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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  *
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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  *
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19  *
20  * See http://www.coin3d.org/ for more information.
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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 
32 class SoLight;
33 
34 class COIN_DLL_API SoLightElement : public SoAccumulatedElement {
36 
37  SO_ELEMENT_HEADER(SoLightElement);
38 public:
39  static void initClass(void);
40 protected:
41  virtual ~SoLightElement();
42 
43 public:
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 
52 protected:
55 
56 private:
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
virtual void init(SoState *state)
Definition: SoAccumulatedElement.cpp:66
SoElement is the abstract base class for all elements.
Definition: SoElement.h:34
The SoState class manages the Coin scenegraph traversal state data.The SoState class is used by actio...
Definition: SoState.h:35
The SoLightElement class manages the currently active light sources.
Definition: SoLightElement.h:34
The SbMatrix class is a 4x4 dimensional representation of a matrix.SbMatrix is used by many other cla...
Definition: SbMatrix.h:37
The SoAccumulatedElement class is an abstract class for storing accumulated state.This is the superclass of elements where new element data accumulates with older data.
Definition: SoAccumulatedElement.h:30
The SoNodeList class is a container for pointers to SoNode objects.
Definition: SoNodeList.h:31
virtual void push(SoState *state)
Definition: SoAccumulatedElement.cpp:74
The SoLight class is the base class for light emitting nodes.This node type is abstract and does not ...
Definition: SoLight.h:32
SbList< SbMatrix > * matrixlist
Definition: SoLightElement.h:54
SoNodeList lights
Definition: SoLightElement.h:53

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