// File:	IGESCAFControl.cxx
// Created:	Wed Aug 16 18:46:01 2000
// Author:	Andrey BETENEV
//		<abv@doomox.nnov.matra-dtv.fr>

#include <IGESCAFControl.ixx>

//=======================================================================
//function : DecodeColor
//purpose  : 
//=======================================================================

Quantity_Color IGESCAFControl::DecodeColor (const Standard_Integer color)
{
  switch ( color ) {
  case 1: return Quantity_Color ( Quantity_NOC_BLACK );
  case 2: return Quantity_Color ( Quantity_NOC_RED );
  case 3: return Quantity_Color ( Quantity_NOC_GREEN );
  case 4: return Quantity_Color ( Quantity_NOC_BLUE1 );
  case 5: return Quantity_Color ( Quantity_NOC_YELLOW );
  case 6: return Quantity_Color ( Quantity_NOC_MAGENTA1 );
  case 7: return Quantity_Color ( Quantity_NOC_CYAN1 );
  case 8: 
  default:return Quantity_Color ( Quantity_NOC_WHITE );
  }
}

//=======================================================================
//function : DecodeColor
//purpose  : 
//=======================================================================

Standard_Integer IGESCAFControl::EncodeColor (const Quantity_Color &col)
{
  Standard_Integer code = 0;
  if ( Abs ( col.Red() - 1. ) <= col.Epsilon() ) code |= 0x001;
  else if ( Abs ( col.Red() ) > col.Epsilon() ) return 0;
  if ( Abs ( col.Green() - 1. ) <= col.Epsilon() ) code |= 0x010;
  else if ( Abs ( col.Green() ) > col.Epsilon() ) return 0;
  if ( Abs ( col.Blue() - 1. ) <= col.Epsilon() ) code |= 0x100;
  else if ( Abs ( col.Blue() ) > col.Epsilon() ) return 0;

  switch ( code ) {
  case 0x000: return 1;
  case 0x001: return 2;
  case 0x010: return 3;
  case 0x100: return 4;
  case 0x011: return 5;
  case 0x101: return 6;
  case 0x110: return 7;
  case 0x111:  
  default   : return 8;
  }
}