10cce00440
Toolkits may need to paint actors internally outside the normal tree (for example to create a shadow shape), in which case they need to control the opacity directly. https://bugzilla.gnome.org/show_bug.cgi?id=677412 Signed-off-by: Emmanuele Bassi <ebassi@gnome.org>
324 lines
14 KiB
C
324 lines
14 KiB
C
/*
|
|
* Clutter.
|
|
*
|
|
* An OpenGL based 'interactive canvas' library.
|
|
*
|
|
* Copyright (C) 2010 Intel Corporation.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __CLUTTER_ACTOR_PRIVATE_H__
|
|
#define __CLUTTER_ACTOR_PRIVATE_H__
|
|
|
|
#include <clutter/clutter-actor.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/*< private >
|
|
* ClutterRedrawFlags:
|
|
* @CLUTTER_REDRAW_CLIPPED_TO_ALLOCATION: Tells clutter the maximum
|
|
* extents of what needs to be redrawn lies within the actors
|
|
* current allocation. (Only use this for 2D actors though because
|
|
* any actor with depth may be projected outside of its allocation)
|
|
*
|
|
* Flags passed to the clutter_actor_queue_redraw_with_clip ()
|
|
* function
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
typedef enum
|
|
{
|
|
CLUTTER_REDRAW_CLIPPED_TO_ALLOCATION = 1 << 0
|
|
} ClutterRedrawFlags;
|
|
|
|
/*< private >
|
|
* ClutterActorTraverseFlags:
|
|
* CLUTTER_ACTOR_TRAVERSE_DEPTH_FIRST: Traverse the graph in
|
|
* a depth first order.
|
|
* CLUTTER_ACTOR_TRAVERSE_BREADTH_FIRST: Traverse the graph in a
|
|
* breadth first order.
|
|
*
|
|
* Controls some options for how clutter_actor_traverse() iterates
|
|
* through the graph.
|
|
*/
|
|
typedef enum {
|
|
CLUTTER_ACTOR_TRAVERSE_DEPTH_FIRST = 1L<<0,
|
|
CLUTTER_ACTOR_TRAVERSE_BREADTH_FIRST = 1L<<1
|
|
} ClutterActorTraverseFlags;
|
|
|
|
/*< private >
|
|
* ClutterActorTraverseVisitFlags:
|
|
* CLUTTER_ACTOR_TRAVERSE_VISIT_CONTINUE: Continue traversing as
|
|
* normal
|
|
* CLUTTER_ACTOR_TRAVERSE_VISIT_SKIP_CHILDREN: Don't traverse the
|
|
* children of the last visited actor. (Not applicable when using
|
|
* %CLUTTER_ACTOR_TRAVERSE_DEPTH_FIRST_POST_ORDER since the children
|
|
* are visited before having an opportunity to bail out)
|
|
* CLUTTER_ACTOR_TRAVERSE_VISIT_BREAK: Immediately bail out without
|
|
* visiting any more actors.
|
|
*
|
|
* Each time an actor is visited during a scenegraph traversal the
|
|
* ClutterTraverseCallback can return a set of flags that may affect
|
|
* the continuing traversal. It may stop traversal completely, just
|
|
* skip over children for the current actor or continue as normal.
|
|
*/
|
|
typedef enum {
|
|
CLUTTER_ACTOR_TRAVERSE_VISIT_CONTINUE = 1L<<0,
|
|
CLUTTER_ACTOR_TRAVERSE_VISIT_SKIP_CHILDREN = 1L<<1,
|
|
CLUTTER_ACTOR_TRAVERSE_VISIT_BREAK = 1L<<2
|
|
} ClutterActorTraverseVisitFlags;
|
|
|
|
/*< private >
|
|
* ClutterTraverseCallback:
|
|
*
|
|
* The callback prototype used with clutter_actor_traverse. The
|
|
* returned flags can be used to affect the continuing traversal
|
|
* either by continuing as normal, skipping over children of an
|
|
* actor or bailing out completely.
|
|
*/
|
|
typedef ClutterActorTraverseVisitFlags (*ClutterTraverseCallback) (ClutterActor *actor,
|
|
gint depth,
|
|
gpointer user_data);
|
|
|
|
/*< private >
|
|
* ClutterForeachCallback:
|
|
* @actor: The actor being iterated
|
|
* @user_data: The private data specified when starting the iteration
|
|
*
|
|
* A generic callback for iterating over actor, such as with
|
|
* _clutter_actor_foreach_child. The difference when compared to
|
|
* #ClutterCallback is that it returns a boolean so it is possible to break
|
|
* out of an iteration early.
