#include <petsc/private/fortranimpl.h>
#include <petscdraw.h>

#if defined(PETSC_HAVE_FORTRAN_CAPS)
#define petscdrawzoom_            PETSCDRAWZOOM
#elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
#define petscdrawzoom_            petscdrawzoom
#endif

typedef void (*FCN)(PetscDraw*,void*,PetscErrorCode*); /* force argument to next function to not be extern C*/

static PetscErrorCode ourdrawzoom(PetscDraw draw,void *ctx)
{
  PetscErrorCode ierr = 0;

  (*(void (*)(PetscDraw*,void*,PetscErrorCode*))(((PetscObject)draw)->fortran_func_pointers[0]))(&draw,ctx,&ierr);
  return ierr;
}

PETSC_EXTERN void petscdrawzoom_(PetscDraw *draw,FCN f,void *ctx,PetscErrorCode *ierr)
{
  PetscObjectAllocateFortranPointers(*draw,1);
  ((PetscObject)*draw)->fortran_func_pointers[0] = (PetscVoidFunction)f;

  *ierr = PetscDrawZoom(*draw,ourdrawzoom,ctx);
}