Function

ClutterProgressFunc

Declaration 

gboolean
(* ClutterProgressFunc) (
  const GValue* a,
  const GValue* b,
  gdouble progress,
  GValue* retval
)

Description [src]

Prototype of the progress function used to compute the value between the two ends a and b of an interval depending on the value of progress.

The GValue in retval is already initialized with the same type as a and b.

This function will be called by ClutterInterval if the type of the values of the interval was registered using clutter_interval_register_progress_func().

Parameters

a

Type: GValue

The initial value of an interval.

The data is owned by the caller of the function.
b

Type: GValue

The final value of an interval.

The data is owned by the caller of the function.
progress

Type: gdouble

The progress factor, between 0 and 1.

retval

Type: GValue

The value used to store the progress.

The data is owned by the caller of the function.

Return value

Type: gboolean

TRUE if the function successfully computed the value and stored it inside retval.