INodeDisplayControl Class Reference

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#include <nodedisp.h>

Inheritance diagram for INodeDisplayControl:

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Class Description

See also:

Class InterfaceServer, Class NodeDisplayCallback, Class INode.

Description:

This class is an interface that is used to register the node display callback. To get a pointer to this interface the developer should use the following macro:

#define GetNodeDisplayControl(i) ((INodeDisplayControl*)i->GetInterface(I_NODEDISPLAYCONTROL))

Public Member Functions
virtual void	RegisterNodeDisplayCallback (NodeDisplayCallback *cb)=0
virtual void	UnRegisterNodeDisplayCallback (NodeDisplayCallback *cb)=0
virtual bool	SetNodeCallback (NodeDisplayCallback *hook)=0
virtual NodeDisplayCallback *	GetNodeCallback ()=0
virtual void	InvalidateNodeDisplay ()=0

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Member Function Documentation

virtual void RegisterNodeDisplayCallback

(

NodeDisplayCallback *

cb

)

[pure virtual]

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Remarks:

Register a node display callback which can be used to control the display of nodes in the scene.

Parameters:

NodeDisplayCallback *cb

Points to the callback object.

virtual void UnRegisterNodeDisplayCallback

(

NodeDisplayCallback *

cb

)

[pure virtual]

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Remarks:

Un-registers the node display callback.

Parameters:

NodeDisplayCallback *cb

Points to the callback object.

virtual bool SetNodeCallback

(

NodeDisplayCallback *

hook

)

[pure virtual]

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Remarks:

Sets the current current callback. The callback must be previously registered.

Parameters:

NodeDisplayCallback* hook

Points to the node display callback to set.

Returns:

Returns true if the callback was set; otherwise false.

virtual NodeDisplayCallback* GetNodeCallback

(

)

[pure virtual]

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Remarks:

Returns a pointer to the current current callback. The callback must be previously registered.

virtual void InvalidateNodeDisplay

(

)

[pure virtual]

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Remarks:

Viewport refresh routine. Tthis function only invalidates the display, it's up to the callback to select the correct redraw technique.