static void
clutter_alpha_dispose (GObject *object)
{
ClutterAlpha *self = CLUTTER_ALPHA(object);
clutter_alpha_set_timeline (self, NULL);
G_OBJECT_CLASS (clutter_alpha_parent_class)->dispose (object);
}
/**
* clutter_alpha_new_with_func:
* @timeline: a #ClutterTimeline
* @func: a #ClutterAlphaFunc
* @data: data to pass to the function, or %NULL
* @destroy: function to call when removing the alpha function, or %NULL
*
* Creates a new #ClutterAlpha instances and sets the timeline
* and the alpha function.
*
* This function will not register @func as a global alpha function.
*
* See also clutter_alpha_set_timeline() and clutter_alpha_set_func().
*
* Return value: the newly created #ClutterAlpha
*
* Since: 1.0
*
* Deprecated: 1.12
*/
ClutterAlpha *
clutter_alpha_new_with_func (ClutterTimeline *timeline,
ClutterAlphaFunc func,
gpointer data,
GDestroyNotify destroy)
{
ClutterAlpha *retval;
g_return_val_if_fail (CLUTTER_IS_TIMELINE (timeline), NULL);
g_return_val_if_fail (func != NULL, NULL);
retval = clutter_alpha_new ();
clutter_alpha_set_timeline (retval, timeline);
clutter_alpha_set_func (retval, func, data, destroy);
return retval;
}
static void
clutter_alpha_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterAlpha *alpha = CLUTTER_ALPHA (object);
switch (prop_id)
{
case PROP_TIMELINE:
clutter_alpha_set_timeline (alpha, g_value_get_object (value));
break;
case PROP_MODE:
clutter_alpha_set_mode (alpha, g_value_get_ulong (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
StThemeNodeTransition *
st_theme_node_transition_new (StThemeNode *from_node,
StThemeNode *to_node,
guint duration)
{
StThemeNodeTransition *transition;
g_return_val_if_fail (ST_IS_THEME_NODE (from_node), NULL);
g_return_val_if_fail (ST_IS_THEME_NODE (to_node), NULL);
duration = st_theme_node_get_transition_duration (to_node);
transition = g_object_new (ST_TYPE_THEME_NODE_TRANSITION,
NULL);
transition->priv->old_theme_node = g_object_ref (from_node);
transition->priv->new_theme_node = g_object_ref (to_node);
transition->priv->alpha = clutter_alpha_new ();
transition->priv->timeline = clutter_timeline_new (duration);
transition->priv->timeline_completed_id =
g_signal_connect (transition->priv->timeline, "completed",
G_CALLBACK (on_timeline_completed), transition);
transition->priv->timeline_new_frame_id =
g_signal_connect (transition->priv->timeline, "new-frame",
G_CALLBACK (on_timeline_new_frame), transition);
clutter_alpha_set_mode (transition->priv->alpha, CLUTTER_EASE_IN_OUT_QUAD);
clutter_alpha_set_timeline (transition->priv->alpha,
transition->priv->timeline);
clutter_timeline_start (transition->priv->timeline);
return transition;
}