mirror of
https://github.com/brl/mutter.git
synced 2024-11-22 08:00:42 -05:00
ab7af2d0c5
`_clutter_actor_get_transition` is almost identical to
`clutter_actor_get_transition` and isn't used anywhere in the code (we
stopped using it with ee00e37b), remove it!
https://gitlab.gnome.org/GNOME/mutter/merge_requests/791
325 lines
14 KiB
C
325 lines
14 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2010 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __CLUTTER_ACTOR_PRIVATE_H__
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#define __CLUTTER_ACTOR_PRIVATE_H__
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#include <clutter/clutter-actor.h>
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G_BEGIN_DECLS
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/*< private >
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* ClutterRedrawFlags:
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* @CLUTTER_REDRAW_CLIPPED_TO_ALLOCATION: Tells clutter the maximum
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* extents of what needs to be redrawn lies within the actors
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* current allocation. (Only use this for 2D actors though because
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* any actor with depth may be projected outside of its allocation)
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*
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* Flags passed to the clutter_actor_queue_redraw_with_clip ()
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* function
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*
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* Since: 1.6
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*/
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typedef enum
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{
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CLUTTER_REDRAW_CLIPPED_TO_ALLOCATION = 1 << 0
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} ClutterRedrawFlags;
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/*< private >
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* ClutterActorTraverseFlags:
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* CLUTTER_ACTOR_TRAVERSE_DEPTH_FIRST: Traverse the graph in
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* a depth first order.
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* CLUTTER_ACTOR_TRAVERSE_BREADTH_FIRST: Traverse the graph in a
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* breadth first order.
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*
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* Controls some options for how clutter_actor_traverse() iterates
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* through the graph.
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*/
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typedef enum
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{
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CLUTTER_ACTOR_TRAVERSE_DEPTH_FIRST = 1L<<0,
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CLUTTER_ACTOR_TRAVERSE_BREADTH_FIRST = 1L<<1
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} ClutterActorTraverseFlags;
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/*< private >
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* ClutterActorTraverseVisitFlags:
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* CLUTTER_ACTOR_TRAVERSE_VISIT_CONTINUE: Continue traversing as
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* normal
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* CLUTTER_ACTOR_TRAVERSE_VISIT_SKIP_CHILDREN: Don't traverse the
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* children of the last visited actor. (Not applicable when using
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* %CLUTTER_ACTOR_TRAVERSE_DEPTH_FIRST_POST_ORDER since the children
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* are visited before having an opportunity to bail out)
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* CLUTTER_ACTOR_TRAVERSE_VISIT_BREAK: Immediately bail out without
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* visiting any more actors.
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*
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* Each time an actor is visited during a scenegraph traversal the
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* ClutterTraverseCallback can return a set of flags that may affect
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* the continuing traversal. It may stop traversal completely, just
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* skip over children for the current actor or continue as normal.
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*/
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typedef enum
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{
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CLUTTER_ACTOR_TRAVERSE_VISIT_CONTINUE = 1L<<0,
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CLUTTER_ACTOR_TRAVERSE_VISIT_SKIP_CHILDREN = 1L<<1,
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CLUTTER_ACTOR_TRAVERSE_VISIT_BREAK = 1L<<2
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} ClutterActorTraverseVisitFlags;
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/*< private >
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* ClutterTraverseCallback:
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*
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* The callback prototype used with clutter_actor_traverse. The
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* returned flags can be used to affect the continuing traversal
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* either by continuing as normal, skipping over children of an
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* actor or bailing out completely.
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*/
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typedef ClutterActorTraverseVisitFlags (*ClutterTraverseCallback) (ClutterActor *actor,
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gint depth,
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gpointer user_data);
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/*< private >
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* ClutterForeachCallback:
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* @actor: The actor being iterated
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* @user_data: The private data specified when starting the iteration
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*
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* A generic callback for iterating over actor, such as with
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* _clutter_actor_foreach_child. The difference when compared to
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* #ClutterCallback is that it returns a boolean so it is possible to break
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* out of an iteration early.
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*
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* Return value: %TRUE to continue iterating or %FALSE to break iteration
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* early.
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*/
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typedef gboolean (*ClutterForeachCallback) (ClutterActor *actor,
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gpointer user_data);
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typedef struct _AnchorCoord AnchorCoord;
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typedef struct _SizeRequest SizeRequest;
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typedef struct _ClutterLayoutInfo ClutterLayoutInfo;
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typedef struct _ClutterTransformInfo ClutterTransformInfo;
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typedef struct _ClutterAnimationInfo ClutterAnimationInfo;
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/* Internal helper struct to represent a point that can be stored in
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either direct pixel coordinates or as a fraction of the actor's
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size. It is used for the anchor point, scale center and rotation
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centers. */
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struct _AnchorCoord
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{
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gboolean is_fractional;
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union
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{
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/* Used when is_fractional == TRUE */
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struct
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{
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gdouble x;
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gdouble y;
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} fraction;
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/* Use when is_fractional == FALSE */
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ClutterVertex units;
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} v;
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};
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struct _SizeRequest
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{
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guint age;
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gfloat for_size;
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gfloat min_size;
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gfloat natural_size;
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};
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/*< private >
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* ClutterLayoutInfo:
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* @fixed_pos: the fixed position of the actor
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* @margin: the composed margin of the actor
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* @x_align: the horizontal alignment, if the actor expands horizontally
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* @y_align: the vertical alignment, if the actor expands vertically
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* @x_expand: whether the actor should expand horizontally
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* @y_expand: whether the actor should expand vertically
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* @minimum: the fixed minimum size
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* @natural: the fixed natural size
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*
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* Ancillary layout information for an actor.
