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NAME

       SoPointLightManip -

       The SoPointLightManip class is used to manipulate point light nodes.

SYNOPSIS

       #include <Inventor/manips/SoPointLightManip.h>

       Inherits SoPointLight.

   Public Member Functions
       virtual SoType getTypeId (void) const
           Returns the type identification of an object derived from a class inheriting SoBase.
           This is used for run-time type checking and 'downward' casting.
       SoPointLightManip (void)
       SoDragger * getDragger (void)
       SbBool replaceNode (SoPath *path)
       SbBool replaceManip (SoPath *path, SoPointLight *newone) const
       virtual void doAction (SoAction *action)
       virtual void callback (SoCallbackAction *action)
       virtual void GLRender (SoGLRenderAction *action)
       virtual void getBoundingBox (SoGetBoundingBoxAction *action)
       virtual void getMatrix (SoGetMatrixAction *action)
       virtual void handleEvent (SoHandleEventAction *action)
       virtual void pick (SoPickAction *action)
       virtual void search (SoSearchAction *action)
       virtual SoChildList * getChildren (void) const

   Static Public Member Functions
       static SoType getClassTypeId (void)
       static void initClass (void)

   Protected Member Functions
       virtual const SoFieldData * getFieldData (void) const
       virtual ~SoPointLightManip (void)
       void setDragger (SoDragger *newdragger)
       virtual void copyContents (const SoFieldContainer *fromfc, SbBool copyconnections)

   Static Protected Member Functions
       static const SoFieldData ** getFieldDataPtr (void)
       static void transferFieldValues (const SoPointLight *from, SoPointLight *to)
       static void valueChangedCB (void *f, SoDragger *d)
       static void fieldSensorCB (void *f, SoSensor *d)

   Protected Attributes
       SoFieldSensor * locationFieldSensor
       SoFieldSensor * colorFieldSensor
       SoChildList * children

   Additional Inherited Members

Detailed Description

       The SoPointLightManip class is used to manipulate point light nodes.

       A manipulator is used by replacing the node you want to edit in the graph with the
       manipulator. Draggers are used to to manipulate the node. When manipulation is finished,
       the node is put back into the graph, replacing the manipulator.

Constructor & Destructor Documentation

   SoPointLightManip::SoPointLightManip (void)
       The constructor. Creates a default dragger.

   SoPointLightManip::~SoPointLightManip (void) [protected],  [virtual]
       The destructor.

Member Function Documentation

   SoType SoPointLightManip::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.

       Reimplemented from SoPointLight.

   const SoFieldData * SoPointLightManip::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 SoPointLight.

   SoDragger * SoPointLightManip::getDragger (void)
       Returns the current dragger.

       See Also:
           setDragger()

   SbBool SoPointLightManip::replaceNode (SoPath *path)
       Replaces the node specified by path with this manipulator. The manipulator will copy the
       field data from the node, to make it affect the state in the same way as the node.

   SbBool SoPointLightManip::replaceManip (SoPath *path, SoPointLight *newone) const
       Replaces this manipulator from the position specified by path with newnode. If newnode is
       NULL, an SoPointLight will be created for you.

   void SoPointLightManip::doAction (SoAction *action) [virtual]
       This function performs the typical operation of a node for any action.

       Reimplemented from SoNode.

   void SoPointLightManip::callback (SoCallbackAction *action) [virtual]
       Action method for SoCallbackAction.

       Simply updates the state according to how the node behaves for the render action, so the
       application programmer can use the SoCallbackAction for extracting information about the
       scene graph.

       Reimplemented from SoLight.

   void SoPointLightManip::GLRender (SoGLRenderAction *action) [virtual]
       Action method for the SoGLRenderAction.

       This is called during rendering traversals. Nodes influencing the rendering state in any
       way or who wants to throw geometry primitives at OpenGL overrides this method.

       Reimplemented from SoPointLight.

   void SoPointLightManip::getBoundingBox (SoGetBoundingBoxAction *action) [virtual]
       Action method for the SoGetBoundingBoxAction.

       Calculates bounding box and center coordinates for node and modifies the values of the
       action to encompass the bounding box for this node and to shift the center point for the
       scene more towards the one for this node.

       Nodes influencing how geometry nodes calculates their bounding box also overrides this
       method to change the relevant state variables.

       Reimplemented from SoNode.

   void SoPointLightManip::getMatrix (SoGetMatrixAction *action) [virtual]
       Action method for SoGetMatrixAction.

       Updates action by accumulating with the transformation matrix of this node (if any).

       Reimplemented from SoNode.

   void SoPointLightManip::handleEvent (SoHandleEventAction *action) [virtual]
       Action method for SoHandleEventAction.

       Inspects the event data from action, and processes it if it is something which this node
       should react to.

       Nodes influencing relevant state variables for how event handling is done also overrides
       this method.

       Reimplemented from SoNode.

   void SoPointLightManip::pick (SoPickAction *action) [virtual]
       Action method for SoPickAction.

       Does common processing for SoPickAction action instances.

       Reimplemented from SoNode.

   void SoPointLightManip::search (SoSearchAction *action) [virtual]
       Action method for SoSearchAction.

       Compares the search criteria from the action to see if this node is a match. Searching is
       done by matching up all criteria set up in the SoSearchAction -- if any of the requested
       criteria is a miss, the search is not deemed successful for the node.

       See Also:
           SoSearchAction

       Reimplemented from SoNode.

   SoChildList * SoPointLightManip::getChildren (void) const [virtual]
       Returns the children of this node. This node only has the dragger as a child.

       Reimplemented from SoNode.

   void SoPointLightManip::setDragger (SoDragger *newdragger) [protected]
       The method can be used to replace the dragger with your own dragger.

   void SoPointLightManip::copyContents (const SoFieldContainer *from, SbBoolcopyconnections)
       [protected],  [virtual]
       Makes a deep copy of all data of from into this instance, except external scenegraph
       references if copyconnections is FALSE.

       This is the method that should be overridden by extension node / engine / dragger /
       whatever subclasses which needs to account for internal data that are not handled
       automatically.

       For copying nodes from application code, you should not invoke this function directly, but
       rather call the SoNode::copy() function:

       SoNode * mynewnode = templatenode->copy();

       The same also goes for engines.

       Make sure that when you override the copyContents() method in your extension class that
       you also make it call upwards to it's parent superclass in the inheritance hierarchy, as
       copyContents() in for instance SoNode and SoFieldContainer does important work. It should
       go something like this:

       void
       MyCoinExtensionNode::copyContents(const SoFieldContainer * from,
                                         SbBool copyconnections)
       {
         // let parent superclasses do their thing (copy fields, copy
         // instance name, etc etc)
         SoNode::copyContents(from, copyconnections);

         // [..then copy internal data..]
       }

       Reimplemented from SoNode.

   void SoPointLightManip::transferFieldValues (const SoPointLight *from, SoPointLight *to)
       [static],  [protected]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer. Copies field values.

   void SoPointLightManip::valueChangedCB (void *m, SoDragger *dragger) [static],  [protected]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer.

   void SoPointLightManip::fieldSensorCB (void *m, SoSensor *d) [static],  [protected]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer.

Member Data Documentation

   SoFieldSensor * SoPointLightManip::locationFieldSensor [protected]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer.

   SoFieldSensor * SoPointLightManip::colorFieldSensor [protected]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer.

   SoChildList * SoPointLightManip::children [protected]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer.

Author

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