SoProtoInstance - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 3.1.3
Note : Coin
NAMESoProtoInstance − The SoProtoInstance class handles PROTO instances.
SYNOPSIS
#include <Inventor/misc/SoProtoInstance.h> Inherits SoNode.
Public Member Functionsvirtual SoType getTypeId (void) const
SoProtoInstance (SoProto *proto, const SoFieldData *deffielddata)
void setRootNode (SoNode *root)
SoNode * getRootNode (void)
SoProto * getProtoDefinition (void) const
SbName getProtoName (void) const
virtual void write (SoWriteAction *action)
Static Public Member Functionsstatic SoType getClassTypeId (void)
static void initClass (void)
static SoProtoInstance * findProtoInstance (const SoNode *rootnode)
Protected Member Functionsvirtual const SoFieldData * getFieldData (void) const
virtual ~SoProtoInstance ()
virtual SbBool readInstance (SoInput *in, unsigned short flags)
virtual const char * getFileFormatName (void) const
Additional Inherited Members
Detailed DescriptionThe SoProtoInstance class handles PROTO instances. See also SoProto
Constructor & Destructor Documentation
SoProtoInstance::SoProtoInstance (SoProto * proto, const SoFieldData * deffielddata)Constructor.
SoProtoInstance::~SoProtoInstance () [protected], [virtual]Destructor.
Member Function Documentation
SoType SoProtoInstance::getTypeId (void) const [virtual]Returns the type identification of an object derived from a class inheriting SoBase. This is used for run-time type checking and 'downward' casting. Usage example: void foo(SoNode * node)
{
if (node->getTypeId() == SoFile::getClassTypeId()) {
SoFile * filenode = (SoFile *)node; // safe downward cast, knows the type
}
}For application programmers wanting to extend the library with new nodes, engines, nodekits, draggers or others: this method needs to be overridden in all subclasses. This is typically done as part of setting up the full type system for extension classes, which is usually accomplished by using the pre-defined macros available through for instance Inventor/nodes/SoSubNode.h (SO_NODE_INIT_CLASS and SO_NODE_CONSTRUCTOR for node classes), Inventor/engines/SoSubEngine.h (for engine classes) and so on. For more information on writing Coin extensions, see the class documentation of the toplevel superclasses for the various class groups. Implements SoBase.
const SoFieldData * SoProtoInstance::getFieldData (void) const [protected], [virtual]Returns a pointer to the class-wide field data storage object for this instance. If no fields are present, returns NULL. Reimplemented from SoFieldContainer.
SoProtoInstance * SoProtoInstance::findProtoInstance (const SoNode * rootnode) [static]Given root node rootnode, return the PROTO instance, or NULL if rootnode is not a PROTO instance root node.
void SoProtoInstance::setRootNode (SoNode * root)Sets the root node for this instance.
SoNode * SoProtoInstance::getRootNode (void)Returns the instance root node.
SoProto * SoProtoInstance::getProtoDefinition (void) constReturns the PROTO definition for this instance.
SbName SoProtoInstance::getProtoName (void) constReturns the PROTO defintion name.
void SoProtoInstance::write (SoWriteAction * action) [virtual]Action method for SoWriteAction. Writes out a node object, and any connected nodes, engines etc, if necessary. Reimplemented from SoNode.
SbBool SoProtoInstance::readInstance (SoInput * in, unsigned short flags) [protected], [virtual]This method is mainly intended for internal use during file import operations. It reads a definition of an instance from the input stream in. The input stream state points to the start of a serialized / persistant representation of an instance of this class type. TRUE or FALSE is returned, depending on if the instantiation and configuration of the new object of this class type went ok or not. The import process should be robust and handle corrupted input streams by returning FALSE. flags is used internally during binary import when reading user extension nodes, group nodes or engines. Reimplemented from SoNode.
const char * SoProtoInstance::getFileFormatName (void) const [protected], [virtual]Returns the class name this object should be written under. Default string returned is the name of the class from the type system. User extensions nodes and engines override this method to return the name of the extension (instead of 'UnknownNode' or 'UnknownEngine'). Reimplemented from SoBase.
AuthorGenerated automatically by Doxygen for Coin from the source code. 0
Johanes Gumabo
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