SoFloatElement Class Reference

Subclasses store a single float, int, or enum value. More...

#include <Inventor/elements/SoFloatElement.h>

Inheritance diagram for SoFloatElement:

Public Member Functions
virtual bool	matches (const SoElement *elt) const
	Comparison based on value of floats.
virtual SoElement *	copyMatchInfo () const
	Copy method, takes care copying the data.
virtual void	print (FILE *fp) const
	Prints element (for debugging)
Public Member Functions inherited from SoElement
virtual void	init (SoState *state)
	Initializes element.
virtual void	push (SoState *state)
	Pushes/pops element.
virtual void	pop (SoState *state, const SoElement *prevTopElement)
virtual void	print (FILE *fp) const
	Prints element (for debugging)
virtual bool	matches (const SoElement *elt) const =0
	Returns TRUE if the element matches another element (of the same class, presumably) with respect to cache validity.
virtual SoElement *	copyMatchInfo () const =0
	Create a copy that we can put in a cache used list and call matches() on later.
SoType	getTypeId () const
	Returns type identifier for element instance.
int	getStackIndex () const
	Returns the stack index for an element instance.
void	setDepth (int dpth)
	Sets stuff in an element instance.
void	setNext (SoElement *nxt)
void	setNextInStack (SoElement *nxt)
void	setNextFree (SoElement *nxt)
int	getDepth () const
	Returns stuff from element instance.
SoElement *	getNext () const
virtual	~SoElement ()
	Destructor.

Static Public Member Functions
static void	initClass ()
	Initializes the SoFloatElement class.
Static Public Member Functions inherited from SoElement
static SoType	getClassTypeId ()
	Returns type identifier for SoElement class.
static void	initElements ()
	Initialize ALL Inventor element classes.
static void	initClass ()
	Initializes the SoElement class.
static int	getNumStackIndices ()
	Returns the number of stack indices allocated.
static SoType	getIdFromStackIndex (int stackIndex)
	Returns the id for the element with the given stack index.

Protected Member Functions
virtual void	setElt (float value)
	Virtual set that subclasses can override to implement side-effect behaviors.
virtual	~SoFloatElement ()
	Destructor.
Protected Member Functions inherited from SoElement
	SoElement ()
	Constructor; use typeId.createInstance to create elements.
void	capture (SoState *state) const
	Does whatever is necessary in state to capture this element for caching purposes.
virtual void	captureThis (SoState *state) const
	Really captures this element, once it has been determined that a cache is open to capture it.
void	setTypeId (SoType id)
	Sets typeId in instance.
void	setStackIndex (int index)
	Sets stackIndex in instance.
SoElement *	getNextInStack () const
	Returns next instance in specific element stack.
SoElement *	getNextFree () const
	Returns next free element in a specific element stack.

Static Protected Member Functions
static void	set (int stackIndex, SoState *state, float value)
	Set value.
static float	get (int stackIndex, SoState *state)
	Get value.
Static Protected Member Functions inherited from SoElement
static SoElement *	getElement (SoState *state, int stackIndex)
	Returns an instance of an element from the stack with the given index in the given state.
static const SoElement *	getConstElement (SoState *state, int stackIndex)
	Returns a read-only pointer to the top instance in the given element stack.
static int	createStackIndex (SoType id)
	Creates and returns a new stack index.

Protected Attributes
float	data
	Storage for data.

Additional Inherited Members
Static Protected Attributes inherited from SoElement
static int	classStackIndex
	Stack index for SoElement class.

Detailed Description

This class defines generic matches() and copy() methods.

Definition at line 76 of file SoFloatElement.h.

Constructor & Destructor Documentation

~SoFloatElement()

virtual SoFloatElement::~SoFloatElement ( )

protectedvirtual

Member Function Documentation

copyMatchInfo()

virtual SoElement * SoFloatElement::copyMatchInfo ( ) const

virtual

Implements SoElement.

get()

static float SoFloatElement::get ( int  stackIndex, SoState *  state  )

inlinestaticprotected

Derived classes have static inline methods to pass in the stackIndex and cast the returned value to the right type.

Definition at line 108 of file SoFloatElement.h.

References SoElement::getConstElement().

Referenced by SoComplexityElement::get(), SoCreaseAngleElement::get(), SoFocalDistanceElement::get(), SoFontSizeElement::get(), SoLineWidthElement::get(), SoPointSizeElement::get(), and SoTextureQualityElement::get().

initClass()

static void SoFloatElement::initClass ( )

static

matches()

virtual bool SoFloatElement::matches ( const SoElement *  elt ) const

virtual

Implements SoElement.

print()

virtual void SoFloatElement::print ( FILE *  fp ) const

virtual

Reimplemented from SoElement.

Reimplemented in SoCreaseAngleElement.

set()

static void SoFloatElement::set ( int  stackIndex, SoState *  state, float  value  )

staticprotected

Derived classes have static inline methods that pass in the stack index and cast their type into a float. This just gets an appropriate instance and calls the virtual set.

Referenced by SoCreaseAngleElement::set(), SoComplexityElement::set(), SoFocalDistanceElement::set(), SoTextureQualityElement::set(), SoFontSizeElement::set(), SoPointSizeElement::set(), SoLineWidthElement::set(), SoCreaseAngleElement::set(), SoComplexityElement::set(), SoFocalDistanceElement::set(), SoFontSizeElement::set(), SoPointSizeElement::set(), and SoLineWidthElement::set().

setElt()

virtual void SoFloatElement::setElt ( float  value )

protectedvirtual

Reimplemented in SoGLPointSizeElement, and SoGLLineWidthElement.

Member Data Documentation

data

float SoFloatElement::data

protected

Definition at line 113 of file SoFloatElement.h.

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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/elements/SoFloatElement.h