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→Going from Cairo in GTK-2 to Cairo in GTK-3
===Going from Cairo in GTK-2 to Cairo in GTK-3===
===Going from Cairo in GTK-2 to Cairo in GTK-3===
(See http://developer.gnome.org/pangomm/2.28/annotated.html for more details)
Not much changes, but...
Not much changes, but...
PangoCairo.show_layout(cairo_context, pango_layout)
PangoCairo.show_layout(cairo_context, pango_layout)
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The get_extents() method if different in PangoCairo. It calculates an extent as a Rectangle, but doesn't return anything. There is a method, get_logical_extents() that returns a Rectangle. Alas, it is not necessarily available after v1.16. Note that Rectangle is not a list but a class with methods for get_x(), get_y(), get_width(), and get_height(), so you cannot iter over it.
===Taking a screenshot and making a thumbnail===
===Taking a screenshot and making a thumbnail===