Renders an icon of given size.
The base of the icon is set by the last call to one of:
size cannot be lower than 1.
widget of which style settings may be used.
size of the rendered icon.
A #GdkPaintable. The paintable belongs to attributes and should not be unreffed.
Renders an icon of given size.
The base of the icon is set by the last call to one of:
size cannot be lower than 1.