Tessellates a complex polygon defined by a set of outlines into a set of triangles that can be rendered by Visualization Library. More...

#include <Tessellator.hpp>

Inheritance diagram for vl::Tessellator:

Public Member Functions
	Tessellator ()
	Constructor. More...

	~Tessellator ()
	Destructor. More...

const std::vector< dvec3 > &	contourVerts () const
	The contours that specify the complex polygon to be tessellated. More...

std::vector< dvec3 > &	contourVerts ()
	The contours that specify the complex polygon to be tessellated. More...

const std::vector< int > &	contours () const
	The contours that specify the complex polygon to be tessellated. More...

std::vector< int > &	contours ()
	The contours that specify the complex polygon to be tessellated. More...

const std::vector< fvec3 > &	tessellatedTris () const
	A set of triangles representing the tessellated polygon. More...

std::vector< fvec3 > &	tessellatedTris ()
	A set of triangles representing the tessellated polygon. More...

void	setTessNormal (const fvec3 &normal)
	See gluTessNormal documentation. More...

const fvec3 &	tessNormal () const
	See gluTessNormal documentation. More...

void	setBoundaryOnly (bool on)
	See gluTessProperty documentation (GLU_TESS_BOUNDARY_ONLY) More...

bool	boundaryOnly () const
	See gluTessProperty documentation (GLU_TESS_BOUNDARY_ONLY) More...

double	tolerance () const
	See gluTessProperty documentation (GLU_TESS_TOLERANCE) More...

void	setTolerance (double tolerance)
	See gluTessProperty documentation (GLU_TESS_TOLERANCE) More...

ETessellationWinding	windingRule () const
	See gluTessProperty documentation (GLU_TESS_WINDING_RULE) More...

void	setWindingRule (ETessellationWinding rule)
	See gluTessProperty documentation (GLU_TESS_WINDING_RULE) More...

bool	tessellate (bool append_tessellated_tris=false)

ref< Geometry >	tessellateGeometry (bool append_tessellated_tris=false)
	Utility function that calls tessellate() and creates a Geometry with the tessellated triangles. More...

void	setTessellateIntoSinglePolygon (bool on)

bool	tessellateIntoSinglePolygon () const

Public Member Functions inherited from vl::Object
	Object ()
	Constructor. More...

	Object (const Object &other)
	Copy constructor: copies the name, ref count mutex and user data. More...

Object &	operator= (const Object &other)
	Copy operator: copies the object's name, ref count mutex and user data. More...

const std::string &	objectName () const
	The name of the object, by default set to the object's class name. More...

void	setObjectName (const char *name)
	The name of the object, by default set to the object's class name in debug builds. More...

void	setObjectName (const std::string &name)
	The name of the object, by default set to the object's class name in debug builds. More...

void	setRefCountMutex (IMutex *mutex)
	The mutex used to protect the reference counting of an Object across multiple threads. More...

IMutex *	refCountMutex ()
	The mutex used to protect the reference counting of an Object across multiple threads. More...

const IMutex *	refCountMutex () const
	The mutex used to protect the reference counting of an Object across multiple threads. More...

int	referenceCount () const
	Returns the number of references of an object. More...

void	incReference () const
	Increments the reference count of an object. More...

void	decReference ()
	Decrements the reference count of an object and deletes it if both automaticDelete() is `true` the count reaches 0. More...

void	setAutomaticDelete (bool autodel_on)
	If set to true the Object is deleted when its reference count reaches 0. More...

bool	automaticDelete () const
	If set to true the Object is deleted when its reference count reaches 0. More...

template<class T >
T *	as ()
	Casts an Object to the specified class. More...

template<class T >
const T *	as () const
	Casts an Object to the specified class. More...

