EC_PERPLINE Class Reference

EDIT_CONSTRAINT for a EDIT_LINE, that constrains the line to move perpendicular to the line itself. More...

#include <edit_constraints.h>

Inheritance diagram for EC_PERPLINE:

Public Member Functions
	EC_PERPLINE (EDIT_LINE &aLine)
virtual	~EC_PERPLINE ()
	Correct coordinates of the constrained edit handle. More...
virtual void	Apply (EDIT_LINE &aHandle) override
	Correct coordinates of the constrained edit handle. More...
void	Apply ()
	Correct coordinates of the constrained edit handle. More...

Protected Attributes
EDIT_LINE &	m_constrained
	Point that is constrained by rules implemented by Apply(). More...

Private Attributes
VECTOR2I	m_mid
VECTOR2I	m_line

Detailed Description

EDIT_CONSTRAINT for a EDIT_LINE, that constrains the line to move perpendicular to the line itself.

Definition at line 255 of file edit_constraints.h.

Constructor & Destructor Documentation

EC_PERPLINE()

EC_PERPLINE::EC_PERPLINE

(

EDIT_LINE &

aLine

)

Definition at line 199 of file edit_constraints.cpp.

                                           :
    EDIT_CONSTRAINT<EDIT_LINE>( aLine )
{
    m_mid = aLine.GetPosition();
    m_line = ( aLine.GetEnd().GetPosition() - aLine.GetOrigin().GetPosition() ).Perpendicular();
}

References EDIT_LINE::GetEnd(), EDIT_LINE::GetOrigin(), EDIT_POINT::GetPosition(), EDIT_LINE::GetPosition(), m_line, and m_mid.

~EC_PERPLINE()

virtual EC_PERPLINE::~EC_PERPLINE ( )

inlinevirtual

Correct coordinates of the constrained edit handle.

Definition at line 261 of file edit_constraints.h.

Member Function Documentation

Apply() [1/2]

void EDIT_CONSTRAINT< EDIT_LINE >::Apply ( )

inlineinherited

Correct coordinates of the constrained edit handle.

Definition at line 71 of file edit_constraints.h.

    {
        Apply( m_constrained );
    }

Apply() [2/2]

void EC_PERPLINE::Apply ( EDIT_LINE &  aHandle )

overridevirtual

Correct coordinates of the constrained edit handle.

Implements EDIT_CONSTRAINT< EDIT_LINE >.

Definition at line 207 of file edit_constraints.cpp.

{
    SEG main( m_mid, m_mid + m_line );
    SEG projection( aHandle.GetPosition(), aHandle.GetPosition() + m_line.Perpendicular() );

    if( OPT_VECTOR2I intersect = projection.IntersectLines( main ) )
        aHandle.SetPosition( *intersect );

    VECTOR2D delta = aHandle.GetEnd().GetPosition() - aHandle.GetOrigin().GetPosition();

    aHandle.GetOrigin().SetPosition( aHandle.GetOrigin().GetPosition() );
    aHandle.GetEnd().SetPosition( aHandle.GetOrigin().GetPosition() + delta );
}

References delta, EDIT_LINE::GetEnd(), EDIT_LINE::GetOrigin(), EDIT_POINT::GetPosition(), EDIT_LINE::GetPosition(), intersect(), m_line, m_mid, main(), VECTOR2< T >::Perpendicular(), EDIT_POINT::SetPosition(), and EDIT_LINE::SetPosition().

Member Data Documentation

m_constrained

EDIT_LINE & EDIT_CONSTRAINT< EDIT_LINE >::m_constrained

protectedinherited

Point that is constrained by rules implemented by Apply().

Definition at line 77 of file edit_constraints.h.

m_line

VECTOR2I EC_PERPLINE::m_line

private

Definition at line 269 of file edit_constraints.h.

Referenced by Apply(), and EC_PERPLINE().

m_mid

VECTOR2I EC_PERPLINE::m_mid

private

Definition at line 268 of file edit_constraints.h.

Referenced by Apply(), and EC_PERPLINE().

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

• edit_constraints.h
• edit_constraints.cpp