1 // Created on: 1997-07-28
2 // Created by: Pierre CHALAMET
3 // Copyright (c) 1997-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #include <Graphic3d_Texture1Dsegment.ixx>
18 #include <Graphic3d_TypeOfTextureMode.hxx>
19 #include <Graphic3d_TextureParams.hxx>
21 // =======================================================================
22 // function : Graphic3d_Texture1Dsegment
24 // =======================================================================
25 Graphic3d_Texture1Dsegment::Graphic3d_Texture1Dsegment (const TCollection_AsciiString& theFileName)
26 : Graphic3d_Texture1D (theFileName, Graphic3d_TOT_1D),
34 myParams->SetRepeat (Standard_True);
35 myParams->SetGenMode (Graphic3d_TOTM_OBJECT,
36 Graphic3d_Vec4 (0.0f, 0.0f, 1.0f, 0.0f),
37 Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f));
40 // =======================================================================
41 // function : Graphic3d_Texture1Dsegment
43 // =======================================================================
44 Graphic3d_Texture1Dsegment::Graphic3d_Texture1Dsegment (const Graphic3d_NameOfTexture1D theNOT)
45 : Graphic3d_Texture1D (theNOT, Graphic3d_TOT_1D),
53 myParams->SetRepeat (Standard_True);
54 myParams->SetGenMode (Graphic3d_TOTM_OBJECT,
55 Graphic3d_Vec4 (0.0f, 0.0f, 1.0f, 0.0f),
56 Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f));
59 // =======================================================================
60 // function : SetSegment
62 // =======================================================================
63 void Graphic3d_Texture1Dsegment::SetSegment (const Standard_ShortReal X1,
64 const Standard_ShortReal Y1,
65 const Standard_ShortReal Z1,
66 const Standard_ShortReal X2,
67 const Standard_ShortReal Y2,
68 const Standard_ShortReal Z2)
76 Graphic3d_Vec4 aPlaneX (X2 - X1, Y2 - Y1, Z2 - Z1, 0.0f);
78 Standard_ShortReal aSqNorm = aPlaneX.x() * aPlaneX.x()
79 + aPlaneX.y() * aPlaneX.y()
80 + aPlaneX.z() * aPlaneX.z();
81 aPlaneX.x() /= aSqNorm;
82 aPlaneX.y() /= aSqNorm;
83 aPlaneX.z() /= aSqNorm;
84 aPlaneX.w() = -aPlaneX.x() * X1
88 myParams->SetGenMode (Graphic3d_TOTM_OBJECT,
90 Graphic3d_Vec4 (0.0f, 0.0f, 0.0f, 0.0f));
93 // =======================================================================
96 // =======================================================================
97 void Graphic3d_Texture1Dsegment::Segment (Standard_ShortReal& X1,
98 Standard_ShortReal& Y1,
99 Standard_ShortReal& Z1,
100 Standard_ShortReal& X2,
101 Standard_ShortReal& Y2,
102 Standard_ShortReal& Z2) const