|
|
*
|
|
* Return value: %TRUE to continue iterating or %FALSE to break iteration
|
|
* early.
|
|
*/
|
|
typedef gboolean (*ClutterForeachCallback) (ClutterActor *actor,
|
|
gpointer user_data);
|
|
|
|
typedef struct _AnchorCoord AnchorCoord;
|
|
typedef struct _SizeRequest SizeRequest;
|
|
|
|
typedef struct _ClutterLayoutInfo ClutterLayoutInfo;
|
|
typedef struct _ClutterTransformInfo ClutterTransformInfo;
|
|
typedef struct _ClutterAnimationInfo ClutterAnimationInfo;
|
|
|
|
/* Internal helper struct to represent a point that can be stored in
|
|
either direct pixel coordinates or as a fraction of the actor's
|
|
size. It is used for the anchor point, scale center and rotation
|
|
centers. */
|
|
struct _AnchorCoord
|
|
{
|
|
gboolean is_fractional;
|
|
|
|
union
|
|
{
|
|
/* Used when is_fractional == TRUE */
|
|
struct
|
|
{
|
|
gdouble x;
|
|
gdouble y;
|
|
} fraction;
|
|
|
|
/* Use when is_fractional == FALSE */
|
|
ClutterVertex units;
|
|
} v;
|
|
};
|
|
|
|
struct _SizeRequest
|
|
{
|
|
guint age;
|
|
gfloat for_size;
|
|
gfloat min_size;
|
|
gfloat natural_size;
|
|
};
|
|
|
|
/*< private >
|
|
* ClutterLayoutInfo:
|
|
* @fixed_pos: the fixed position of the actor
|
|
* @margin: the composed margin of the actor
|
|
* @x_align: the horizontal alignment, if the actor expands horizontally
|
|
* @y_align: the vertical alignment, if the actor expands vertically
|
|
* @x_expand: whether the actor should expand horizontally
|
|
* @y_expand: whether the actor should expand vertically
|
|
* @minimum: the fixed minimum size
|
|
* @natural: the fixed natural size
|
|
*
|
|
* Ancillary layout information for an actor.
|
|
*/
|
|
struct _ClutterLayoutInfo
|
|
{
|
|
/* fixed position coordinates */
|
|
ClutterPoint fixed_pos;
|
|
|
|
ClutterMargin margin;
|
|
|
|
guint x_align : 4;
|
|
guint y_align : 4;
|
|
|
|
guint x_expand : 1;
|
|
guint y_expand : 1;
|
|
|
|
ClutterSize minimum;
|
|
ClutterSize natural;
|
|
};
|
|
|
|
const ClutterLayoutInfo * _clutter_actor_get_layout_info_or_defaults (ClutterActor *self);
|
|
ClutterLayoutInfo * _clutter_actor_get_layout_info (ClutterActor *self);
|
|
ClutterLayoutInfo * _clutter_actor_peek_layout_info (ClutterActor *self);
|
|
|
|
struct _ClutterTransformInfo
|
|
{
|
|
/* rotation (angle and center) */
|
|
gdouble rx_angle;
|
|
AnchorCoord rx_center;
|
|
|
|
gdouble ry_angle;
|
|
AnchorCoord ry_center;
|
|
|
|
gdouble rz_angle;
|
|
AnchorCoord rz_center;
|
|
|
|
/* scaling */
|
|
gdouble scale_x;
|
|
gdouble scale_y;
|
|
gdouble scale_z;
|
|
AnchorCoord scale_center;
|
|
|
|
/* anchor point */
|
|
AnchorCoord anchor;
|
|
|
|
/* translation */
|
|
ClutterVertex translation;
|
|
|
|
/* z_position */
|
|
gfloat z_position;
|
|
|
|
/* transformation center */
|
|
ClutterPoint pivot;
|
|
gfloat pivot_z;
|
|
|
|
CoglMatrix transform;
|
|
guint transform_set : 1;
|
|
|
|
CoglMatrix child_transform;
|
|
guint child_transform_set : 1;
|
|
};
|
|
|
|
const ClutterTransformInfo * _clutter_actor_get_transform_info_or_defaults (ClutterActor *self);
|
|
ClutterTransformInfo * _clutter_actor_get_transform_info (ClutterActor *self);
|
|
|
|
typedef struct _AState {
|
|
guint easing_duration;
|
|
guint easing_delay;
|
|
ClutterAnimationMode easing_mode;
|
|
} AState;
|
|
|
|
struct _ClutterAnimationInfo
|
|
{
|
|
GArray *states;
|
|
AState *cur_state;
|
|
|
|
GHashTable *transitions;
|
|
};
|
|
|
|
