[cairo] cairo_set_user_data () and other "set_user_data" functions
M Joonas Pihlaja
jpihlaja at cc.helsinki.fi
Fri Aug 20 13:37:23 PDT 2010
On Fri, 20 Aug 2010, Daniel Goldman wrote:
> 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.
Whenever you wish to attach some non-cairo data to a cairo object.
Typically, you'd attach a resource whose lifetime is dependent on the
lifetime of the cairo object, thereby passing ownership of the
resource to the cairo object.
> But I looked through
> the docs and archive and couldn't see any examples or guidance related to
> real-world use.
Koders.com or google code search are a great tools for finding
real-world uses of APIs. For instance
More information about the cairo