[cairo] cairo_set_user_data () and other "set_user_data" functions

Daniel Goldman dagoldman at yahoo.com
Fri Aug 20 13:23:45 PDT 2010

When might I want to use cairo_set_user_data () and the other "set_user_data" 
functions? I understand what cairo_set_user_data () does. But I looked through 
the docs and archive and couldn't see any examples or guidance related to 
real-world use.


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