draw method
Renders this symbol type to the specified context
with the specified
size
in square pixels.
The context
implements the
CanvasPathMethods
interface. (Note that this is a subset of the CanvasRenderingContext2D
interface!) See also
d4_path.
Implementation
@override
draw(context, size) {
final y = sqrt(size / tan30_2);
final x = y * tan30;
context.moveTo(0, -y);
context.lineTo(x, 0);
context.lineTo(0, y);
context.lineTo(-x, 0);
context.closePath();
}