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parent-child marker GObject.InitiallyUnowned
Clutter.Alpha

Class Clutter.Alpha

Import line:	Clutter = imports.gi.Clutter;
GIR File:	Clutter-1.0.gir
C documentation:	ClutterAlpha
Class :	Alpha
Implements:	Clutter.Scriptable
Extends:	GObject.InitiallyUnowned

ClutterAlpha combines a ClutterTimeline and a function.
The contents of the ClutterAlpha structure are private and should
only be accessed using the provided API.

Properties
Properties		Defined By
	alpha : gdouble read only The alpha value as computed by the alpha function. The alpha value as computed by the alpha function. The linear interval is 0.0 to 1.0, but the Alpha allows overshooting by one unit in each direction, so the valid interval is -1.0 to 2.0.	Clutter.Alpha
	g_type_instance : GObject.TypeInstance	GObject.InitiallyUnowned
	mode : guint32 The progress function logical id - either a value from the ClutterAnimationMode enumeration or a value returned by clutter_alpha_register_func(). The progress function logical id - either a value from the ClutterAnimationMode enumeration or a value returned by clutter_alpha_register_func(). If CLUTTER_CUSTOM_MODE is used then the function set using clutter_alpha_set_closure() or clutter_alpha_set_func() will be used.	Clutter.Alpha
	parent : GObject.InitiallyUnowned read only	Clutter.Alpha
	priv : Clutter.AlphaPrivate read only	Clutter.Alpha
	qdata : GLib.Data read only	GObject.InitiallyUnowned
	ref_count : guint32 read only	GObject.InitiallyUnowned
	timeline : Clutter.Timeline A ClutterTimeline instance used to drive the alpha function. A ClutterTimeline instance used to drive the alpha function.	Clutter.Alpha

Methods / Constructors
Method / Constructor		Defined By
	new Clutter.Alpha (Object *properties) Create a new Clutter.Alpha Create a new Clutter.Alpha Parameters: Object properties*
	new Clutter.Alpha.full (Timeline *timeline, guint32 mode) : Clutter.Alpha Create a new Clutter.Alpha Create a new Clutter.Alpha Parameters: Clutter.Timeline timeline* Required (not null) ClutterTimeline timeline guint32 mode Required (not null) animation mode Returns: Clutter.Alpha the newly created ClutterAlpha
	new Clutter.Alpha.with_func (Timeline *timeline, Function func, void *data, Function destroy) : Clutter.Alpha Create a new Clutter.Alpha Create a new Clutter.Alpha Parameters: Clutter.Timeline timeline* Required (not null) a ClutterTimeline Function (Alpha *alpha, void *user_data) : Clutter.Alpha Required (not null) a ClutterAlphaFunc* void* data Required (not null) data to pass to the function, or NULL Function (void* *data) : Clutter.Alpha Required (not null) function to call when removing the alpha function, or NULL* Returns: Clutter.Alpha the newly created ClutterAlpha
	Clutter.Alpha.register_func (Closure *closure) : guint32 Registers a global alpha function and returns its logical id to be used by clutter_alpha_set_mode() or by ClutterAnimation. Registers a global alpha function and returns its logical id to be used by clutter_alpha_set_mode() or by ClutterAnimation. The logical id is always greater than CLUTTER_ANIMATION_LAST. Parameters: GObject.Closure closure* Required (not null) Returns: guint32 the logical id of the alpha function	Clutter.Alpha
	get_alpha () : gdouble Query the current alpha value. Query the current alpha value. Returns: gdouble The current alpha value for the alpha	Clutter.Alpha
	get_id () : String Retrieves the id of scriptable set using clutter_scriptable_set_id(). Retrieves the id of scriptable set using clutter_scriptable_set_id(). the scriptable object and should never be modified of freed Returns: String the id of the object. The returned string is owned by	Clutter.Scriptable
	get_mode () : guint32 Retrieves the ClutterAnimationMode used by alpha. Retrieves the ClutterAnimationMode used by alpha. Returns: guint32 the animation mode	Clutter.Alpha
	get_timeline () : Clutter.Timeline Gets the ClutterTimeline bound to alpha. Gets the ClutterTimeline bound to alpha. Returns: Clutter.Timeline a ClutterTimeline instance	Clutter.Alpha
	parse_custom_node (Script *script, Value value, String name, Node node) : gboolean Parses the passed JSON node. Parses the passed JSON node. The implementation must set the type of the passed GValue* pointer using g_value_init(). Parameters: Clutter.Script script Required (not null) the ClutterScript creating the scriptable instance GObject.Value value Required (not null) the generic value to be set String name Required (not null) the name of the node Json.Node node Required (not null) the JSON node to be parsed Returns: gboolean TRUE if the node was successfully parsed, FALSE otherwise.	Clutter.Scriptable
	set_closure (Closure *closure) : none Sets the GClosure* used to compute the alpha value at each frame of the ClutterTimeline bound to alpha. Sets the GClosure used to compute the alpha value at each frame of the ClutterTimeline bound to alpha. Parameters: GObject.Closure closure Required (not null) A GClosure Returns: none	Clutter.Alpha
	set_custom_property (Script *script, String name, Value value) : none Overrides the common properties setting. Overrides the common properties setting. The underlying virtual function should be used when implementing custom properties. Parameters: Clutter.Script script* Required (not null) the ClutterScript creating the scriptable instance String name Required (not null) the name of the property GObject.Value value Required (not null) the value of the property Returns: none	Clutter.Scriptable
	set_func (Function *func, void *data, Function destroy) : none Sets the ClutterAlphaFunc* function used to compute the alpha value at each frame of the ClutterTimeline bound to alpha. Sets the ClutterAlphaFunc function used to compute the alpha value at each frame of the ClutterTimeline bound to alpha. This function will not register func as a global alpha function. Parameters: Function (Alpha *alpha, void *user_data) : none Required (not null) A ClutterAlphaFunc* void* data Required (not null) user data to be passed to the alpha function, or NULL Function (void* *data*) : none Required (not null) notify function used when disposing the alpha function Returns: none	Clutter.Alpha
	set_id (String *id_) : none Sets id as the unique Clutter script it for this instance of ClutterScriptableIface. Sets id as the unique Clutter script it for this instance of ClutterScriptableIface. This name can be used by user interface designer applications to define a unique name for an object constructable using the UI definition language parsed by ClutterScript. Parameters: String id_* Required (not null) Returns: none	Clutter.Scriptable
	set_mode (guint32 *mode) : none Sets the progress function of alpha* using the symbolic value of mode, as taken by the ClutterAnimationMode enumeration or using the value returned by clutter_alpha_register_func(). Sets the progress function of alpha using the symbolic value of mode, as taken by the ClutterAnimationMode enumeration or using the value returned by clutter_alpha_register_func(). Parameters: guint32 mode Required (not null) a ClutterAnimationMode Returns: none	Clutter.Alpha
	set_timeline (Timeline *timeline) : none Binds alpha* to timeline. Binds alpha to timeline. Parameters: Clutter.Timeline timeline Required (not null) A ClutterTimeline Returns: none	Clutter.Alpha

