renderArrow
fn
void renderArrow(gtk.style_context.StyleContext context, cairo.context.Context cr, double angle, double x, double y, double size)Renders an arrow pointing to angle.
Typical arrow rendering at 0, 1⁄2 π;, π; and 3⁄2 π:

Parameters
context | a #GtkStyleContext |
cr | a #cairo_t |
angle | arrow angle from 0 to 2 * [glib.types.PI], being 0 the arrow pointing to the north |
x | X origin of the render area |
y | Y origin of the render area |
size | square side for render area |