SoAccumulatedElement - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 4.0.0
Note : Coin
NAMESoAccumulatedElement − The SoAccumulatedElement class is an abstract class for storing accumulated state​.
SYNOPSIS
#include <Inventor/elements/SoAccumulatedElement​.h> Inherits SoElement​. Inherited by SoBumpMapMatrixElement, SoClipPlaneElement, SoLightElement, SoModelMatrixElement, SoMultiTextureMatrixElement, SoProfileElement, and SoVertexAttributeElement​.
Public Member Functionsvirtual SbBool matches (const SoElement *element) const
Static Public Member Functionsstatic SoType getClassTypeId (void)
static int getClassStackIndex (void)
static void initClass (void)
Protected Member Functionsvirtual void init (SoState *state)
virtual void push (SoState *state)
void clearNodeIds (void)
void addNodeId (const SoNode *const node)
void setNodeId (const SoNode *const node)
void copyNodeIds (const SoAccumulatedElement *copyfrom)
virtual SoElement * copyMatchInfo (void) const
virtual void captureThis (SoState *state) const
Protected AttributesSbList< SbUniqueId > nodeIds
Additional Inherited Members
Detailed DescriptionThe SoAccumulatedElement class is an abstract class for storing accumulated state​. This is the superclass of elements where new element data accumulates with older data​. The element stores node id values for all nodes accumulated during traversal for the current state​. These id values are used to determine when to invalidate caches​. See also SoReplacedElement, SoFloatElement, SoInt32Element
Member Function Documentation
SbBool SoAccumulatedElement::matches (const SoElement * element) const [virtual]This function returns TRUE is the element matches another element (of the same class), with respect to cache validity​. If the application programmer's extension element has a matches() function, it should also have a copyMatchInfo() function​. Implements SoElement​. Reimplemented in SoModelMatrixElement​.
void SoAccumulatedElement::init (SoState * state) [protected], [virtual]This function initializes the element type in the given SoState​. It is called for the first element of each enabled element type in SoState objects​. Reimplemented from SoElement​. Reimplemented in SoVertexAttributeElement, SoProfileElement, SoMultiTextureMatrixElement, SoModelMatrixElement, SoLightElement, SoGLVertexAttributeElement, SoGLMultiTextureMatrixElement, SoGLModelMatrixElement, SoGLClipPlaneElement, SoClipPlaneElement, SoBumpMapMatrixElement, and SoBBoxModelMatrixElement​.
void SoAccumulatedElement::push (SoState * state) [protected], [virtual]This method is called every time a new element is required in one of the stacks​. This happens when a writable element is requested, using SoState::getElement() or indirectly SoElement::getElement(), and the depth of the current element is less than the state depth​. Override this method if your element needs to copy data from the previous top of stack​. The push() method is called on the new element, and the previous element can be found using SoElement::getNextInStack()​. Reimplemented from SoElement​. Reimplemented in SoVertexAttributeElement, SoProfileElement, SoMultiTextureMatrixElement, SoModelMatrixElement, SoLightElement, SoGLMultiTextureMatrixElement, SoGLModelMatrixElement, SoClipPlaneElement, SoBumpMapMatrixElement, and SoBBoxModelMatrixElement​.
void SoAccumulatedElement::clearNodeIds (void) [protected]Empty the list of node ids​.
void SoAccumulatedElement::addNodeId (const SoNode *const node) [protected]Add the node id of node to the list of node ids​.
void SoAccumulatedElement::setNodeId (const SoNode *const node) [protected]Empty the list of node ids, and add the id of node​.
void SoAccumulatedElement::copyNodeIds (const SoAccumulatedElement * copyfrom) [protected]Convenience method which copies the node ids from copyfrom to this element​. This function is an extension for Coin, and it is not available in the original SGI Open Inventor v2​.1 API​.
SoElement * SoAccumulatedElement::copyMatchInfo (void) const [protected], [virtual]This function creates a copy of the element that contains enough information to enable the matches() function to work​. Used to help with scenegraph traversal caching operations​. Implements SoElement​.
void SoAccumulatedElement::captureThis (SoState * state) const [protected], [virtual]Adds the element to the cache​. Reimplemented from SoElement​.
Member Data Documentation
SoAccumulatedElement::nodeIds [protected]Stores the internal list of node id values for nodes accumulated on the stack for the element​.
AuthorGenerated automatically by Doxygen for Coin from the source code​. 0
Johanes Gumabo
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