Events
None

Used by These Methods / Signals / Properties
Class / Namespace	Method / Signal / Properties
Clutter.Actor Method	animate_with_alphav (Alpha *alpha, gint32 n_properties, Array properties, Array values) : Clutter.Animation Animates the given list of properties of actor* between the current value for each property and a new final value.
Clutter.Animation Property	alpha : Clutter.Alpha The ClutterAlpha used by the animation.
Clutter.Animation Method	get_alpha () : Clutter.Alpha Retrieves the ClutterAlpha used by animation.
Clutter.Animation Method	set_alpha (Alpha *alpha) : none Sets alpha* as the ClutterAlpha used by animation.
Clutter.Behaviour Property	alpha : Clutter.Alpha The ClutterAlpha object used to drive this behaviour.
Clutter.Behaviour Method	get_alpha () : Clutter.Alpha Retrieves the ClutterAlpha object bound to behave.
Clutter.Behaviour Method	set_alpha (Alpha *alpha) : none Binds alpha* to a ClutterBehaviour.
Clutter.BehaviourDepth Method	new Clutter.BehaviourDepth.c_new (Alpha *alpha, gint32 depth_start, gint32 depth_end*) : Clutter.Behaviour Create a new Clutter.BehaviourDepth
Clutter.BehaviourEllipse Method	new Clutter.BehaviourEllipse.c_new (Alpha *alpha, gint32 x, gint32 y, gint32 width, gint32 height, RotateDirection direction, gdouble start, gdouble end*) : Clutter.Behaviour Create a new Clutter.BehaviourEllipse
Clutter.BehaviourOpacity Method	new Clutter.BehaviourOpacity.c_new (Alpha *alpha, guint8 opacity_start, guint8 opacity_end*) : Clutter.Behaviour Create a new Clutter.BehaviourOpacity
Clutter.BehaviourPath Method	new Clutter.BehaviourPath.c_new (Alpha *alpha, Path path*) : Clutter.Behaviour Create a new Clutter.BehaviourPath
Clutter.BehaviourPath Method	new Clutter.BehaviourPath.with_description (Alpha *alpha, String desc*) : Clutter.Behaviour Create a new Clutter.BehaviourPath
Clutter.BehaviourPath Method	new Clutter.BehaviourPath.with_knots (Alpha *alpha, Knot knots, guint32 n_knots*) : Clutter.Behaviour Create a new Clutter.BehaviourPath
Clutter.BehaviourRotate Method	new Clutter.BehaviourRotate.c_new (Alpha *alpha, RotateAxis axis, RotateDirection direction, gdouble angle_start, gdouble angle_end*) : Clutter.Behaviour Create a new Clutter.BehaviourRotate
Clutter.BehaviourScale Method	new Clutter.BehaviourScale.c_new (Alpha *alpha, gdouble x_scale_start, gdouble y_scale_start, gdouble x_scale_end, gdouble y_scale_end*) : Clutter.Behaviour Create a new Clutter.BehaviourScale
Clutter.LayoutManager Method	begin_animation (guint32 *duration, guint32 mode) : Clutter.Alpha Begins an animation of duration* milliseconds, using the provided easing mode The easing mode can be specified either as a ClutterAnimationMode or as a logical id returned by clutter_alpha_register_func() The result of this function depends on the manager implementation layout manager; the returned instance is owned by the layout manager and should not be unreferenced

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