Provided by: allegro5-doc_5.0.10-2_all 

NAME
al_draw_ellipse - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro_primitives.h>
void al_draw_ellipse(float cx, float cy, float rx, float ry,
ALLEGRO_COLOR color, float thickness)
DESCRIPTION
Draws an outlined ellipse.
Parameters:
• cx, cy - Center of the ellipse
• rx, ry - Radii of the ellipse
• color - Color of the ellipse
• thickness - Thickness of the ellipse, pass <= 0 to draw a hairline ellipse
SEE ALSO
al_draw_filled_ellipse(3alleg5), al_draw_circle(3alleg5)
Allegro reference manual al_draw_ellipse(3alleg5)()