SbBox2f Class Reference

2D box class. More...

#include <Inventor/SbBox.h>

Public Member Functions
	SbBox2f ()
	Constructs an empty box.
	SbBox2f (float xmin, float ymin, float xmax, float ymax)
	Constructor given bounds.
	SbBox2f (const SbVec2f &_min, const SbVec2f &_max)
	Constructor given minimum and maximum points.
	~SbBox2f ()
	Destructor.
const SbVec2f &	getMin () const
	Returns the minimum and maximum points of the box.
const SbVec2f &	getMax () const
	Returns the minimum and maximum points of the box.
SbVec2f	getCenter () const
	Returns the center of the box.
void	extendBy (const SbVec2f &pt)
	Extends Box2f (if necessary) to contain given 2D point.
void	extendBy (const SbBox2f &r)
	Extends Box2f (if necessary) to contain given Box2f.
bool	intersect (const SbVec2f &pt) const
	Returns TRUE if intersection of given point and Box2f is not empty.
bool	intersect (const SbBox2f &bb) const
	Returns TRUE if intersection of given Box2f and Box2f is not empty.
void	setBounds (float xmin, float ymin, float xmax, float ymax)
	Sets the corners of the box.
void	setBounds (const SbVec2f &_min, const SbVec2f &_max)
void	getBounds (float &xmin, float &ymin, float &xmax, float &ymax) const
void	getBounds (SbVec2f &_min, SbVec2f &_max) const
SbVec2f	getClosestPoint (const SbVec2f &point)
	Returns the closest point on the box to the given point.
void	getOrigin (float &originX, float &originY) const
	Gets box origin.
void	getSize (float &sizeX, float &sizeY) const
	Gets box size.
float	getAspectRatio () const
	Gets box aspect ratio.
void	makeEmpty ()
	Makes an empty box.
bool	isEmpty () const
	Returns TRUE if the box is empty, and FALSE otherwise.
bool	hasArea () const
	Returns TRUE if both dimensions of the box have positive size, and FALSE otherwise.

Friends
INVENTOR_API bool	operator== (const SbBox2f &b1, const SbBox2f &b2)
	Equality comparisons.
INVENTOR_API bool	operator!= (const SbBox2f &b1, const SbBox2f &b2)

Detailed Description

2D box which has planes parallel to the major axes and is specified by two points (specified as floating point) on a diagonal. This class is part of the standard Inventor datatype classes and is used as input and output to geometry operations.

See Also

SbBox3f, SbXfBox3f, SbBox2s, SbVec3f, SbVec2f, SbVec2s, SbMatrix

Definition at line 372 of file SbBox.h.

Constructor & Destructor Documentation

SbBox2f() [1/3]

SbBox2f::SbBox2f ( )

inline

Definition at line 376 of file SbBox.h.

SbBox2f() [2/3]

SbBox2f::SbBox2f ( float  xmin, float  ymin, float  xmax, float  ymax  )

inline

Definition at line 379 of file SbBox.h.

SbBox2f() [3/3]

SbBox2f::SbBox2f ( const SbVec2f &  _min, const SbVec2f &  _max  )

inline

Definition at line 383 of file SbBox.h.

~SbBox2f()

SbBox2f::~SbBox2f ( )

inline

Definition at line 387 of file SbBox.h.

Member Function Documentation

extendBy() [1/2]

void SbBox2f::extendBy

(

const SbBox2f &

r

)

extendBy() [2/2]

void SbBox2f::extendBy

(

const SbVec2f &

pt

)

getAspectRatio()

float SbBox2f::getAspectRatio ( ) const

inline

Definition at line 436 of file SbBox.h.

getBounds() [1/2]

void SbBox2f::getBounds ( float &  xmin, float &  ymin, float &  xmax, float &  ymax  ) const

inline

Definition at line 416 of file SbBox.h.

getBounds() [2/2]

void SbBox2f::getBounds ( SbVec2f &  _min, SbVec2f &  _max  ) const

inline

Definition at line 420 of file SbBox.h.

getCenter()

SbVec2f SbBox2f::getCenter

(

)

const

getClosestPoint()

SbVec2f SbBox2f::getClosestPoint

(

const SbVec2f &

point

)

(Returns the point on the center of the X side if passed the center.)

getMax()

const SbVec2f & SbBox2f::getMax ( ) const

inline

Definition at line 392 of file SbBox.h.

getMin()

const SbVec2f & SbBox2f::getMin ( ) const

inline

Definition at line 390 of file SbBox.h.

getOrigin()

void SbBox2f::getOrigin ( float &  originX, float &  originY  ) const

inline

Definition at line 428 of file SbBox.h.

getSize()

void SbBox2f::getSize ( float &  sizeX, float &  sizeY  ) const

inline

Definition at line 432 of file SbBox.h.

hasArea()

bool SbBox2f::hasArea ( ) const

inline

Definition at line 447 of file SbBox.h.

intersect() [1/2]

bool SbBox2f::intersect

(

const SbBox2f &

bb

)

const

intersect() [2/2]

bool SbBox2f::intersect

(

const SbVec2f &

pt

)

const

isEmpty()

bool SbBox2f::isEmpty ( ) const

inline

Definition at line 443 of file SbBox.h.

makeEmpty()

void SbBox2f::makeEmpty

(

)

setBounds() [1/2]

void SbBox2f::setBounds ( const SbVec2f &  _min, const SbVec2f &  _max  )

inline

Definition at line 413 of file SbBox.h.

setBounds() [2/2]

void SbBox2f::setBounds ( float  xmin, float  ymin, float  xmax, float  ymax  )

inline

Definition at line 410 of file SbBox.h.

Friends And Related Symbol Documentation

operator!=

INVENTOR_API bool operator!= ( const SbBox2f &  b1, const SbBox2f &  b2  )

friend

Definition at line 460 of file SbBox.h.

operator==

INVENTOR_API bool operator== ( const SbBox2f &  b1, const SbBox2f &  b2  )

friend

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

• C:/jh/mevislab/4.0.2_1/build/MeVis/ThirdParty/Sources/Inventor/include/Inventor/SbBox.h