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Gwyddion classes has to be initialized before they can be safely deserialized. The function gwy_type_init()
performs this initialization.
Before 3D widgets (Gwy3DView) can be used, OpenGL must be initialized with gwy_widgets_gl_init()
.
void
gwy_widgets_type_init (void
);
Makes libgwydgets types safe for deserialization and performs other initialization. You have to call this function before using widgets and objects from libgwydgets.
Calls gwy_draw_type_init()
first to make sure libgwydraw is initialized.
It is safe to call this function more than once, subsequent calls are no-op.