BezierCubicPatch Class Reference

Cubic Bézier patches. More...

#include <bezier.h>

Inheritance diagram for BezierCubicPatch:

Public Member Functions
	BezierCubicPatch ()
	Empty.
	BezierCubicPatch (const QVector< Vector > &)
	Create a Bézier patch.
	BezierCubicPatch (const Vector[16])
	Create a Bézier patch.
virtual Vector	Vertex (const double &, const double &) const
	Compute a point on the patch.
virtual Vector	Normal (const double &, const double &) const
	Compute the normal at a given point on the patch.
Vector	Vertex (int, int) const
	Return the control point.
Vector	operator() (int, int) const
	Return the control point.
Public Member Functions inherited from BezierPatch
	BezierPatch ()
	Empty.
	BezierPatch (int, int)
	Create a Bézier patch.
	BezierPatch (const QVector< Vector > &, int, int)
	Create a Bézier patch.
virtual void	Tangents (const double &, const double &, Vector &, Vector &) const
	Compute the partial derivatives at a given point on the patch.
Vector	Vertex (int, int) const
	Return the control point.
Vector	operator() (int, int) const
	Return the control point.
Box	GetBox () const
	Compute the bouding box.
Mesh	GetMesh (int, int) const
	Create the mesh of the patch.
void	Rotate (const Matrix &)
	Rotates a patch.
void	Translate (const Vector &)
	Translation.
void	Scale (const Vector &)
	Scale.

Protected Member Functions
constexpr int	Index (int, int) const
	Compute the linear index of a control point.
Protected Member Functions inherited from BezierPatch
constexpr int	Index (int, int) const
	Compute the linear index of a control point.

Additional Inherited Members
Protected Attributes inherited from BezierPatch
QVector< Vector >	c
	Array of control points.
int	ny = 0
	Array size.

Detailed Description

Cubic Bézier patches.

Constructor & Destructor Documentation

BezierCubicPatch() [1/2]

BezierCubicPatch::BezierCubicPatch ( const QVector< Vector > & c )

explicit

Create a Bézier patch.

Parameters

c	Set of 4×4control points.

BezierCubicPatch() [2/2]

BezierCubicPatch::BezierCubicPatch ( const Vector c[16] )

explicit

Create a Bézier patch.

Parameters

c	Array of 4×4 control points.

Member Function Documentation

Index()

int BezierCubicPatch::Index ( int i, int j ) const

inlineconstexprprotected

Compute the linear index of a control point.

Parameters

i,j	Control point indexes.

Normal()

Vector BezierCubicPatch::Normal ( const double & u, const double & v ) const

virtual

Compute the normal at a given point on the patch.

Parameters

u,v	Coordinates.

Reimplemented from BezierPatch.

operator()()

Vector BezierCubicPatch::operator()	(	int	i,
		int	j ) const

Return the control point.

Parameters

i,j

Indexes.

Vertex() [1/2]

Vector BezierCubicPatch::Vertex ( const double & u, const double & v ) const

virtual

Compute a point on the patch.

Parameters

u,v	Coordinates.

Reimplemented from BezierPatch.

Vertex() [2/2]

Vector BezierCubicPatch::Vertex	(	int	i,
		int	j ) const

Return the control point.

Parameters

i,j

Indexes.