appendLayout
Creates render nodes for rendering @layout in the given foregound @color and appends them to the current node of @snapshot without changing the current node. The current theme's foreground color for a widget can be obtained with method@Gtk.Widget.get_color.
Note that if the layout does not produce any visible output, then nodes may not be added to the @snapshot.
Parameters
layout
the PangoLayout
to render
color
the foreground color to render the layout in