//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
// 
//  This library is free software; you can redistribute it and/or 
//  modify it under the terms of the GNU Lesser General Public 
//  License as published by the Free Software Foundation; either 
//  version 2.1 of the License. 
// 
//  This library is distributed in the hope that it will be useful, 
//  but WITHOUT ANY WARRANTY; without even the implied warranty of 
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
//  Lesser General Public License for more details. 
// 
//  You should have received a copy of the GNU Lesser General Public 
//  License along with this library; if not, write to the Free Software 
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
// 
//  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
//
//
//
// File    : SMESH_Pattern.idl
// Created : Mon Aug  2 10:48:36 2004
// Author  : Edward AGAPOV (eap)
//  $Header:

#ifndef _SMESH_PATTERN_IDL_
#define _SMESH_PATTERN_IDL_

#include "SMESH_Mesh.idl"

module SMESH
{
  
  typedef sequence<SMESH::PointStruct> point_array;

  /*!
   * SMESH_Pattern: interface of mesh pattern
   */
  interface SMESH_Pattern {

    /*!
     * Load a pattern from the string <theFileContents>
     */
    boolean LoadFromFile(in string theFileContents);

    /*!
     * Create a pattern from the mesh built on <theFace>.
     * <theProject>==true makes override nodes positions
     * on <theFace> computed by mesher
     */
    boolean LoadFromFace(in SMESH_Mesh        theMesh,
                         in GEOM::GEOM_Object theFace,
                         in boolean           theProject);

    /*!
     * Create a pattern from the mesh built on <theBlock>
     */
    boolean LoadFrom3DBlock(in SMESH_Mesh        theMesh,
                            in GEOM::GEOM_Object theBlock);

    /*!
     * Compute nodes coordinates applying
     * the loaded pattern to <theFace>. The first key-point
     * will be mapped into <theVertexOnKeyPoint1>, which must
     * be in the outer wire of theFace
     */
    point_array  ApplyToFace(in GEOM::GEOM_Object theFace,
                             in GEOM::GEOM_Object theVertexOnKeyPoint1,
                             in boolean           theReverse);

    /*!
     * Compute nodes coordinates applying
     * the loaded pattern to <theBlock>. The (0,0,0) key-point
     * will be mapped into <theVertex000>. The (0,0,1) 
     * key-point will be mapped into <theVertex001>.
     */
    point_array  ApplyTo3DBlock(in GEOM::GEOM_Object theBlock,
                                in GEOM::GEOM_Object theVertex000,
                                in GEOM::GEOM_Object theVertex001);

    /*!
     * Compute nodes coordinates applying
     * the loaded pattern to mesh faces. The first key-point
     * will be mapped into <theNodeIndexOnKeyPoint1>-th node of each face
     */
    point_array  ApplyToMeshFaces(in SMESH_Mesh theMesh,
                                  in long_array theFacesIDs,
                                  in long       theNodeIndexOnKeyPoint1,
                                  in boolean    theReverse);

    /*!
     * Compute nodes coordinates applying
     * the loaded pattern to hexahedrons. The (0,0,0) key-point
     * will be mapped into <theNode000Index>-th node of each volume.
     * The (0,0,1) key-point will be mapped into <theNode001Index>-th
     * node of each volume.
     */
    point_array  ApplyToHexahedrons(in SMESH_Mesh theMesh,
                                    in long_array theVolumesIDs,
                                    in long       theNode000Index,
                                    in long       theNode001Index);

    /*!
     * Create nodes and elements in <theMesh> using nodes
     * coordinates computed by either of Apply...() methods.
     * If CreatePoly is TRUE, replace adjacent faces by polygons,
     * inserting new nodes in common links.
     */
    boolean MakeMesh (in SMESH_Mesh theMesh,
		      in boolean    CreatePoly);

    /*!
     * Return the loaded pattern in the string form to be saved in file
     */
    string GetString();

    /*!
     * error code of the last of one of above operations
     */
    enum ErrorCode {
      ERR_OK,
      // Load(file)
      ERR_READ_NB_POINTS, // couldn't read nb of points
      ERR_READ_POINT_COORDS, // invalid nb of point coordinates
      ERR_READ_TOO_FEW_POINTS,  // too few points in a pattern
      ERR_READ_3D_COORD,  // coordinate of 3D point out of [0,1] range
      ERR_READ_NO_KEYPOINT, // no key-points in 2D pattern
      ERR_READ_BAD_INDEX, // invalid point index
      ERR_READ_ELEM_POINTS, // invalid nb of points in element
      ERR_READ_NO_ELEMS, // no elements in a pattern
      ERR_READ_BAD_KEY_POINT, // a key-point not on a boundary
      // Save(file)
      ERR_SAVE_NOT_LOADED, // pattern was not loaded
      // Load(shape)
      ERR_LOAD_EMPTY_SUBMESH, // no elements to load
      // Load(face)
      ERR_LOADF_NARROW_FACE, // too narrow face
      ERR_LOADF_CLOSED_FACE, // closed face
      // Load(volume)
      ERR_LOADV_BAD_SHAPE, // volume is not a brick of 6 faces
      ERR_LOADV_COMPUTE_PARAMS, // cant compute point parameters
      // Apply(shape)
      ERR_APPL_NOT_LOADED, // pattern was not loaded
      ERR_APPL_BAD_DIMENTION, // wrong shape dimention
      ERR_APPL_BAD_NB_VERTICES, // keypoints - vertices mismatch
      // Apply(face)
      ERR_APPLF_BAD_TOPOLOGY, // bad pattern topology
      ERR_APPLF_BAD_VERTEX, // first vertex not on an outer face boundary
      ERR_APPLF_INTERNAL_EEROR, // program error
      // Apply(volume)
      ERR_APPLV_BAD_SHAPE, // volume is not a brick of 6 faces
      // MakeMesh
      ERR_MAKEM_NOT_COMPUTED // mapping failed
      };

    /*!
     * Return error code of the last operation
     */
    ErrorCode GetErrorCode();

    /*!
     * Return true if the loaded pattern is a 2D one
     */
    boolean Is2D();

    /*!
     * Return coordinates of pattern points
     */
    point_array GetPoints();

    /*!
     * Return indices of key-points within the arrays returned by
     * GetPoints()
     */
    long_array GetKeyPoints();

    /*!
     * Return nodal connectivity of the elements of the pattern
     * or of all elements to be crated
     */
    array_of_long_array GetElementPoints(in boolean all);
  };
};

#endif