Protected Member Functions
void	freeCombinedVertices ()

Protected Member Functions inherited from vl::Object
virtual	~Object ()

Static Protected Member Functions
static void CALLBACK	tessBeginData (GLenum type, Tessellator *tessellator)

static void CALLBACK	tessVertexData (dvec3 vec, Tessellator tessellator)

static void CALLBACK	tessCombineData (GLdouble coords[3], dvec3 d[4], GLfloat w[4], dvec3 dataOut, Tessellator tessellator)

static void CALLBACK	tessEnd (void)

static void CALLBACK	tessError (GLenum errno)

Protected Attributes
std::vector< int >	mContours

std::vector< dvec3 >	mContourVerts

std::vector< fvec3 >	mTessellatedTris

std::vector< std::vector< fvec3 > >	mFans

std::vector< std::vector< fvec3 > >	mTriStrips

std::vector< std::vector< fvec3 > >	mLineLoops

std::vector< dvec3 *>	mCombinedVertices

GLenum	mPrimitiveType

fvec3	mTessNormal

bool	mBoundaryOnly

double	mTolerance

ETessellationWinding	mWindingRule

bool	mTessellateIntoSinglePolygon

Protected Attributes inherited from vl::Object
std::string	mObjectName

IMutex *	mRefCountMutex

int	mReferenceCount

bool	mAutomaticDelete

Detailed Description

Tessellates a complex polygon defined by a set of outlines into a set of triangles that can be rendered by Visualization Library.

For more information see the OpenGL Programmer's Guide chapter #11 "Tessellators and Quadrics".

Definition at line 50 of file Tessellator.hpp.

Constructor & Destructor Documentation

◆ Tessellator()

Tessellator::Tessellator ( )

Constructor.

Definition at line 37 of file Tessellator.cpp.

References mBoundaryOnly, mTessellateIntoSinglePolygon, mTessNormal, mTolerance, mWindingRule, and vl::TW_TESS_WINDING_ODD.

◆ ~Tessellator()

Tessellator::~Tessellator ( )

Destructor.

Definition at line 47 of file Tessellator.cpp.

References freeCombinedVertices().

Member Function Documentation

◆ boundaryOnly()

bool vl::Tessellator::boundaryOnly ( ) const

inline

See gluTessProperty documentation (GLU_TESS_BOUNDARY_ONLY)

Definition at line 91 of file Tessellator.hpp.

Referenced by tessellate().

◆ contours() [1/2]

const std::vector<int>& vl::Tessellator::contours ( ) const

inline

The contours that specify the complex polygon to be tessellated.

Definition at line 70 of file Tessellator.hpp.

Referenced by vl::Extrusion::extrude(), and vl::Extrusions::extrude().

◆ contours() [2/2]

std::vector<int>& vl::Tessellator::contours ( )

inline

The contours that specify the complex polygon to be tessellated.

Definition at line 73 of file Tessellator.hpp.

◆ contourVerts() [1/2]

const std::vector<dvec3>& vl::Tessellator::contourVerts ( ) const

inline

The contours that specify the complex polygon to be tessellated.

Definition at line 64 of file Tessellator.hpp.

Referenced by vl::Extrusion::extrude(), and vl::Extrusions::extrude().

◆ contourVerts() [2/2]

std::vector<dvec3>& vl::Tessellator::contourVerts ( )

inline

The contours that specify the complex polygon to be tessellated.

Definition at line 67 of file Tessellator.hpp.

◆ freeCombinedVertices()

void Tessellator::freeCombinedVertices ( )

protected

Definition at line 148 of file Tessellator.cpp.

References mCombinedVertices.

Referenced by tessellate(), and ~Tessellator().

◆ setBoundaryOnly()

void vl::Tessellator::setBoundaryOnly ( bool on )

inline

See gluTessProperty documentation (GLU_TESS_BOUNDARY_ONLY)

Definition at line 88 of file Tessellator.hpp.

◆ setTessellateIntoSinglePolygon()

void vl::Tessellator::setTessellateIntoSinglePolygon ( bool on )

inline

Definition at line 118 of file Tessellator.hpp.

◆ setTessNormal()

void vl::Tessellator::setTessNormal ( const fvec3 & normal )

inline

See gluTessNormal documentation.

Definition at line 82 of file Tessellator.hpp.

◆ setTolerance()

void vl::Tessellator::setTolerance ( double tolerance )

inline

See gluTessProperty documentation (GLU_TESS_TOLERANCE)

Definition at line 97 of file Tessellator.hpp.

◆ setWindingRule()

void vl::Tessellator::setWindingRule ( ETessellationWinding rule )

inline

See gluTessProperty documentation (GLU_TESS_WINDING_RULE)

Definition at line 103 of file Tessellator.hpp.

