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SoTextureCombineElement.h
1 #ifndef COIN_SOTEXTURECOMBINEELEMENT_H
2 #define COIN_SOTEXTURECOMBINEELEMENT_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/SoReplacedElement.h>
28 #include <Inventor/elements/SoTextureImageElement.h>
29 #include <Inventor/SbVec2s.h>
30 #include <Inventor/SbVec3s.h>
31 #include <Inventor/SbColor4f.h>
32 
33 class SoState;
34 class SoTextureCombineElementP;
35 
36 class COIN_DLL_API SoTextureCombineElement : public SoElement {
37  typedef SoElement inherited;
38 
39  SO_ELEMENT_HEADER(SoTextureCombineElement);
40 public:
41  static void initClass(void);
42 protected:
43  virtual ~SoTextureCombineElement();
44 
45 public:
46 
47  enum Source {
48  PRIMARY_COLOR = 0x8577,
49  TEXTURE = 0x1702,
50  CONSTANT = 0x8576,
51  PREVIOUS = 0x8578
52  };
53  enum Operand {
54  SRC_COLOR = 0x0300,
55  ONE_MINUS_SRC_COLOR = 0x0301,
56  SRC_ALPHA = 0x0302,
57  ONE_MINUS_SRC_ALPHA = 0x0303
58  };
59  enum Operation {
60  REPLACE = 0x1E01,
61  MODULATE = 0x2100,
62  ADD = 0x0104,
63  ADD_SIGNED = 0x8574,
64  SUBTRACT = 0x84E7,
65  INTERPOLATE = 0x8575,
66  DOT3_RGB = 0x86AE,
67  DOT3_RGBA = 0x86AF
68  };
69 
70  virtual void init(SoState * state);
71 
72  static void set(SoState * const state, SoNode * const node,
73  const int unit,
74  const Operation rgboperation,
75  const Operation alphaoperation,
76  const Source * rgbsource,
77  const Source * alphasource,
78  const Operand * rgboperand,
79  const Operand * alphaoperand,
80  const SbColor4f & constantcolor,
81  const float rgbscale,
82  const float alphascale);
83 
84  static SbBool isDefault(SoState * const state,
85  const int unit);
86 
87  static void get(SoState * const state,
88  const int unit,
89  Operation & rgboperation,
90  Operation & alphaoperation,
91  Source * rgbsource,
92  Source * alphasource,
93  Operand * rgboperand,
94  Operand * alphaoperand,
95  SbColor4f & constantcolor,
96  float & rgbscale,
97  float & alphascale);
98 
99  virtual void push(SoState * state);
100  virtual SbBool matches(const SoElement * elem) const;
101  SoElement * copyMatchInfo(void) const;
102 
103  virtual void setElt(const int unit,
104  const uint32_t nodeid,
105  const Operation rgboperation,
106  const Operation alphaoperation,
107  const Source * rgbsource,
108  const Source * alphasource,
109  const Operand * rgboperand,
110  const Operand * alphaoperand,
111  const SbColor4f & constantcolor,
112  const float rgbscale,
113  const float alphascale);
114 
115  static void apply(SoState * state, const int unit);
116 
117  class UnitData {
118  public:
119  uint32_t nodeid;
120  Source rgbsource[3];
121  Source alphasource[3];
122  Operand rgboperand[3];
123  Operand alphaoperand[3];
124  Operation rgboperation;
125  Operation alphaoperation;
126  SbColor4f constantcolor;
127  float rgbscale;
128  float alphascale;
129  };
130 
131 protected:
132  const UnitData & getUnitData(const int unit) const;
133 
134 private:
135  void setDefaultValues(const int unit);
136  SoTextureCombineElementP * pimpl;
137 };
138 
139 #endif // !COIN_SOTEXTURECOMBINEELEMENT_H
static void initClass(void)
Definition: SoElement.cpp:507
The SbColor4f class contains the red, green, blue and alpha components which make up a color value...
Definition: SbColor4f.h:33
virtual SbBool matches(const SoElement *element) const =0
Definition: SoElement.cpp:609
The SoTextureCombineElement class is yet to be documented.FIXME: write doc.
Definition: SoTextureCombineElement.h:36
virtual void push(SoState *state)
Definition: SoElement.cpp:570
The SoNode class is the base class for nodes used in scene graphs.Coin is a retained mode 3D visualiz...
Definition: SoNode.h:47
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
virtual void init(SoState *state)
Definition: SoElement.cpp:553
virtual SoElement * copyMatchInfo(void) const =0

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