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*/
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struct _ClutterLayoutInfo
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{
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/* fixed position coordinates */
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ClutterPoint fixed_pos;
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ClutterMargin margin;
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guint x_align : 4;
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guint y_align : 4;
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guint x_expand : 1;
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guint y_expand : 1;
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ClutterSize minimum;
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ClutterSize natural;
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};
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const ClutterLayoutInfo * _clutter_actor_get_layout_info_or_defaults (ClutterActor *self);
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ClutterLayoutInfo * _clutter_actor_get_layout_info (ClutterActor *self);
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ClutterLayoutInfo * _clutter_actor_peek_layout_info (ClutterActor *self);
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struct _ClutterTransformInfo
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{
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/* rotation (angle and center) */
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gdouble rx_angle;
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AnchorCoord rx_center;
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gdouble ry_angle;
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AnchorCoord ry_center;
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gdouble rz_angle;
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AnchorCoord rz_center;
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/* scaling */
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gdouble scale_x;
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gdouble scale_y;
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gdouble scale_z;
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AnchorCoord scale_center;
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/* anchor point */
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AnchorCoord anchor;
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/* translation */
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ClutterVertex translation;
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/* z_position */
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gfloat z_position;
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/* transformation center */
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ClutterPoint pivot;
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gfloat pivot_z;
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CoglMatrix transform;
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guint transform_set : 1;
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CoglMatrix child_transform;
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guint child_transform_set : 1;
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};
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const ClutterTransformInfo * _clutter_actor_get_transform_info_or_defaults (ClutterActor *self);
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ClutterTransformInfo * _clutter_actor_get_transform_info (ClutterActor *self);
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typedef struct _AState {
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guint easing_duration;
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guint easing_delay;
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ClutterAnimationMode easing_mode;
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} AState;
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struct _ClutterAnimationInfo
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{
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GArray *states;
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AState *cur_state;
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GHashTable *transitions;
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};
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const ClutterAnimationInfo * _clutter_actor_get_animation_info_or_defaults (ClutterActor *self);
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ClutterAnimationInfo * _clutter_actor_get_animation_info (ClutterActor *self);
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ClutterTransition * _clutter_actor_create_transition (ClutterActor *self,
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GParamSpec *pspec,
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...);
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gboolean _clutter_actor_foreach_child (ClutterActor *self,
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ClutterForeachCallback callback,
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gpointer user_data);
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void _clutter_actor_traverse (ClutterActor *actor,
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ClutterActorTraverseFlags flags,
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ClutterTraverseCallback before_children_callback,
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ClutterTraverseCallback after_children_callback,
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gpointer user_data);
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ClutterActor * _clutter_actor_get_stage_internal (ClutterActor *actor);
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void _clutter_actor_apply_modelview_transform (ClutterActor *self,
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CoglMatrix *matrix);
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void _clutter_actor_apply_relative_transformation_matrix (ClutterActor *self,
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ClutterActor *ancestor,
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CoglMatrix *matrix);
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void _clutter_actor_rerealize (ClutterActor *self,
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ClutterCallback callback,
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gpointer data);
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void _clutter_actor_set_in_clone_paint (ClutterActor *self,
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gboolean is_in_clone_paint);
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void _clutter_actor_set_enable_model_view_transform (ClutterActor *self,
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gboolean enable);
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void _clutter_actor_set_enable_paint_unmapped (ClutterActor *self,
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gboolean enable);
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void _clutter_actor_set_has_pointer (ClutterActor *self,
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gboolean has_pointer);
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void _clutter_actor_queue_redraw_with_clip (ClutterActor *self,
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ClutterRedrawFlags flags,
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const ClutterPaintVolume *clip_volume);
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void _clutter_actor_queue_redraw_full (ClutterActor *self,
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ClutterRedrawFlags flags,
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const ClutterPaintVolume *volume,
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ClutterEffect *effect);
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void _clutter_actor_finish_queue_redraw (ClutterActor *self,
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ClutterPaintVolume *clip);
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gboolean _clutter_actor_set_default_paint_volume (ClutterActor *self,
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GType check_gtype,
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ClutterPaintVolume *volume);
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const gchar * _clutter_actor_get_debug_name (ClutterActor *self);
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void _clutter_actor_push_clone_paint (void);
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void _clutter_actor_pop_clone_paint (void);
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void _clutter_actor_shader_pre_paint (ClutterActor *actor,
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gboolean repeat);
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void _clutter_actor_shader_post_paint (ClutterActor *actor);
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ClutterActorAlign _clutter_actor_get_effective_x_align (ClutterActor *self);
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void _clutter_actor_handle_event (ClutterActor *actor,
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const ClutterEvent *event);
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void _clutter_actor_attach_clone (ClutterActor *actor,
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ClutterActor *clone);
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void _clutter_actor_detach_clone (ClutterActor *actor,
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ClutterActor *clone);
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void _clutter_actor_queue_redraw_on_clones (ClutterActor *actor);
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void _clutter_actor_queue_relayout_on_clones (ClutterActor *actor);
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void _clutter_actor_queue_only_relayout (ClutterActor *actor);
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void _clutter_actor_queue_update_resource_scale_recursive (ClutterActor *actor);
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CoglFramebuffer * _clutter_actor_get_active_framebuffer (ClutterActor *actor);
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gboolean _clutter_actor_get_real_resource_scale (ClutterActor *actor,
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float *resource_scale);
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ClutterPaintNode * clutter_actor_create_texture_paint_node (ClutterActor *self,
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CoglTexture *texture);
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G_END_DECLS
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#endif /* __CLUTTER_ACTOR_PRIVATE_H__ */
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