Referenced by vl::Extrusion::extrude(), and vl::Extrusions::extrude().

◆ tessBeginData()

void CALLBACK Tessellator::tessBeginData	(	GLenum	type,
		Tessellator *	tessellator
	)

staticprotected

Definition at line 175 of file Tessellator.cpp.

References vl::Log::error(), mFans, mLineLoops, mPrimitiveType, and mTriStrips.

Referenced by tessellate().

◆ tessCombineData()

void CALLBACK Tessellator::tessCombineData	(	GLdouble	coords[3],
		dvec3 *	d[4],
		GLfloat	w[4],
		dvec3 **	dataOut,
		Tessellator *	tessellator
	)

staticprotected

Definition at line 216 of file Tessellator.cpp.

References mCombinedVertices, vl::Vector3< T_Scalar >::x(), vl::Vector3< T_Scalar >::y(), and vl::Vector3< T_Scalar >::z().

Referenced by tessellate().

◆ tessellate()

bool Tessellator::tessellate ( bool append_tessellated_tris = false )

Definition at line 52 of file Tessellator.cpp.

References boundaryOnly(), vl::Log::error(), freeCombinedVertices(), mContours, mContourVerts, mFans, mLineLoops, mPrimitiveType, mTessellatedTris, mTriStrips, tessBeginData(), tessCombineData(), tessellatedTris(), tessellateIntoSinglePolygon(), tessEnd(), tessError(), tessNormal(), tessVertexData(), tolerance(), vl::Log::warning(), and windingRule().

Referenced by vl::Extrusion::extrude(), vl::Extrusions::extrude(), and tessellateGeometry().

◆ tessellatedTris() [1/2]

const std::vector<fvec3>& vl::Tessellator::tessellatedTris ( ) const

inline

A set of triangles representing the tessellated polygon.

Definition at line 76 of file Tessellator.hpp.

Referenced by vl::Extrusion::extrude(), vl::Extrusions::extrude(), and tessellate().

◆ tessellatedTris() [2/2]

std::vector<fvec3>& vl::Tessellator::tessellatedTris ( )

inline

A set of triangles representing the tessellated polygon.

Definition at line 79 of file Tessellator.hpp.

◆ tessellateGeometry()

ref< Geometry > Tessellator::tessellateGeometry ( bool append_tessellated_tris = false )

Utility function that calls tessellate() and creates a Geometry with the tessellated triangles.

Definition at line 155 of file Tessellator.cpp.

References vl::Geometry::computeNormals(), vl::Geometry::drawCalls(), vl::ref< T >::get(), vl::Array< T_VectorType, T_Scalar, T_GL_Size, T_GL_Type >::initFrom(), mTessellatedTris, NULL, vl::PT_TRIANGLES, vl::Geometry::setVertexArray(), vl::Array< T_VectorType, T_Scalar, T_GL_Size, T_GL_Type >::size(), and tessellate().

◆ tessellateIntoSinglePolygon()

bool vl::Tessellator::tessellateIntoSinglePolygon ( ) const

inline

Definition at line 120 of file Tessellator.hpp.

References CALLBACK.

Referenced by tessellate().

◆ tessEnd()

void CALLBACK Tessellator::tessEnd ( void )

staticprotected

Definition at line 226 of file Tessellator.cpp.

Referenced by tessellate().

◆ tessError()

void CALLBACK Tessellator::tessError ( GLenum errno )

staticprotected

Definition at line 230 of file Tessellator.cpp.

References vl::Log::error().

Referenced by tessellate().

◆ tessNormal()

const fvec3& vl::Tessellator::tessNormal ( ) const

inline

See gluTessNormal documentation.

Definition at line 85 of file Tessellator.hpp.

Referenced by tessellate().

◆ tessVertexData()

void CALLBACK Tessellator::tessVertexData	(	dvec3 *	vec,
		Tessellator *	tessellator
	)

staticprotected

Definition at line 197 of file Tessellator.cpp.

References vl::Log::error(), mFans, mLineLoops, mPrimitiveType, mTessellatedTris, and mTriStrips.

Referenced by tessellate().

◆ tolerance()

double vl::Tessellator::tolerance ( ) const

inline

See gluTessProperty documentation (GLU_TESS_TOLERANCE)

Definition at line 94 of file Tessellator.hpp.

