/* Provides the calling sequences for all the basic Draw routines. */ #include /*I "petscdraw.h" I*/ /*@ PetscDrawEllipse - Draws an ellipse onto a drawable. Not collective Input Parameters: + draw - The drawing context . x,y - The center . a,b - The major and minor axes lengths - c - The color Level: beginner .keywords: draw, ellipse .seealso: PetscDrawRectangle(), PetscDrawTriangle(), PetscDrawMarker(), PetscDrawPoint(), PetscDrawString(), PetscDrawArrow() @*/ PetscErrorCode PetscDrawEllipse(PetscDraw draw, PetscReal x, PetscReal y, PetscReal a, PetscReal b, int c) { PetscErrorCode ierr; PetscFunctionBegin; PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID,1); if (!draw->ops->ellipse) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"No support for drawing ellipses"); ierr = (*draw->ops->ellipse)(draw, x, y, a, b, c);CHKERRQ(ierr); PetscFunctionReturn(0); }