## Name

`GrEllipse` -- Draw the perimeter of an ellipse

## Synopsis

void `GrEllipse` (
GR_DRAW_ID *id*,
GR_GC_ID *gc*,
GR_COORD *x*,
GR_COORD *y*,
GR_SIZE *rx*,
GR_SIZE *ry*
);

### Parameters

*id*The ID of the window or other drawable area.

*gc*The graphics context to use when drawing the ellipse.

*x*, *y*The center of the ellipse relative to the
drawable area.

*rx*, *ry*The radii of the ellipse.

## Description

The `GrEllipse` function
draws the perimeter of the ellipse with its center at
( *x*, *y*) and
horizontal radius of *rx* and
a vertical radius of *ry*.