/*===========================================================================

        Copyright (c) 1998,1999  Unigraphics Solutions Corporation
                     Unpublished - All rights reserved

===========================================================================*/
/***************************************************************************/
/*
 *  Description
 *    This function is a small sample program that demonstrates
 *    the invocation of UF_DRAW_create_simple_sxview.  It is placed
 *    directly in our UFUN documentation starting with the
 *    include statements.
 *
 *
 ****************************************************************************/


#include <stdio.h>
#include <uf.h>
#include <uf_defs.h>
#include <uf_draw.h>
#include <uf_draw_types.h>
#include <uf_drf_types.h>
#include <uf_obj.h>

/* ARGSUSED */
void ufusr(char *param, int *retcod, int param_len)
{
    int                         ifail = 0;
    int                         num_sxviews;
    int                         num_sxsegs;
    int                         seg_ndx;
    tag_t                       sxline1_tag = NULL_TAG;
    tag_t                       pview_tag;
    tag_t                       dwg_tag;
    tag_t                       curve_tag;
    tag_t                       new_sxview_tag;
    tag_t *                     sxview_tags = NULL;
    tag_t *                     sxseg_tags = NULL;
    double                      step_dir[3];
    double                      arrow_dir[3];
    double                      view_placement_pt[2];
    double                      sxview_scale = 1.0;
    char                        error_message[MAX_LINE_SIZE + 1];
    char *                      sxline1 = "simple_sxline1";
    UF_DRAW_sxline_status_t     sxline_status;
    UF_DRAW_sxseg_info_t        sxseg_info;
    UF_DRF_object_p_t           object = NULL;

    ifail = UF_initialize();
    if( !ifail )
    {
        /* Find the tag of the section line from its name. */
        ifail = UF_OBJ_cycle_by_name(sxline1, &sxline1_tag );
    }

    if( !ifail )
    {
        /* Retrieve information about a simple section line. */
        ifail = UF_DRAW_ask_simple_sxline( sxline1_tag, step_dir, arrow_dir,
                                           &pview_tag, &num_sxviews,
                                           &sxview_tags, &num_sxsegs,
                                           &sxseg_tags, &sxline_status );
    }

    if (!ifail)
    {
        /* Get the tag of the current drawing. */
	ifail = UF_DRAW_ask_current_drawing( &dwg_tag );
    }

    if ( !ifail )
    {
         /* find the drawing reference point */
        ifail = UF_DRAW_ask_drawing_ref_pt( sxview_tags[0],
                                            view_placement_pt );
    }

    if( !ifail )
    {

        /* Get the section line segment information. */
        for( seg_ndx = 0; seg_ndx < num_sxsegs; seg_ndx++ )
        {
            ifail = UF_DRAW_ask_sxline_sxseg( sxseg_tags[seg_ndx],
                &sxseg_info, &curve_tag, &object );
            if( ifail ) break;

            /* Save only the cut segment. */
            if( sxseg_info.sxseg_type == UF_DRAW_sxseg_cut ) break;

            /* If not a cut segment, free it. */
            UF_free( object );
        }
    }

    /* Create a similar simple section line. */
    if( !ifail )
    {
        ifail = UF_DRAW_create_simple_sxview( dwg_tag, sxview_scale,
                                              step_dir, arrow_dir,
                                              pview_tag, object,
                                              view_placement_pt,
                                              &new_sxview_tag );
    }

    UF_free( object );
    UF_free( sxview_tags );
    UF_free( sxseg_tags );

    printf( "UF_DRAW_create_simple_sxview sample " );
    if( ifail )
    {
        ifail = UF_get_fail_message( ifail, error_message );
        printf( "fails.\nError is: %s\n", error_message );
    }
    else
        printf( "is successful.\n" );

    ifail = UF_terminate();

}