Creates a new #ClutterMargin.
the margin from the bottom
the margin from the left
the margin from the right
the margin from the top
Creates a new #ClutterMargin and copies the contents of margin_ into
the newly created structure.
Frees the resources allocated by clutter_margin_new() and clutter_margin_copy().
Creates a new #ClutterMargin.
A representation of the components of a margin.