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@deftp Class <clutter-behaviour-opacity>
Derives from @code{<clutter-behaviour>}.

This class defines the following slots:

@table @code
@item opacity-start
Initial opacity level

@item opacity-end
Final opacity level

@end table

@end deftp

@deffn Function clutter-behaviour-opacity-new  (alpha@tie{}@code{<clutter-alpha>}) (opacity_start@tie{}@code{unsigned-int8}) (opacity_end@tie{}@code{unsigned-int8}) @result{}@tie{} (ret@tie{}@code{<clutter-behaviour>})
Creates a new @code{<clutter-behaviour-opacity>} object, driven by @var{alpha}
which controls the opacity property of every actor, making it change in the
interval between @var{opacity-start} and @var{opacity-end}.

@table @var
@item alpha
a @code{<clutter-alpha>} instance, or @samp{@code{#f}}

@item opacity-start
minimum level of opacity

@item opacity-end
maximum level of opacity

@item ret
the newly created @code{<clutter-behaviour-opacity>}

@end table

Since 0.2

@end deffn


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