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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> |
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20 | #include <NCollection_List.hxx> |
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21 | #include <OpenGl_Element.hxx> |
22 | #include <OpenGl_Light.hxx> |
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23 | #include <OpenGl_Vec.hxx> |
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24 | #include <Visual3d_TypeOfSurfaceDetail.hxx> |
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25 | |
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26 | //! Defines interface for OpenGL state. |
27 | class OpenGl_StateInterface |
28 | { |
29 | public: |
30 | |
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31 | //! Creates new state. |
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32 | OpenGl_StateInterface(); |
33 | |
34 | //! Returns current state index. |
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35 | Standard_Size Index() const { return myIndex; } |
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36 | |
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37 | //! Increment current state. |
38 | void Update() { ++myIndex; } |
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39 | |
40 | protected: |
41 | |
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42 | Standard_Size myIndex; //!< current state index |
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43 | |
44 | }; |
45 | |
46 | //! Defines state of OCCT projection transformation. |
47 | class OpenGl_ProjectionState : public OpenGl_StateInterface |
48 | { |
49 | public: |
50 | |
51 | //! Creates uninitialized projection state. |
52 | OpenGl_ProjectionState(); |
53 | |
54 | //! Sets new projection matrix. |
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55 | void Set (const OpenGl_Mat4& theProjectionMatrix); |
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56 | |
57 | //! Returns current projection matrix. |
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58 | const OpenGl_Mat4& ProjectionMatrix() const; |
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59 | |
60 | //! Returns inverse of current projection matrix. |
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61 | const OpenGl_Mat4& ProjectionMatrixInverse() const; |
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62 | |
63 | private: |
64 | |
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65 | OpenGl_Mat4 myProjectionMatrix; //!< OCCT projection matrix |
66 | mutable OpenGl_Mat4 myProjectionMatrixInverse; //!< Inverse of OCCT projection matrix |
67 | bool myInverseNeedUpdate; //!< Is inversed matrix outdated? |
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68 | |
69 | }; |
70 | |
71 | //! Defines state of OCCT model-world transformation. |
72 | class OpenGl_ModelWorldState : public OpenGl_StateInterface |
73 | { |
74 | public: |
75 | |
76 | //! Creates uninitialized model-world state. |
77 | OpenGl_ModelWorldState(); |
78 | |
79 | //! Sets new model-world matrix. |
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80 | void Set (const OpenGl_Mat4& theModelWorldMatrix); |
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81 | |
82 | //! Returns current model-world matrix. |
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83 | const OpenGl_Mat4& ModelWorldMatrix() const; |
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84 | |
85 | //! Returns inverse of current model-world matrix. |
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86 | const OpenGl_Mat4& ModelWorldMatrixInverse() const; |
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87 | |
88 | private: |
89 | |
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90 | OpenGl_Mat4 myModelWorldMatrix; //!< OCCT model-world matrix |
91 | mutable OpenGl_Mat4 myModelWorldMatrixInverse; //!< Inverse of OCCT model-world matrix |
92 | bool myInverseNeedUpdate; //!< Is inversed matrix outdated? |
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93 | |
94 | }; |
95 | |
96 | //! Defines state of OCCT world-view transformation. |
97 | class OpenGl_WorldViewState : public OpenGl_StateInterface |
98 | { |
99 | public: |
100 | |
101 | //! Creates uninitialized world-view state. |
102 | OpenGl_WorldViewState(); |
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103 | |
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104 | //! Sets new world-view matrix. |
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105 | void Set (const OpenGl_Mat4& theWorldViewMatrix); |
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106 | |
107 | //! Returns current world-view matrix. |
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108 | const OpenGl_Mat4& WorldViewMatrix() const; |
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109 | |
110 | //! Returns inverse of current world-view matrix. |
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111 | const OpenGl_Mat4& WorldViewMatrixInverse() const; |
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112 | |
113 | private: |
114 | |
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115 | OpenGl_Mat4 myWorldViewMatrix; //!< OCCT world-view matrix |
116 | mutable OpenGl_Mat4 myWorldViewMatrixInverse; //!< Inverse of OCCT world-view matrix |
117 | bool myInverseNeedUpdate; //!< Is inversed matrix outdated? |
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118 | |
119 | }; |
120 | |
121 | //! Defines state of OCCT light sources. |
122 | class OpenGl_LightSourceState : public OpenGl_StateInterface |
123 | { |
124 | public: |
125 | |
126 | //! Creates uninitialized state of light sources. |
127 | OpenGl_LightSourceState(); |
128 | |
129 | //! Sets new light sources. |
130 | void Set (const OpenGl_ListOfLight* theLightSources); |
131 | |
132 | //! Returns current list of light sources. |
133 | const OpenGl_ListOfLight* LightSources() const; |
134 | |
135 | private: |
136 | |
137 | const OpenGl_ListOfLight* myLightSources; //!< List of OCCT light sources |
138 | |
139 | }; |
140 | |
141 | //! Defines generic state of OCCT material properties. |
142 | class OpenGl_MaterialState : public OpenGl_StateInterface |
143 | { |
144 | public: |
145 | |
146 | //! Creates new material state. |
147 | OpenGl_MaterialState (const OpenGl_Element* theAspect = NULL); |
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148 | |
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149 | //! Sets new material aspect. |
150 | void Set (const OpenGl_Element* theAspect); |
151 | |
152 | //! Returns material aspect. |
153 | const OpenGl_Element* Aspect() const; |
154 | |
155 | private: |
156 | |
157 | const OpenGl_Element* myAspect; //!< OCCT material aspect |
158 | |
159 | }; |
160 | |
161 | //! Defines generic state of OCCT clipping state. |
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162 | class OpenGl_ClippingState |
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163 | { |
164 | public: |
165 | |
166 | //! Creates new clipping state. |
167 | OpenGl_ClippingState(); |
168 | |
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169 | //! Returns current state index. |
170 | Standard_Size Index() const { return myIndex; } |
171 | |
172 | //! Updates current state. |
173 | void Update(); |
174 | |
175 | //! Reverts current state. |
176 | void Revert(); |
177 | |
178 | protected: |
179 | |
180 | Standard_Size myIndex; //!< Current state index |
181 | Standard_Size myNextIndex; //!< Next state index |
182 | NCollection_List<Standard_Size> myStateStack; //!< Stack of previous states |
183 | |
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184 | }; |
185 | |
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186 | //! Defines generic state of OCCT surface detail. |
187 | class OpenGl_SurfaceDetailState : public OpenGl_StateInterface |
188 | { |
189 | public: |
190 | |
191 | //! Creates new surface detail state. |
192 | OpenGl_SurfaceDetailState (const Visual3d_TypeOfSurfaceDetail theDetail = Visual3d_TOD_NONE) |
193 | : myDetail (theDetail) |
194 | { |
195 | // |
196 | } |
197 | |
198 | //! Sets new surface detail. |
199 | void Set (const Visual3d_TypeOfSurfaceDetail theDetail) { myDetail = theDetail; } |
200 | |
201 | //! Returns surface detail. |
202 | const Visual3d_TypeOfSurfaceDetail Detail() const { return myDetail; } |
203 | |
204 | private: |
205 | |
206 | Visual3d_TypeOfSurfaceDetail myDetail; //!< OCCT surface detail |
207 | |
208 | }; |
209 | |
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210 | #endif // _OpenGl_State_HeaderFile |