-- Created on: 1993-03-17
-- Created by: Laurent BUCHARD
-- Copyright (c) 1993-1999 Matra Datavision
-- Copyright (c) 1999-2012 OPEN CASCADE SAS
--
-- The content of this file is subject to the Open CASCADE Technology Public
-- License Version 6.5 (the "License"). You may not use the content of this file
-- except in compliance with the License. Please obtain a copy of the License
-- at http://www.opencascade.org and read it completely before using this file.
--
-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
--
-- The Original Code and all software distributed under the License is
-- distributed on an "AS IS" basis, without warranty of any kind, and the
-- Initial Developer hereby disclaims all such warranties, including without
-- limitation, any warranties of merchantability, fitness for a particular
-- purpose or non-infringement. Please see the License for the specific terms
-- and conditions governing the rights and limitations under the License.



generic class Approx from ApproxInt (
    ThePSurface        as any;
    ThePSurfaceTool    as any;
    TheISurface        as any;
    TheISurfaceTool    as any;
    TheWLine           as Transient)
    
uses 
    MCurvesToBSpCurve from Approx,
    MultiBSpCurve     from AppParCurves,
    Pnt               from gp,
    Pnt2d             from gp,
    Vec               from gp,
    Vec2d             from gp,
    ParametrizationType from Approx   
     
raises 
    OutOfRange    from Standard,
    NotDone       from StdFail
    
class ThePrmPrmSvSurfaces instantiates PrmPrmSvSurfaces from ApproxInt (
    ThePSurface,
    ThePSurfaceTool,
    TheWLine); 

class TheImpPrmSvSurfaces instantiates ImpPrmSvSurfaces from ApproxInt (
    ThePSurface,
    ThePSurfaceTool,
    TheISurface,
    TheISurfaceTool,
    TheWLine); 

class TheMultiLine instantiates MultiLine from ApproxInt (
    TheWLine,
    SvSurfaces  from ApproxInt);

class TheMultiLineTool instantiates MultiLineTool from ApproxInt(
    TheMultiLine,
    SvSurfaces  from ApproxInt);
    
class TheComputeLine instantiates BSplComputeLine from Approx (
    TheMultiLine,
    TheMultiLineTool);

class TheComputeLineBezier instantiates ComputeLine from Approx (
    TheMultiLine,
    TheMultiLineTool);

is

    Create
    returns Approx from ApproxInt;

    Perform(me: in out;
            Surf1,Surf2 : ThePSurface;
            aLine       : TheWLine;
            ApproxXYZ   : Boolean from Standard = Standard_True;
    	    ApproxU1V1  : Boolean from Standard = Standard_True;
    	    ApproxU2V2  : Boolean from Standard = Standard_True;
    	    indicemin   : Integer from Standard = 0;
    	    indicemax   : Integer from Standard = 0)
    is static;
    
    Perform(me: in out;
            aLine       : TheWLine;
            ApproxXYZ   : Boolean from Standard = Standard_True;
    	    ApproxU1V1  : Boolean from Standard = Standard_True;
    	    ApproxU2V2  : Boolean from Standard = Standard_True;
    	    indicemin   : Integer from Standard = 0;
    	    indicemax   : Integer from Standard = 0)	    
    is static;

    
    SetParameters(me: in out; Tol3d               : Real    from Standard;
                              Tol2d               : Real    from Standard;
			      DegMin              : Integer from Standard;
			      DegMax              : Integer from Standard;
			      NbIterMax           : Integer from Standard;
                              ApproxWithTangency  : Boolean from Standard = Standard_True; 
                              Parametrization     : ParametrizationType from Approx = Approx_ChordLength)
    is static;

    SetParameters(me: in out; Tol3d               : Real    from Standard;
                              Tol2d               : Real    from Standard;
			      RelativeTol         : Boolean from Standard;
			      DegMin              : Integer from Standard;
			      DegMax              : Integer from Standard;
			      NbIterMax           : Integer from Standard;
			      NbPntMax            : Integer from Standard;
                              ApproxWithTangency  : Boolean from Standard = Standard_True; 
                              Parametrization     : ParametrizationType from Approx = Approx_ChordLength)
    is static;

    Perform(me:in out) 
    is static;

    TolReached3d(me) returns Real from Standard
    is static;

    TolReached2d(me) returns Real from Standard
    is static;

    IsDone(me) returns Boolean from Standard 
    is static;
    
    NbMultiCurves(me) returns Integer from Standard 
    is static ;
    
    Value(me; Index: Integer from Standard) 
    	---C++: return const &
    returns MultiBSpCurve from AppParCurves 
    is static;



---- private methods

    Perform(me: in out ;Surf1       : ThePSurface;
    	                Surf2       : TheISurface;
	                aLine       : TheWLine;
                        ApproxXYZ   : Boolean from Standard;
    	                ApproxU1V1  : Boolean from Standard;
    	                ApproxU2V2  : Boolean from Standard;
                        indicemin   : Integer from Standard;
    	                indicemax   : Integer from Standard)			      

    is static private;

    Perform(me: in out ;Surf1       : TheISurface;
    	                Surf2       : ThePSurface;
	                aLine       : TheWLine;
                        ApproxXYZ   : Boolean from Standard;
    	                ApproxU1V1  : Boolean from Standard;
    	                ApproxU2V2  : Boolean from Standard;
                        indicemin   : Integer from Standard;
    	                indicemax   : Integer from Standard) 
    is static private;
    
    UpdateTolReached(me: in out)
    is static private;

fields
    myComputeLine       : TheComputeLine       from ApproxInt;
    myComputeLineBezier : TheComputeLineBezier from ApproxInt;    
    myBezToBSpl         : MCurvesToBSpCurve    from Approx;
    myTolReached        : Boolean              from Standard; 
    myApproxBez         : Boolean              from Standard;
    
    myWithTangency      : Boolean               from Standard;
    myTol3d             : Real                  from Standard;
    myTol2d             : Real                  from Standard;
    myRelativeTol       : Boolean               from Standard;
    myDegMin            : Integer               from Standard;
    myDegMax            : Integer               from Standard;    
    myNbPntMax          : Integer               from Standard;        
    myNbIterMax         : Integer               from Standard;        

    myMinFactorXYZ      : Real                  from Standard;    
    myMinFactorUV       : Real                  from Standard;
    myTolReached3d      : Real                  from Standard;    
    myTolReached2d      : Real                  from Standard;

end Approx;