PangoLayout onto a GDK drawablegdkDrawLayout(object, gc, x, y, layout)objectGdkDrawable]   the drawable on which to draw stringgcGdkGC]         base graphics context to usexylayoutPangoContext has a transformation matrix set, then
x and y specify the position of the top left corner of the
bounding box (in device space) of the transformed layout.
  
If you're using GTK+, the usual way to obtain a PangoLayout
is gtkWidgetCreatePangoLayout.