Draw an oval on a canvas

canvas_oval(canvas, x1, y1, x2, y2, fill, outline, width, dash, ...)

Arguments

canvas

a tic_ui 'canvas' element.

x1, y1, x2, y2

corners of rectangle enclosing the oval

fill

line colour

outline

outline colour

width

line width e.g. width = 2

dash

Specifies the line's dash pattern. This should be a numeric vector with alternating lengths of "dash" and "space-between-dash". E.g. dash = c(6, 4, 2, 4) produces a dotted-dashed line

...

other line creation options. See https://www.tcl.tk/man/tcl8.6/TkCmd/canvas.html#M26