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SoLightElement.h
1#ifndef COIN_SOLIGHTELEMENT_H
2#define COIN_SOLIGHTELEMENT_H
3
4/**************************************************************************\
5 *
6 * This file is part of the Coin 3D visualization library.
7 * Copyright (C) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * ("GPL") version 2 as published by the Free Software Foundation.
12 * See the file LICENSE.GPL at the root directory of this source
13 * distribution for additional information about the GNU GPL.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
25\**************************************************************************/
26
27#include <Inventor/elements/SoAccumulatedElement.h>
28#include <Inventor/lists/SoNodeList.h>
29#include <Inventor/lists/SbList.h>
30#include <Inventor/SbMatrix.h>
31
32class SoLight;
33
34class COIN_DLL_API SoLightElement : public SoAccumulatedElement {
36
37 SO_ELEMENT_HEADER(SoLightElement);
38public:
39 static void initClass(void);
40protected:
41 virtual ~SoLightElement();
42
43public:
44 virtual void init(SoState * state);
45 virtual void push(SoState * state);
46 static void add(SoState * const state, SoLight * const light,
47 const SbMatrix & matrix);
48 static const SoNodeList & getLights(SoState * const state);
49 static const SbMatrix & getMatrix(SoState * const state,
50 const int index);
51
52protected:
54 SbList <SbMatrix> * matrixlist;
55
56private:
57
58 // dummy class needed to initialize didalloc when constructed.
59 class so_light_elem_flag {
60 public:
61 so_light_elem_flag(void) {
62 this->state = FALSE;
63 }
64 SbBool state;
65 };
66 so_light_elem_flag didalloc;
67};
68
69#endif // !COIN_SOLIGHTELEMENT_H
The SbMatrix class is a 4x4 dimensional representation of a matrix.
Definition SbMatrix.h:37
The SoAccumulatedElement class is an abstract class for storing accumulated state.
Definition SoAccumulatedElement.h:30
virtual void push(SoState *state)
Definition SoAccumulatedElement.cpp:74
virtual void init(SoState *state)
Definition SoAccumulatedElement.cpp:66
The SoLightElement class manages the currently active light sources.
Definition SoLightElement.h:34
SoNodeList lights
Definition SoLightElement.h:53
SbList< SbMatrix > * matrixlist
Definition SoLightElement.h:54
The SoLight class is the base class for light emitting nodes.
Definition SoLight.h:32
The SoNodeList class is a container for pointers to SoNode objects.
Definition SoNodeList.h:31
The SoState class manages the Coin scenegraph traversal state data.
Definition SoState.h:35

Copyright © 1998-2010 by Kongsberg Oil & Gas Technologies. All rights reserved.

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