const ClutterAnimationInfo * _clutter_actor_get_animation_info_or_defaults (ClutterActor *self);
|
|
ClutterAnimationInfo * _clutter_actor_get_animation_info (ClutterActor *self);
|
|
|
|
ClutterTransition * _clutter_actor_create_transition (ClutterActor *self,
|
|
GParamSpec *pspec,
|
|
...);
|
|
ClutterTransition * _clutter_actor_get_transition (ClutterActor *self,
|
|
GParamSpec *pspec);
|
|
|
|
gboolean _clutter_actor_foreach_child (ClutterActor *self,
|
|
ClutterForeachCallback callback,
|
|
gpointer user_data);
|
|
void _clutter_actor_traverse (ClutterActor *actor,
|
|
ClutterActorTraverseFlags flags,
|
|
ClutterTraverseCallback before_children_callback,
|
|
ClutterTraverseCallback after_children_callback,
|
|
gpointer user_data);
|
|
ClutterActor * _clutter_actor_get_stage_internal (ClutterActor *actor);
|
|
|
|
void _clutter_actor_apply_modelview_transform (ClutterActor *self,
|
|
CoglMatrix *matrix);
|
|
void _clutter_actor_apply_relative_transformation_matrix (ClutterActor *self,
|
|
ClutterActor *ancestor,
|
|
CoglMatrix *matrix);
|
|
|
|
void _clutter_actor_rerealize (ClutterActor *self,
|
|
ClutterCallback callback,
|
|
gpointer data);
|
|
|
|
void _clutter_actor_set_in_clone_paint (ClutterActor *self,
|
|
gboolean is_in_clone_paint);
|
|
|
|
void _clutter_actor_set_enable_model_view_transform (ClutterActor *self,
|
|
gboolean enable);
|
|
|
|
void _clutter_actor_set_enable_paint_unmapped (ClutterActor *self,
|
|
gboolean enable);
|
|
|
|
void _clutter_actor_set_has_pointer (ClutterActor *self,
|
|
gboolean has_pointer);
|
|
|
|
void _clutter_actor_queue_redraw_with_clip (ClutterActor *self,
|
|
ClutterRedrawFlags flags,
|
|
ClutterPaintVolume *clip_volume);
|
|
void _clutter_actor_queue_redraw_full (ClutterActor *self,
|
|
ClutterRedrawFlags flags,
|
|
ClutterPaintVolume *volume,
|
|
ClutterEffect *effect);
|
|
|
|
ClutterPaintVolume * _clutter_actor_get_queue_redraw_clip (ClutterActor *self);
|
|
void _clutter_actor_set_queue_redraw_clip (ClutterActor *self,
|
|
ClutterPaintVolume *clip_volume);
|
|
void _clutter_actor_finish_queue_redraw (ClutterActor *self,
|
|
ClutterPaintVolume *clip);
|
|
|
|
gboolean _clutter_actor_set_default_paint_volume (ClutterActor *self,
|
|
GType check_gtype,
|
|
ClutterPaintVolume *volume);
|
|
|
|
const gchar * _clutter_actor_get_debug_name (ClutterActor *self);
|
|
|
|
void _clutter_actor_push_clone_paint (void);
|
|
void _clutter_actor_pop_clone_paint (void);
|
|
|
|
guint32 _clutter_actor_get_pick_id (ClutterActor *self);
|
|
|
|
void _clutter_actor_shader_pre_paint (ClutterActor *actor,
|
|
gboolean repeat);
|
|
void _clutter_actor_shader_post_paint (ClutterActor *actor);
|
|
|
|
ClutterActorAlign _clutter_actor_get_effective_x_align (ClutterActor *self);
|
|
|
|
void _clutter_actor_handle_event (ClutterActor *actor,
|
|
const ClutterEvent *event);
|
|
|
|
void _clutter_actor_attach_clone (ClutterActor *actor,
|
|
ClutterActor *clone);
|
|
void _clutter_actor_detach_clone (ClutterActor *actor,
|
|
ClutterActor *clone);
|
|
void _clutter_actor_queue_redraw_on_clones (ClutterActor *actor);
|
|
void _clutter_actor_queue_relayout_on_clones (ClutterActor *actor);
|
|
void _clutter_actor_queue_only_relayout (ClutterActor *actor);
|
|
|
|
CoglFramebuffer * _clutter_actor_get_active_framebuffer (ClutterActor *actor);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __CLUTTER_ACTOR_PRIVATE_H__ */
|