//File: CadUtility.idl
//CAD Services V1.1

#ifndef __CADUTILITY_DEFINED
#define __CADUTILITY_DEFINED

#include <orb.idl>

#pragma prefix "omg.org"

module CadUtility
{

  // basic geometric structures

  struct PointStruct
  {
    // three dimensional location

    double x;
    double y;
    double z;
  };
   
  struct BoundingBox
  {
    PointStruct   point_min;
    PointStruct   point_max;
  };   
  typedef sequence<PointStruct>     PointStructSeq;
  typedef sequence<PointStructSeq>  PointStructSeqSeq;
 
    struct VectorStruct
  {
    // Direction in 3D

    double i;
    double j;
    double k;
  };
  
  typedef sequence<VectorStruct> VectorStructSeq;
  typedef sequence<VectorStructSeq> VectorStructSeqSeq;
  typedef sequence<VectorStructSeqSeq> VectorStructSeqSeqSeq;

  struct TransformationStruct
  {
    PointStruct   offset;
    VectorStruct    i_ref_dir;
    VectorStruct    k_dir;
  };

 struct RayStruct 
  {
    PointStruct     origin;
    VectorStruct    direction;
  };
  typedef sequence<RayStruct> RayStructSeq;
  
  struct UvStruct 
  {
    double u;
    double v;
  };
  typedef sequence<UvStruct> UvStructSeq;

  // Global Cad Error

  exception CadError 
  {
    unsigned long error_code; 
    string error_text;
  };

  // Sequences of basic types

  typedef sequence<boolean> BooleanSeq;
  typedef sequence<long>    LongSeq;
  typedef sequence<LongSeq> LongSeqSeq;
  typedef sequence<double>  DoubleSeq;
  typedef sequence<string>  StringSeq;
  typedef sequence<DoubleSeq> DoubleSeqSeq;
  typedef sequence<any>     AnySeq;
  typedef sequence<CORBA::TypeCode> TypeCodeSeq;

  enum MassUnit 
  {
    // mass unit options

    POUNDS, 
    GRAMS, 
    KILOGRAMS,
    UNKNOWN_MASS
   };
 
  enum LengthUnit
  {
    // length unit options

    INCH, 
    FEET, 
    M, 
    CM, 
    MM,
    UNKNOWN_LENGTH
  };

  // enum + union supporting parameters

  enum AttribTypes 
  { 
    LONG_TYPE, 
    DOUBLE_TYPE, 
    STRING_TYPE, 
    BOOLEAN_TYPE
  };

  union EntityAttrib switch(AttribTypes)
  {
    case LONG_TYPE: long     l_value;
    case DOUBLE_TYPE: double d_value;
    case STRING_TYPE: string s_value;
    case BOOLEAN_TYPE: boolean b_value;
  };

  struct ColorStruct 
  {
    // basic color information in RGB form
    // Valid values range from 0.0 to 1.0

    double red;
    double green;
    double blue;	
  };
  typedef sequence<ColorStruct> ColorStructSeq;

  struct PresentationStruct
  {
    // CAD system presentation data
    // Unsupported features will return a negative value
    // Valid values range from 0.0 to 1.0

    ColorStruct   object_color;
    ColorStruct   specular_color; //light source color
    double diffuse_factor;
    double specular_factor;
    double ambient_factor;
    double roughness;
    double transparency; //  0. is opaque and 1. is transparent       	
  };
 	
  struct RangeStruct
  {
    // basic range information

    double high;
    double low;
  };
    	
  struct WarningStruct
  {
    // struct for warning messages
    
    long   index;
    string message;
  };
  typedef sequence<WarningStruct>WarningStructSeq;

  // Nurbs data structures

  struct NurbsCurveStruct
  {		
	boolean is_rational;
	// rational or polynomial?
			
	CadUtility::DoubleSeq knots;
	// A sequence of knot values.
			
	CadUtility::DoubleSeq weights;
	// A sequence of weight values.
			
	CadUtility::PointStructSeq control_points;
	// A sequence of control points in 3D

	CadUtility::LongSeq multiplicity;
	long        degree;
  };
  typedef sequence<NurbsCurveStruct> NurbsCurveStructSeq;

  struct NurbsSurfaceStruct
  {
    boolean is_rational;
    // rational or polynomial?
			
    CadUtility::DoubleSeq knots_u;
    CadUtility::DoubleSeq knots_v;
    // Sequence of knot values.
			
    CadUtility::DoubleSeqSeq weights;
    // A sequence of weight values.
			
    CadUtility::PointStructSeqSeq control_points;
    // A sequence of control points.  
    // Each point is a sequence of a sequence of 3D points.

    CadUtility::LongSeq multiplicity_u;
    CadUtility::LongSeq multiplicity_v;
    long   degree_u;
    long   degree_v;
  };
  typedef sequence<NurbsSurfaceStruct> NurbsSurfaceStructSeq;
};
#endif