Actual source code: dellipse.c

  1: #ifdef PETSC_RCS_HEADER
  2: static char vcid[] = "$Id: dellipse.c,v 1.3 2000/01/10 03:26:52 knepley Exp $";
  3: #endif
  4: /*
  5:        Provides the calling sequences for all the basic Draw routines.
  6: */
 7:  #include src/sys/src/draw/drawimpl.h

  9: /*@
 10:   PetscDrawEllipse - Draws an ellipse onto a drawable.

 12:   Not collective

 14:   Input Parameters:
 15: + draw - The drawing context
 16: . x,y  - The center
 17: . a,b  - The major and minor axes lengths
 18: - c    - The color

 20:   Level: beginner

 22: .keywords: draw, ellipse
 23: .seealso: PetscDrawRectangle(), PetscDrawTriangle()
 24: @*/
 25: int PetscDrawEllipse(PetscDraw draw, PetscReal x, PetscReal y, PetscReal a, PetscReal b, int c)
 26: {
 27:   PetscTruth isdrawnull;
 28:   int        ierr;

 32:   PetscTypeCompare((PetscObject) draw, PETSC_DRAW_NULL, &isdrawnull);
 33:   if (isdrawnull) return(0);
 34:   (*draw->ops->ellipse)(draw, x, y, a, b, c);
 35:   return(0);
 36: }