References eDual::Check().

{return eDual::Check(0);}

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bool ePoint::operator==

(

const ePoint &

a

)

const [inline]

Definition at line 256 of file eTess2.h.

References operator==().

{return eCoord::operator==(a);}

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bool ePoint::operator!=

(

const ePoint &

a

)

const [inline]

Definition at line 257 of file eTess2.h.

References operator==().

{return !eCoord::operator==(a);}

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eCoord ePoint::operator-

(

const ePoint &

a

)

const [inline]

Definition at line 258 of file eTess2.h.

References eCoord, and x.

{return eCoord(x-a.x,y-a.y);}

eCoord ePoint::operator+

(

const ePoint &

a

)

const [inline]

Definition at line 259 of file eTess2.h.

References eCoord, and x.

{return eCoord(x+a.x,y+a.y);}

REAL ePoint::operator *

(

const ePoint &

a

)

const [inline]

Definition at line 260 of file eTess2.h.

References x.

{return -x*a.y+y*a.x;}

const eCoord& ePoint::operator=

(

const eCoord &

a

)

[inline]

Definition at line 261 of file eTess2.h.

References x.

{x=a.x;y=a.y;return *this;}

bool ePoint::operator==

(

const eCoord &

a

)

const [inline]

Definition at line 263 of file eTess2.h.

References operator==().

{return eCoord::operator==(a);}

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bool ePoint::operator!=

(

const eCoord &

a

)

const [inline]

Definition at line 264 of file eTess2.h.

References operator==().

{return !eCoord::operator==(a);}

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eCoord ePoint::operator-

(

const eCoord &

a

)

const [inline]

Definition at line 265 of file eTess2.h.

References eCoord, and x.

{return eCoord(x-a.x,y-a.y);}

eCoord ePoint::operator-

(

)

const [inline]

Definition at line 266 of file eTess2.h.

References eCoord, and x.

{return eCoord(-x,-y);}

eCoord ePoint::operator+

(

const eCoord &

a

)

const [inline]

Definition at line 267 of file eTess2.h.

References eCoord, and x.

{return eCoord(x+a.x,y+a.y);}

REAL ePoint::operator *

(

const eCoord &

a

)

const [inline]

Definition at line 268 of file eTess2.h.

References x.

{return -x*a.y+y*a.x;}

const eCoord& ePoint::operator=

(

const ePoint &

a

)

[inline]

Definition at line 269 of file eTess2.h.

References x.

{x=a.x;y=a.y;return *this;}

void ePoint::Replace

(

ePoint *

P

)

Definition at line 278 of file eGrid.cpp.

References eCoord, eDual::edge, NULL, eHalfEdge::other, eHalfEdge::Point(), eHalfEdge::SetPoint(), and tASSERT.

Referenced by eGrid::DrawLine(), and eHalfEdge::Simplify().

{
    tControlledPTR< ePoint > keep( this );

    //  if (!(*this==*P))
    //    tERR_WARN("Unequal points are going to get exchaned!");

    eHalfEdge *run = edge;
    const eHalfEdge *stop = run;

    *static_cast<eCoord *>(P) = *this;

    do
    {
        tASSERT(run && run->Point() == this);
        run->SetPoint(P);

        run = run->other->next;

    }
    while (stop != run);

    edge = NULL;
}

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void ePoint::Unlink

(

)

Definition at line 303 of file eGrid.cpp.

References eDual::edge, eHalfEdge::next, NULL, eHalfEdge::other, eHalfEdge::Point(), and tASSERT.

Referenced by eGrid::KillPoint(), and ~ePoint().

{
    if (!edge)
        return;

    eHalfEdge *run = edge;
    const eHalfEdge *stop = run;

    do
    {
        tASSERT(run && run->Point() == this &&
                (!run->next || !run->next->next || run == run->next->next->next)) ;
        run = run->next;
        if (run)
            run= run->next;
        if (run)
            run = run->other;
    }
    while (run && stop != run);

    edge = NULL;
}

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void ePoint::Print

(

std::ostream &

s

)

const

Definition at line 272 of file eGrid.cpp.

References x.

Referenced by operator<<().

{
    s << "(" << x << ", " << y << ")";
}

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Friends And Related Function Documentation

friend class tReferencable< ePoint > [friend]

Definition at line 246 of file eTess2.h.

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The documentation for this class was generated from the following files:

• src/engine/eTess2.h
• src/engine/eGrid.cpp

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