ON_SubDFaceCornerDex Class Reference

A ON_SubDFaceCornerDex is a value that identifies a subd face corner. More...

#include <opennurbs_subd.h>

Public Member Functions
	ON_SubDFaceCornerDex ()=default
	ON_SubDFaceCornerDex (const ON_SubDFaceCornerDex &)=default
	ON_SubDFaceCornerDex (unsigned face_corner_index, unsigned face_edge_count)
	~ON_SubDFaceCornerDex ()=default
unsigned	CornerIndex () const
const ON_SubDVertex *	CornerVertex (const class ON_SubDFace *face) const
	Get the vertex at the corner of the face identified by this. If this is not set, face is nullptr, or face->EdgeCount() != this->EdgeCount(), then nullptr is returned. More...
unsigned	EdgeCount () const
const ON_SubDEdgePtr	EdgePtr (const class ON_SubDFace *face, unsigned corner_edge_dex) const
	Get the edge face->EdgePtr(this->CornerIndex()). If this is not set, face is nullptr, or face->EdgeCount() != this->EdgeCount(), then ON_SubDEdgePtr::Null is returned. More...
bool	IsNotSet () const
bool	IsQuadFace () const
	Returns True if this is a corner of a quad face (IsSet() && 4 == EdgeCount()). More...
bool	IsSet () const
bool	IsValid (const class ON_SubDFace *face) const
const ON_SubDEdgePtr	LeftEdgePtr (const class ON_SubDFace *face) const
	Get the edge of face that goes from the the previous face corner to this face corner. The edge pointer is oriented from PreviousCornerVertex() to CornerVertex(). If this is not set, face is nullptr, or face->EdgeCount() != this->EdgeCount(), then ON_SubDEdgePtr::Null is returned. More...
const ON_SubDFaceCornerDex	NextCornerDex () const
	NextCornerDex() = (this->CornerDex() + 1) % this->EdgeCount(). If this is not set, then ON_SubDFaceCornerDex::Unset is returned. More...
const ON_SubDVertex *	NextCornerVertex (const class ON_SubDFace *face) const
	Get the vertex at the corner of the face identified by this->NextCornerDex(). If this is not set, face is nullptr, or face->EdgeCount() != this->EdgeCount(), then nullptr is returned. More...
ON_SubDFaceCornerDex &	operator= (const ON_SubDFaceCornerDex &)=default
const ON_SubDFaceCornerDex	PreviousCornerDex () const
	NextCornerDex() = (this->CornerDex() + this->EdgeCount() - 1) % this->EdgeCount(). If this is not set, then ON_SubDFaceCornerDex::Unset is returned. More...
const ON_SubDVertex *	PreviousCornerVertex (const class ON_SubDFace *face) const
	Get the vertex at the corner of the face identified by this->PreviousCornerDex(). If this is not set, face is nullptr, or face->EdgeCount() != this->EdgeCount(), then nullptr is returned. More...
const ON_SubDEdgePtr	RightEdgePtr (const class ON_SubDFace *face) const
	Get the edge of face that goes from the this face corner to the next face corner. The edge pointer is oriented from CornerVertex() to NextCornerVertex(). If this is not set, face is nullptr, or face->EdgeCount() != this->EdgeCount(), then ON_SubDEdgePtr::Null is returned. More...

Static Public Member Functions
static int	Compare (const ON_SubDFaceCornerDex *lhs, const ON_SubDFaceCornerDex *rhs)
	Uses ON_SubDFaceCornerDex::CompareAll to dictionary sort nonnull inputs and safely sorts nullptr to the end. More...
static int	CompareAll (const ON_SubDFaceCornerDex &lhs, const ON_SubDFaceCornerDex &rhs)
	Dictionary compares EdgeCount() then CornerIndex(). Any set value < any unset value. More...

Static Public Attributes
static const ON_SubDFaceCornerDex	Unset
	ON_SubDFaceCorner::Unset has CornerIndex()=0 and EdgeCount()=0. More...

Detailed Description

A ON_SubDFaceCornerDex is a value that identifies a subd face corner.