Open Inventor Release 2024.1.3
 
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SoSpotLightManip.h
1/*=======================================================================
2 * Copyright 1991-1996, Silicon Graphics, Inc.
3 * ALL RIGHTS RESERVED
4 *
5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United
6 * States. Use of a copyright notice is precautionary only and does not
7 * imply publication or disclosure.
8 *
9 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
10 * Use, duplication or disclosure by the Government is subject to restrictions
11 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
12 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
13 * in similar or successor clauses in the FAR, or the DOD or NASA FAR
14 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc.,
15 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
16 *
17 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
18 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
19 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
20 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
21 * GRAPHICS, INC.
22**=======================================================================*/
23/*=======================================================================
24** Author : SGI (MMM YYYY)
25**=======================================================================*/
26/*=======================================================================
27 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
28 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
29 *** ***
30 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
31 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
32 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
33 *** ***
34 *** RESTRICTED RIGHTS LEGEND ***
35 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
36 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
37 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
38 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
39 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
40 *** ***
41 *** COPYRIGHT (C) 1996-2014 BY FEI S.A.S, ***
42 *** BORDEAUX, FRANCE ***
43 *** ALL RIGHTS RESERVED ***
44**=======================================================================*/
45/*=======================================================================
46** Modified by : VSG (MMM YYYY)
47**=======================================================================*/
49//
50// Description:
51// This file defines a manipulator for a spot light nodes.
52// It is subclassed from SoSpotLight.
53//
55
56
57#ifndef _SO_SPOT_LIGHT_MANIP_
58#define _SO_SPOT_LIGHT_MANIP_
59
60#include <Inventor/SbLinear.h>
61#include <Inventor/draggers/SoDragger.h>
62#include <Inventor/nodes/SoSpotLight.h>
63#include <Inventor/sensors/SoFieldSensor.h>
64
65
162{
163 SO_NODE_HEADER(SoSpotLightManip);
164
165 public:
170
178
198
199
218
219 private:
220
221 // These functions implement all actions for nodekits.
222 // They first traverse the children, then use the SoSpotLight
223 // version of the actions. They traverse first so that the light
224 // will affect objects which follow it in the tree, but not the
225 // dragger-child.
226 virtual void doAction( SoAction *action );
227 virtual void callback( SoCallbackAction *action );
228 virtual void GLRender( SoGLRenderAction *action );
229 virtual void getBoundingBox( SoGetBoundingBoxAction *action );
230 virtual void getMatrix(SoGetMatrixAction *action );
231 virtual void handleEvent( SoHandleEventAction *action );
232 virtual void pick( SoPickAction *action );
233 virtual void search( SoSearchAction *action );
234 virtual void write( SoWriteAction *action );
235
236 private:
237
238 static void initClass();
239 static void exitClass();
240
241 virtual SoChildList *getChildren() const;
242 virtual bool isGroup() { return true; }
243
244 // Internal child management following inheritance of classes.
245 virtual void internalRemoveChild( int index );
246 virtual void internalRemoveChild( SoNode *child) { internalRemoveChild(internalFindChild(child)); }
247 virtual void internalRemoveAllChildren();
248 virtual void internalAddChild( SoNode *child );
249 virtual int internalFindChild( const SoNode *child ) const;
250 virtual void internalInsertChild( SoNode *child, int newChildIndex );
251 virtual SoNode *internalGetChild( int index) const { return (*children)[index]; }
252 virtual void internalReplaceChild( int index, SoNode *newChild);
253 virtual void internalReplaceChild( SoNode *oldChild, SoNode *newChild) { internalReplaceChild(internalFindChild(oldChild),newChild); }
254
255 // Redefines this to also copy the dragger
256 virtual void copyContents(const SoFieldContainer *fromFC,
257 SbBool copyConnections);
258
259 private:
260
261 static void transferFieldValues( const SoSpotLight *from,
262 SoSpotLight *to);
263
264 SoFieldSensor *locationFieldSensor;
265 SoFieldSensor *directionFieldSensor;
266 SoFieldSensor *angleFieldSensor;
267 SoFieldSensor *colorFieldSensor;
268 static void fieldSensorCB(void *, SoSensor *);
269 static void valueChangedCB(void *,SoDragger *);
270
271 void setDragger( SoDragger *newDragger );
272
273 SoChildList *children;
274 virtual SbBool readInstance(SoInput *in, unsigned short flags);
275 virtual SbBool readChildren(SoInput *in);
276
277 virtual ~SoSpotLightManip();
278
279 private:
280 int getNumChildren() const { return (children->getLength()); }
281};
282
283#endif /* _SO_SPOT_LIGHT_MANIP_ */
284
Abstract base class for all actions.
Definition SoAction.h:132
Performs a generic traversal of a scene graph or path.
Base class for nodekits that move in response to click-drag-release mouse events.
Definition SoDragger.h:537
Abstract base class for objects that contain fields.
Sensor class that can be attached to Open Inventor fields.
Renders a scene graph using Open Inventor's Render Engine.
Computes bounding box of a scene.
Computes transformation matrix for a subgraph.
Allows nodes in a graph to receive input events.
Used to read Open Inventor data files.
Definition SoInput.h:363
Abstract base class for all database nodes.
Definition SoNode.h:145
friend class SoChildList
Definition SoNode.h:473
Path that points to a list of hierarchical nodes.
Definition SoPath.h:187
Abstract base class for picking objects in a scene.
Searches for nodes in a scene graph.
Abstract base class for Open Inventor sensors.
Definition SoSensor.h:100
Node representing a spotlight source.
Spotlight node with 3D interface for editing location, direction, and beam width.
SbBool replaceManip(SoPath *p, SoSpotLight *newOne) const
Replaces the tail of the path, which must be this manipulator, with the given SoSpotLight node.
SoDragger * getDragger()
Returns the dragger being used by this manipulator.
SoSpotLightManip()
Constructor.
SbBool replaceNode(SoPath *p)
Replaces the tail of the path with this manipulator.
Writes a scene graph to a file.
int SbBool
Boolean type.
Definition SbBase.h:87