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:

List of all members.

Public Member Functions
	Tessellator ()
	Constructor.
	~Tessellator ()
	Destructor.
const std::vector< dvec3 > &	contourVerts () const
	The contours that specify the complex polygon to be tessellated.
std::vector< dvec3 > &	contourVerts ()
	The contours that specify the complex polygon to be tessellated.
const std::vector< int > &	contours () const
	The contours that specify the complex polygon to be tessellated.
std::vector< int > &	contours ()
	The contours that specify the complex polygon to be tessellated.
const std::vector< fvec3 > &	tessellatedTris () const
	A set of triangles representing the tessellated polygon.
std::vector< fvec3 > &	tessellatedTris ()
	A set of triangles representing the tessellated polygon.
void	setTessNormal (const fvec3 &normal)
	See gluTessNormal documentation.
const fvec3 &	tessNormal () const
	See gluTessNormal documentation.
void	setBoundaryOnly (bool on)
	See gluTessProperty documentation (GLU_TESS_BOUNDARY_ONLY)
bool	boundaryOnly () const
	See gluTessProperty documentation (GLU_TESS_BOUNDARY_ONLY)
double	tolerance () const
	See gluTessProperty documentation (GLU_TESS_TOLERANCE)
void	setTolerance (double tolerance)
	See gluTessProperty documentation (GLU_TESS_TOLERANCE)
ETessellationWinding	windingRule () const
	See gluTessProperty documentation (GLU_TESS_WINDING_RULE)
void	setWindingRule (ETessellationWinding rule)
	See gluTessProperty documentation (GLU_TESS_WINDING_RULE)
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.
void	setTessellateIntoSinglePolygon (bool on)
bool	tessellateIntoSinglePolygon () const
Protected Member Functions
void	freeCombinedVertices ()
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

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 ( )

Constructor.

Definition at line 37 of file Tessellator.cpp.

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

Tessellator::~Tessellator ( )

Destructor.

Definition at line 47 of file Tessellator.cpp.

References freeCombinedVertices().

Member Function Documentation

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().

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.

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().

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.

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(), and tessellate().

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

A set of triangles representing the tessellated polygon.

Definition at line 79 of file Tessellator.hpp.

void vl::Tessellator::setTessNormal ( const fvec3 & normal ) [inline]

See gluTessNormal documentation.

Definition at line 82 of file Tessellator.hpp.

const fvec3& vl::Tessellator::tessNormal ( ) const [inline]

See gluTessNormal documentation.

Definition at line 85 of file Tessellator.hpp.

Referenced by tessellate().

void vl::Tessellator::setBoundaryOnly ( bool on ) [inline]

See gluTessProperty documentation (GLU_TESS_BOUNDARY_ONLY)

Definition at line 88 of file Tessellator.hpp.

bool vl::Tessellator::boundaryOnly ( ) const [inline]

See gluTessProperty documentation (GLU_TESS_BOUNDARY_ONLY)

Definition at line 91 of file Tessellator.hpp.

Referenced by tessellate().

double vl::Tessellator::tolerance ( ) const [inline]

See gluTessProperty documentation (GLU_TESS_TOLERANCE)

Definition at line 94 of file Tessellator.hpp.

Referenced by tessellate().

void vl::Tessellator::setTolerance ( double tolerance ) [inline]

See gluTessProperty documentation (GLU_TESS_TOLERANCE)

Definition at line 97 of file Tessellator.hpp.

ETessellationWinding vl::Tessellator::windingRule ( ) const [inline]

See gluTessProperty documentation (GLU_TESS_WINDING_RULE)

Definition at line 100 of file Tessellator.hpp.

Referenced by tessellate().

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().

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(), and 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::ref< T >::get(), mTessellatedTris, NULL, vl::PT_TRIANGLES, and tessellate().

void vl::Tessellator::setTessellateIntoSinglePolygon ( bool on ) [inline]

Definition at line 118 of file Tessellator.hpp.

bool vl::Tessellator::tessellateIntoSinglePolygon ( ) const [inline]

Definition at line 120 of file Tessellator.hpp.

Referenced by tessellate().

void CALLBACK Tessellator::tessBeginData	(	GLenum	type,
		Tessellator *	tessellator
	)		`[static, protected]`

Definition at line 175 of file Tessellator.cpp.

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

Referenced by tessellate().

void CALLBACK Tessellator::tessVertexData	(	dvec3 *	vec,
		Tessellator *	tessellator
	)		`[static, protected]`

Definition at line 197 of file Tessellator.cpp.

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

Referenced by tessellate().

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