/*
 This example adds a detailed view of the TOP@1 view to the drawing,
 with a scale of 2.5.
*/
#include <stdlib.h>
#include <stdio.h>
#include <uf.h>
#include <uf_defs.h>
#include <uf_draw.h>
#include <uf_obj.h>
#include <uf_part.h>
void ufusr(char *param, int *retcod, int param_len)
{
  double      corner1[2] = {1.0, 1.0};
  double      corner2[2] = {4.0, 4.0};
  double      reference_point[2] = {10.0, 12.0};
  double      detail_view_scale = 2.5;
  int         ifail = 0;
  tag_t       drawing_tag = NULL_TAG;
  tag_t       part_tag = NULL_TAG;
  tag_t       parent_view_tag = NULL_TAG;
  tag_t       detail_view_tag = NULL_TAG;
  char        error_message[133];
  char        *view_name = "TOP@1";

  ifail = UF_initialize();

  if( !ifail )
      part_tag = UF_PART_ask_display_part();

  if( !ifail && part_tag != NULL_TAG )
      ifail = UF_DRAW_ask_current_drawing( &drawing_tag );

  if( !ifail && part_tag != NULL_TAG && drawing_tag != NULL_TAG
)
  {
      ifail = UF_OBJ_cycle_by_name( view_name, &parent_view_tag );

    if( !ifail && parent_view_tag != NULL_TAG )
        ifail = UF_DRAW_add_detail_view( drawing_tag,
                                         parent_view_tag,
                                         corner1,
                                         corner2,
                                         detail_view_scale,
                                         reference_point,
  }
  printf( "UF_DRAW_add_detail_view " );
  if( ifail )
  {
      ifail = UF_get_fail_message( ifail, error_message );
      printf( "fails. \nError is:%s\n", error_message );
  }
  else if( part_tag == NULL_TAG )
      printf( "fails.\nError is: no active part.\n" );
  else if ( drawing_tag == NULL_TAG )
      printf( "fails.\nError is: no current drawing.\n" );
  else
      printf( "is successful.\n" );

  ifail = UF_terminate();
}