renderBackground 
  fun renderBackground(context: StyleContext, cr: <Error class: unknown class>, x: <Error class: unknown class>, y: <Error class: unknown class>, width: <Error class: unknown class>, height: <Error class: unknown class>)(source)
⚠️ Deprecated ⚠️
This is deprecated since version 4.10.
---Renders the background of an element.
Typical background rendering, showing the effect of background-image, border-width and border-radius:

Parameters
context
a GtkStyleContext
cr
a cairo_t
x
X origin of the rectangle
y
Y origin of the rectangle
width
rectangle width
height
rectangle height