introspection: Add missing (out) annotations

Comprehensively add (out) annotations to functions parameters
returning int/float/double.

Not handled here: structure out returns like ClutterColor or
ClutterPerspective or GValue that should get (out caller-allocates).

Not handled here: Cogl

http://bugzilla.clutter-project.org/show_bug.cgi?id=2302

clutter/clutter-actor.c

@@ -8764,7 +8764,7 @@ clutter_animatable_iface_init (ClutterAnimatableIface *iface)
 }
 
 /**
- * clutter_actor_transform_stage_point
+ * clutter_actor_transform_stage_point:
  * @self: A #ClutterActor
  * @x: (in): x screen coordinate of the point to unproject
  * @y: (in): y screen coordinate of the point to unproject

clutter/clutter-behaviour-depth.c

@@ -263,8 +263,8 @@ clutter_behaviour_depth_set_bounds (ClutterBehaviourDepth *behaviour,
 /**
  * clutter_behaviour_depth_get_bounds:
  * @behaviour: a #ClutterBehaviourDepth
- * @depth_start: return location for the initial depth value, or %NULL
- * @depth_end: return location for the final depth value, or %NULL
+ * @depth_start: (out): return location for the initial depth value, or %NULL
+ * @depth_end: (out): return location for the final depth value, or %NULL
  *
  * Gets the boundaries of the @behaviour
  *

clutter/clutter-behaviour-ellipse.c

@@ -629,8 +629,8 @@ clutter_behaviour_ellipse_set_center (ClutterBehaviourEllipse *self,
 /**
  * clutter_behaviour_ellipse_get_center:
  * @self: a #ClutterBehaviourEllipse
- * @x: return location for the X coordinate of the center, or %NULL
- * @y: return location for the Y coordinate of the center, or %NULL
+ * @x: (out): return location for the X coordinate of the center, or %NULL
+ * @y: (out): return location for the Y coordinate of the center, or %NULL
  *
  * Gets the center of the elliptical path path.
  *
@@ -979,9 +979,9 @@ clutter_behaviour_ellipse_set_tilt (ClutterBehaviourEllipse *self,
 /**
  * clutter_behaviour_ellipse_get_tilt:
  * @self: a #ClutterBehaviourEllipse
- * @angle_tilt_x: return location for tilt angle on the X axis, or %NULL.
- * @angle_tilt_y: return location for tilt angle on the Y axis, or %NULL.
- * @angle_tilt_z: return location for tilt angle on the Z axis, or %NULL.
+ * @angle_tilt_x: (out): return location for tilt angle on the X axis, or %NULL.
+ * @angle_tilt_y: (out): return location for tilt angle on the Y axis, or %NULL.
+ * @angle_tilt_z: (out): return location for tilt angle on the Z axis, or %NULL.
  *
  * Gets the tilt of the ellipse around the center in Y axis.
  *

clutter/clutter-behaviour-opacity.c

@@ -287,8 +287,8 @@ clutter_behaviour_opacity_set_bounds (ClutterBehaviourOpacity *behaviour,
 /**
  * clutter_behaviour_opacity_get_bounds:
  * @behaviour: a #ClutterBehaviourOpacity
- * @opacity_start: return location for the minimum level of opacity, or %NULL
- * @opacity_end: return location for the maximum level of opacity, or %NULL
+ * @opacity_start: (out): return location for the minimum level of opacity, or %NULL
+ * @opacity_end: (out): return location for the maximum level of opacity, or %NULL
  *
  * Gets the initial and final levels of the opacity applied by @behaviour
  * on each actor it controls.

clutter/clutter-behaviour-rotate.c

@@ -655,9 +655,9 @@ clutter_behaviour_rotate_set_center (ClutterBehaviourRotate *rotate,
 /**
  * clutter_behaviour_rotate_get_center:
  * @rotate: a #ClutterBehaviourRotate
- * @x: return location for the X center of rotation
- * @y: return location for the Y center of rotation
- * @z: return location for the Z center of rotation
+ * @x: (out): return location for the X center of rotation
+ * @y: (out): return location for the Y center of rotation
+ * @z: (out): return location for the Z center of rotation
  *
  * Retrieves the center of rotation set using
  * clutter_behaviour_rotate_set_center().

clutter/clutter-behaviour-scale.c

@@ -377,13 +377,13 @@ clutter_behaviour_scale_set_bounds (ClutterBehaviourScale *scale,
 /**
  * clutter_behaviour_scale_get_bounds:
  * @scale: a #ClutterBehaviourScale
- * @x_scale_start: return location for the initial scale factor on the X
+ * @x_scale_start: (out): return location for the initial scale factor on the X
  *   axis, or %NULL
- * @y_scale_start: return location for the initial scale factor on the Y
+ * @y_scale_start: (out): return location for the initial scale factor on the Y
  *   axis, or %NULL
- * @x_scale_end: return location for the final scale factor on the X axis,
+ * @x_scale_end: (out): return location for the final scale factor on the X axis,
  *   or %NULL
- * @y_scale_end: return location for the final scale factor on the Y axis,
+ * @y_scale_end: (out): return location for the final scale factor on the Y axis,
  *   or %NULL
  *
  * Retrieves the bounds used by scale behaviour.

clutter/clutter-cairo-texture.c

@@ -732,8 +732,8 @@ clutter_cairo_texture_set_surface_size (ClutterCairoTexture *self,
 /**
  * clutter_cairo_texture_get_surface_size:
  * @self: a #ClutterCairoTexture
- * @width: return location for the surface width, or %NULL
- * @height: return location for the surface height, or %NULL
+ * @width: (out): return location for the surface width, or %NULL
+ * @height: (out): return location for the surface height, or %NULL
  *
  * Retrieves the surface width and height for @self.
  *

clutter/clutter-color.c

@@ -136,9 +136,9 @@ clutter_color_darken (const ClutterColor *color,
 /**
  * clutter_color_to_hls:
  * @color: a #ClutterColor
- * @hue: return location for the hue value or %NULL
- * @luminance: return location for the luminance value or %NULL
- * @saturation: return location for the saturation value or %NULL
+ * @hue: (out): return location for the hue value or %NULL
+ * @luminance: (out): return location for the luminance value or %NULL
+ * @saturation: (out): return location for the saturation value or %NULL
  *
  * Converts @color to the HLS format.
  *

clutter/clutter-script-parser.c

@@ -149,7 +149,7 @@ clutter_script_get_type_from_class (const gchar *name)
  * clutter_script_enum_from_string:
  * @type: a #GType for an enumeration type
  * @string: the enumeration value as a string
- * @enum_value: return location for the enumeration value as an integer
+ * @enum_value: (out): return location for the enumeration value as an integer
  *
  * Converts an enumeration value inside @string into a numeric
  * value and places it into @enum_value.

clutter/clutter-text.c

@@ -746,9 +746,9 @@ clutter_text_coords_to_position (ClutterText *text,
  * clutter_text_position_to_coords:
  * @self: a #ClutterText
  * @position: position in characters
- * @x: return location for the X coordinate, or %NULL
- * @y: return location for the Y coordinate, or %NULL
- * @line_height: return location for the line height, or %NULL
+ * @x: (out): return location for the X coordinate, or %NULL
+ * @y: (out): return location for the Y coordinate, or %NULL
+ * @line_height: (out): return location for the line height, or %NULL
  *
  * Retrieves the coordinates of the given @position.
  *