Referenced by tessellate().

◆ windingRule()

ETessellationWinding vl::Tessellator::windingRule ( ) const

inline

See gluTessProperty documentation (GLU_TESS_WINDING_RULE)

Definition at line 100 of file Tessellator.hpp.

Referenced by tessellate().

Member Data Documentation

◆ mBoundaryOnly

bool vl::Tessellator::mBoundaryOnly

protected

Definition at line 145 of file Tessellator.hpp.

Referenced by Tessellator().

◆ mCombinedVertices

std::vector< dvec3* > vl::Tessellator::mCombinedVertices

protected

Definition at line 140 of file Tessellator.hpp.

Referenced by freeCombinedVertices(), and tessCombineData().

◆ mContours

std::vector<int> vl::Tessellator::mContours

protected

Definition at line 132 of file Tessellator.hpp.

Referenced by tessellate().

◆ mContourVerts

std::vector<dvec3> vl::Tessellator::mContourVerts

protected

Definition at line 133 of file Tessellator.hpp.

Referenced by tessellate().

◆ mFans

std::vector< std::vector<fvec3> > vl::Tessellator::mFans

protected

Definition at line 137 of file Tessellator.hpp.

Referenced by tessBeginData(), tessellate(), and tessVertexData().

◆ mLineLoops

std::vector< std::vector<fvec3> > vl::Tessellator::mLineLoops

protected

Definition at line 139 of file Tessellator.hpp.

Referenced by tessBeginData(), tessellate(), and tessVertexData().

◆ mPrimitiveType

GLenum vl::Tessellator::mPrimitiveType

protected

Definition at line 141 of file Tessellator.hpp.

Referenced by tessBeginData(), tessellate(), and tessVertexData().

◆ mTessellatedTris

std::vector<fvec3> vl::Tessellator::mTessellatedTris

protected

Definition at line 135 of file Tessellator.hpp.

Referenced by tessellate(), tessellateGeometry(), and tessVertexData().

◆ mTessellateIntoSinglePolygon

bool vl::Tessellator::mTessellateIntoSinglePolygon

protected

Definition at line 151 of file Tessellator.hpp.

Referenced by Tessellator().

◆ mTessNormal

fvec3 vl::Tessellator::mTessNormal

protected

Definition at line 143 of file Tessellator.hpp.

Referenced by Tessellator().

◆ mTolerance

double vl::Tessellator::mTolerance

protected

Definition at line 147 of file Tessellator.hpp.

Referenced by Tessellator().

◆ mTriStrips

std::vector< std::vector<fvec3> > vl::Tessellator::mTriStrips

protected

Definition at line 138 of file Tessellator.hpp.

Referenced by tessBeginData(), tessellate(), and tessVertexData().

◆ mWindingRule

ETessellationWinding vl::Tessellator::mWindingRule

protected

Definition at line 149 of file Tessellator.hpp.

Referenced by Tessellator().

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

C:/git/VL/src/vlGraphics/Tessellator.hpp
C:/git/VL/src/vlGraphics/Tessellator.cpp

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Tessellator()

◆ ~Tessellator()

Member Function Documentation

◆ boundaryOnly()

◆ contours() [1/2]

◆ contours() [2/2]

◆ contourVerts() [1/2]

◆ contourVerts() [2/2]

◆ freeCombinedVertices()

◆ setBoundaryOnly()

◆ setTessellateIntoSinglePolygon()

◆ setTessNormal()

◆ setTolerance()

◆ setWindingRule()

◆ tessBeginData()

◆ tessCombineData()

◆ tessellate()

◆ tessellatedTris() [1/2]

◆ tessellatedTris() [2/2]

◆ tessellateGeometry()

◆ tessellateIntoSinglePolygon()

◆ tessEnd()

◆ tessError()

◆ tessNormal()

◆ tessVertexData()

◆ tolerance()

◆ windingRule()

Member Data Documentation

◆ mBoundaryOnly

◆ mCombinedVertices

◆ mContours

◆ mContourVerts

◆ mFans

◆ mLineLoops

◆ mPrimitiveType

◆ mTessellatedTris

◆ mTessellateIntoSinglePolygon

◆ mTessNormal

◆ mTolerance

◆ mTriStrips

◆ mWindingRule