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1 | // Copyright (c) 2017 OPEN CASCADE SAS |
2 | // |
3 | // This file is part of Open CASCADE Technology software library. |
4 | // |
5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
10 | // |
11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
13 | |
14 | #ifndef _OpenGl_TextureSet_Header |
15 | #define _OpenGl_TextureSet_Header |
16 | |
17 | #include <Graphic3d_TextureSet.hxx> |
18 | |
19 | class OpenGl_Texture; |
20 | |
21 | //! Class holding array of textures to be mapped as a set. |
22 | class OpenGl_TextureSet : public Standard_Transient |
23 | { |
24 | DEFINE_STANDARD_RTTIEXT(OpenGl_TextureSet, Standard_Transient) |
25 | public: |
26 | |
27 | //! Class for iterating texture set. |
28 | class Iterator : public NCollection_Array1<Handle(OpenGl_Texture)>::Iterator |
29 | { |
30 | public: |
31 | //! Empty constructor. |
32 | Iterator() {} |
33 | |
34 | //! Constructor. |
35 | Iterator (const Handle(OpenGl_TextureSet)& theSet) |
36 | { |
37 | if (!theSet.IsNull()) |
38 | { |
39 | NCollection_Array1<Handle(OpenGl_Texture)>::Iterator::Init (theSet->myTextures); |
40 | } |
41 | } |
42 | }; |
43 | |
44 | public: |
45 | |
46 | //! Empty constructor. |
47 | OpenGl_TextureSet() {} |
48 | |
49 | //! Constructor. |
50 | OpenGl_TextureSet (Standard_Integer theNbTextures) |
51 | : myTextures (0, theNbTextures - 1) {} |
52 | |
53 | //! Constructor for a single texture. |
54 | OpenGl_TextureSet (const Handle(OpenGl_Texture)& theTexture) |
55 | : myTextures (0, 0) |
56 | { |
57 | myTextures.ChangeFirst() = theTexture; |
58 | } |
59 | |
60 | //! Return TRUE if texture array is empty. |
61 | Standard_Boolean IsEmpty() const { return myTextures.IsEmpty(); } |
62 | |
63 | //! Return number of textures. |
64 | Standard_Integer Size() const { return myTextures.Size(); } |
65 | |
66 | //! Return the lower index in texture set. |
67 | Standard_Integer Lower() const { return myTextures.Lower(); } |
68 | |
69 | //! Return the upper index in texture set. |
70 | Standard_Integer Upper() const { return myTextures.Upper(); } |
71 | |
72 | //! Return the first texture. |
73 | const Handle(OpenGl_Texture)& First() const { return myTextures.First(); } |
74 | |
75 | //! Return the first texture. |
76 | Handle(OpenGl_Texture)& ChangeFirst() { return myTextures.ChangeFirst(); } |
77 | |
78 | //! Return the texture at specified position within [0, Size()) range. |
79 | const Handle(OpenGl_Texture)& Value (Standard_Integer theIndex) const { return myTextures.Value (theIndex); } |
80 | |
81 | //! Return the texture at specified position within [0, Size()) range. |
82 | Handle(OpenGl_Texture)& ChangeValue (Standard_Integer theIndex) { return myTextures.ChangeValue (theIndex); } |
83 | |
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84 | //! Return TRUE if texture color modulation has been enabled for the first texture |
85 | //! or if texture is not set at all. |
86 | Standard_EXPORT bool IsModulate() const; |
87 | |
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88 | protected: |
89 | |
90 | NCollection_Array1<Handle(OpenGl_Texture)> myTextures; |
91 | |
92 | }; |
93 | |
94 | #endif //_OpenGl_TextureSet_Header |