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1 | // Created on: 2013-10-02 |
2 | // Created by: Denis BOGOLEPOV |
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3 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
16 | #ifndef _OpenGl_State_HeaderFile |
17 | #define _OpenGl_State_HeaderFile |
18 | |
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19 | #include <InterfaceGraphic_tgl_all.hxx> |
20 | |
21 | #include <OpenGl_Element.hxx> |
22 | #include <OpenGl_Light.hxx> |
23 | |
24 | //! Defines interface for OpenGL state. |
25 | class OpenGl_StateInterface |
26 | { |
27 | public: |
28 | |
29 | //! Creates new OCCT state. |
30 | OpenGl_StateInterface(); |
31 | |
32 | //! Returns current state index. |
33 | Standard_Size Index() const; |
34 | |
35 | //! Updates current state. |
36 | void Update(); |
37 | |
38 | //! Reverts current state. |
39 | void Revert(); |
40 | |
41 | protected: |
42 | |
43 | Standard_Size myIndex; //!< Current state index |
44 | |
45 | }; |
46 | |
47 | //! Defines state of OCCT projection transformation. |
48 | class OpenGl_ProjectionState : public OpenGl_StateInterface |
49 | { |
50 | public: |
51 | |
52 | //! Creates uninitialized projection state. |
53 | OpenGl_ProjectionState(); |
54 | |
55 | //! Sets new projection matrix. |
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56 | void Set (const Tmatrix3* theProjectionMatrix); |
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57 | |
58 | //! Returns current projection matrix. |
59 | const Tmatrix3& ProjectionMatrix() const; |
60 | |
61 | //! Returns inverse of current projection matrix. |
62 | const Tmatrix3& ProjectionMatrixInverse() const; |
63 | |
64 | private: |
65 | |
66 | Tmatrix3 myProjectionMatrix; //!< OCCT projection matrix |
67 | mutable Tmatrix3 myProjectionMatrixInverse; //!< Inverse of OCCT projection matrix |
68 | bool myInverseNeedUpdate; //!< Is inversed matrix outdated? |
69 | |
70 | }; |
71 | |
72 | //! Defines state of OCCT model-world transformation. |
73 | class OpenGl_ModelWorldState : public OpenGl_StateInterface |
74 | { |
75 | public: |
76 | |
77 | //! Creates uninitialized model-world state. |
78 | OpenGl_ModelWorldState(); |
79 | |
80 | //! Sets new model-world matrix. |
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81 | void Set (const Tmatrix3* theModelWorldMatrix); |
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82 | |
83 | //! Returns current model-world matrix. |
84 | const Tmatrix3& ModelWorldMatrix() const; |
85 | |
86 | //! Returns inverse of current model-world matrix. |
87 | const Tmatrix3& ModelWorldMatrixInverse() const; |
88 | |
89 | private: |
90 | |
91 | Tmatrix3 myModelWorldMatrix; //!< OCCT model-world matrix |
92 | mutable Tmatrix3 myModelWorldMatrixInverse; //!< Inverse of OCCT model-world matrix |
93 | bool myInverseNeedUpdate; //!< Is inversed matrix outdated? |
94 | |
95 | }; |
96 | |
97 | //! Defines state of OCCT world-view transformation. |
98 | class OpenGl_WorldViewState : public OpenGl_StateInterface |
99 | { |
100 | public: |
101 | |
102 | //! Creates uninitialized world-view state. |
103 | OpenGl_WorldViewState(); |
104 | |
105 | //! Sets new world-view matrix. |
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106 | void Set (const Tmatrix3* theWorldViewMatrix); |
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107 | |
108 | //! Returns current world-view matrix. |
109 | const Tmatrix3& WorldViewMatrix() const; |
110 | |
111 | //! Returns inverse of current world-view matrix. |
112 | const Tmatrix3& WorldViewMatrixInverse() const; |
113 | |
114 | private: |
115 | |
116 | Tmatrix3 myWorldViewMatrix; //!< OCCT world-view matrix |
117 | mutable Tmatrix3 myWorldViewMatrixInverse; //!< Inverse of OCCT world-view matrix |
118 | bool myInverseNeedUpdate; //!< Is inversed matrix outdated? |
119 | |
120 | }; |
121 | |
122 | //! Defines state of OCCT light sources. |
123 | class OpenGl_LightSourceState : public OpenGl_StateInterface |
124 | { |
125 | public: |
126 | |
127 | //! Creates uninitialized state of light sources. |
128 | OpenGl_LightSourceState(); |
129 | |
130 | //! Sets new light sources. |
131 | void Set (const OpenGl_ListOfLight* theLightSources); |
132 | |
133 | //! Returns current list of light sources. |
134 | const OpenGl_ListOfLight* LightSources() const; |
135 | |
136 | private: |
137 | |
138 | const OpenGl_ListOfLight* myLightSources; //!< List of OCCT light sources |
139 | |
140 | }; |
141 | |
142 | //! Defines generic state of OCCT material properties. |
143 | class OpenGl_MaterialState : public OpenGl_StateInterface |
144 | { |
145 | public: |
146 | |
147 | //! Creates new material state. |
148 | OpenGl_MaterialState (const OpenGl_Element* theAspect = NULL); |
149 | |
150 | //! Sets new material aspect. |
151 | void Set (const OpenGl_Element* theAspect); |
152 | |
153 | //! Returns material aspect. |
154 | const OpenGl_Element* Aspect() const; |
155 | |
156 | private: |
157 | |
158 | const OpenGl_Element* myAspect; //!< OCCT material aspect |
159 | |
160 | }; |
161 | |
162 | //! Defines generic state of OCCT clipping state. |
163 | class OpenGl_ClippingState : public OpenGl_StateInterface |
164 | { |
165 | public: |
166 | |
167 | //! Creates new clipping state. |
168 | OpenGl_ClippingState(); |
169 | |
170 | }; |
171 | |
172 | #endif // _OpenGl_State_HeaderFile |