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1 | // Created on: 1997-02-12 |
| 2 | // Created by: Alexander BRIVIN |
| 3 | // Copyright (c) 1997-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | #ifndef _Vrml_DirectionalLight_HeaderFile |
| 18 | #define _Vrml_DirectionalLight_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_DefineAlloc.hxx> |
| 22 | #include <Standard_Handle.hxx> |
| 23 | |
| 24 | #include <Standard_Boolean.hxx> |
| 25 | #include <Standard_Real.hxx> |
| 26 | #include <Quantity_Color.hxx> |
| 27 | #include <gp_Vec.hxx> |
| 28 | #include <Standard_OStream.hxx> |
| 29 | class Quantity_Color; |
| 30 | class gp_Vec; |
| 31 | |
| 32 | |
| 33 | //! defines a directional light node of VRML specifying |
| 34 | //! properties of lights. |
| 35 | //! This node defines a directional light source that illuminates |
| 36 | //! along rays parallel to a given 3-dimentional vector |
| 37 | //! Color is written as an RGB triple. |
| 38 | //! Light intensity must be in the range 0.0 to 1.0, inclusive. |
| 39 | class Vrml_DirectionalLight |
| 40 | { |
| 41 | public: |
| 42 | |
| 43 | DEFINE_STANDARD_ALLOC |
| 44 | |
| 45 | |
| 46 | Standard_EXPORT Vrml_DirectionalLight(); |
| 47 | |
| 48 | Standard_EXPORT Vrml_DirectionalLight(const Standard_Boolean aOnOff, const Standard_Real aIntensity, const Quantity_Color& aColor, const gp_Vec& aDirection); |
| 49 | |
| 50 | Standard_EXPORT void SetOnOff (const Standard_Boolean aOnOff); |
| 51 | |
| 52 | Standard_EXPORT Standard_Boolean OnOff() const; |
| 53 | |
| 54 | Standard_EXPORT void SetIntensity (const Standard_Real aIntensity); |
| 55 | |
| 56 | Standard_EXPORT Standard_Real Intensity() const; |
| 57 | |
| 58 | Standard_EXPORT void SetColor (const Quantity_Color& aColor); |
| 59 | |
| 60 | Standard_EXPORT Quantity_Color Color() const; |
| 61 | |
| 62 | Standard_EXPORT void SetDirection (const gp_Vec& aDirection); |
| 63 | |
| 64 | Standard_EXPORT gp_Vec Direction() const; |
| 65 | |
| 66 | Standard_EXPORT Standard_OStream& Print (Standard_OStream& anOStream) const; |
| 67 | |
| 68 | |
| 69 | |
| 70 | |
| 71 | protected: |
| 72 | |
| 73 | |
| 74 | |
| 75 | |
| 76 | |
| 77 | private: |
| 78 | |
| 79 | |
| 80 | |
| 81 | Standard_Boolean myOnOff; |
| 82 | Standard_Real myIntensity; |
| 83 | Quantity_Color myColor; |
| 84 | gp_Vec myDirection; |
| 85 | |
| 86 | |
| 87 | }; |
| 88 | |
| 89 | |
| 90 | |
| 91 | |
| 92 | |
| 93 | |
| 94 | |
| 95 | #endif // _Vrml_DirectionalLight_HeaderFile |
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