0031668: Visualization - WebGL sample doesn't work on Emscripten 1.39
[occt.git] / src / IGESCAFControl / IGESCAFControl.cxx
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b311480e 1// Created on: 2000-08-16
2// Created by: Andrey BETENEV
973c2be1 3// Copyright (c) 2000-2014 OPEN CASCADE SAS
b311480e 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
b311480e 6//
d5f74e42 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
973c2be1 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.
b311480e 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
7fd59977 15
42cf5bc1 16
17#include <IGESCAFControl.hxx>
18#include <Quantity_Color.hxx>
7fd59977 19
20//=======================================================================
21//function : DecodeColor
22//purpose :
23//=======================================================================
7fd59977 24Quantity_Color IGESCAFControl::DecodeColor (const Standard_Integer color)
25{
26 switch ( color ) {
27 case 1: return Quantity_Color ( Quantity_NOC_BLACK );
28 case 2: return Quantity_Color ( Quantity_NOC_RED );
29 case 3: return Quantity_Color ( Quantity_NOC_GREEN );
30 case 4: return Quantity_Color ( Quantity_NOC_BLUE1 );
31 case 5: return Quantity_Color ( Quantity_NOC_YELLOW );
32 case 6: return Quantity_Color ( Quantity_NOC_MAGENTA1 );
33 case 7: return Quantity_Color ( Quantity_NOC_CYAN1 );
34 case 8:
35 default:return Quantity_Color ( Quantity_NOC_WHITE );
36 }
37}
38
39//=======================================================================
40//function : DecodeColor
41//purpose :
42//=======================================================================
43
44Standard_Integer IGESCAFControl::EncodeColor (const Quantity_Color &col)
45{
46 Standard_Integer code = 0;
47 if ( Abs ( col.Red() - 1. ) <= col.Epsilon() ) code |= 0x001;
48 else if ( Abs ( col.Red() ) > col.Epsilon() ) return 0;
49 if ( Abs ( col.Green() - 1. ) <= col.Epsilon() ) code |= 0x010;
50 else if ( Abs ( col.Green() ) > col.Epsilon() ) return 0;
51 if ( Abs ( col.Blue() - 1. ) <= col.Epsilon() ) code |= 0x100;
52 else if ( Abs ( col.Blue() ) > col.Epsilon() ) return 0;
53
54 switch ( code ) {
55 case 0x000: return 1;
56 case 0x001: return 2;
57 case 0x010: return 3;
58 case 0x100: return 4;
59 case 0x011: return 5;
60 case 0x101: return 6;
61 case 0x110: return 7;
62 case 0x111:
63 default : return 8;
64 }
65}