mirror of
https://github.com/brl/mutter.git
synced 2024-11-27 10:30:47 -05:00
9e011958d4
It'll allow subclasses to get notified of the before-paint signal without having to connect to it. This will allow MetaStage to have proper watches being fired there without the cost of the signal handling machinery. https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1421
242 lines
9.6 KiB
C
242 lines
9.6 KiB
C
/*
|
|
* Clutter.
|
|
*
|
|
* An OpenGL based 'interactive canvas' library.
|
|
*
|
|
* Authored By Matthew Allum <mallum@openedhand.com>
|
|
*
|
|
* Copyright (C) 2006 OpenedHand
|
|
*
|
|
* 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_STAGE_H__
|
|
#define __CLUTTER_STAGE_H__
|
|
|
|
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
|
|
#error "Only <clutter/clutter.h> can be included directly."
|
|
#endif
|
|
|
|
#include <clutter/clutter-actor.h>
|
|
#include <clutter/clutter-types.h>
|
|
#include <clutter/clutter-stage-view.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define CLUTTER_TYPE_STAGE (clutter_stage_get_type())
|
|
|
|
#define CLUTTER_STAGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_STAGE, ClutterStage))
|
|
#define CLUTTER_STAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_STAGE, ClutterStageClass))
|
|
#define CLUTTER_IS_STAGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_STAGE))
|
|
#define CLUTTER_IS_STAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_STAGE))
|
|
#define CLUTTER_STAGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_STAGE, ClutterStageClass))
|
|
|
|
typedef struct _ClutterStageClass ClutterStageClass;
|
|
typedef struct _ClutterStagePrivate ClutterStagePrivate;
|
|
|
|
/**
|
|
* ClutterStage:
|
|
*
|
|
* The #ClutterStage structure contains only private data
|
|
* and should be accessed using the provided API
|
|
*
|
|
* Since: 0.2
|
|
*/
|
|
struct _ClutterStage
|
|
{
|
|
/*< private >*/
|
|
ClutterActor parent_instance;
|
|
|
|
ClutterStagePrivate *priv;
|
|
};
|
|
/**
|
|
* ClutterStageClass:
|
|
* @activate: handler for the #ClutterStage::activate signal
|
|
* @deactivate: handler for the #ClutterStage::deactivate signal
|
|
*
|
|
* The #ClutterStageClass structure contains only private data
|
|
*
|
|
* Since: 0.2
|
|
*/
|
|
|
|
struct _ClutterStageClass
|
|
{
|
|
/*< private >*/
|
|
ClutterActorClass parent_class;
|
|
|
|
/*< public >*/
|
|
/* signals */
|
|
void (* activate) (ClutterStage *stage);
|
|
void (* deactivate) (ClutterStage *stage);
|
|
|
|
void (* before_paint) (ClutterStage *stage,
|
|
ClutterStageView *view);
|
|
|
|
void (* paint_view) (ClutterStage *stage,
|
|
ClutterStageView *view,
|
|
const cairo_region_t *redraw_clip);
|
|
|
|
/*< private >*/
|
|
/* padding for future expansion */
|
|
gpointer _padding_dummy[31];
|
|
};
|
|
|
|
/**
|
|
* ClutterPerspective:
|
|
* @fovy: the field of view angle, in degrees, in the y direction
|
|
* @aspect: the aspect ratio that determines the field of view in the x
|
|
* direction. The aspect ratio is the ratio of x (width) to y (height)
|
|
* @z_near: the distance from the viewer to the near clipping
|
|
* plane (always positive)
|
|
* @z_far: the distance from the viewer to the far clipping
|
|
* plane (always positive)
|
|
*
|
|
* Stage perspective definition.
|
|
*
|
|
* Since: 0.4
|
|
*/
|
|
struct _ClutterPerspective
|
|
{
|
|
gfloat fovy;
|
|
gfloat aspect;
|
|
gfloat z_near;
|
|
gfloat z_far;
|
|
};
|
|
|
|
/**
|
|
* ClutterFrameInfo: (skip)
|
|
*/
|
|
struct _ClutterFrameInfo
|
|
{
|
|
int64_t frame_counter;
|
|
int64_t presentation_time;
|
|
float refresh_rate;
|
|
};
|
|
|
|
typedef struct _ClutterCapture
|
|
{
|
|
cairo_surface_t *image;
|
|
cairo_rectangle_int_t rect;
|
|
} ClutterCapture;
|
|
|
|
CLUTTER_EXPORT
|
|
GType clutter_perspective_get_type (void) G_GNUC_CONST;
|
|
CLUTTER_EXPORT
|
|
GType clutter_stage_get_type (void) G_GNUC_CONST;
|
|
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_get_perspective (ClutterStage *stage,
|
|
ClutterPerspective *perspective);
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_set_title (ClutterStage *stage,
|
|
const gchar *title);
|
|
CLUTTER_EXPORT
|
|
const gchar * clutter_stage_get_title (ClutterStage *stage);
|
|
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_set_minimum_size (ClutterStage *stage,
|
|
guint width,
|
|
guint height);
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_get_minimum_size (ClutterStage *stage,
|
|
guint *width,
|
|
guint *height);
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_set_use_alpha (ClutterStage *stage,
|
|
gboolean use_alpha);
|
|
CLUTTER_EXPORT
|
|
gboolean clutter_stage_get_use_alpha (ClutterStage *stage);
|
|
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_set_key_focus (ClutterStage *stage,
|
|
ClutterActor *actor);
|
|
CLUTTER_EXPORT
|
|
ClutterActor * clutter_stage_get_key_focus (ClutterStage *stage);
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_set_throttle_motion_events (ClutterStage *stage,
|
|
gboolean throttle);
|
|
CLUTTER_EXPORT
|
|
gboolean clutter_stage_get_throttle_motion_events (ClutterStage *stage);
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_set_motion_events_enabled (ClutterStage *stage,
|
|
gboolean enabled);
|
|
CLUTTER_EXPORT
|
|
gboolean clutter_stage_get_motion_events_enabled (ClutterStage *stage);
|
|
CLUTTER_EXPORT
|
|
gboolean clutter_stage_event (ClutterStage *stage,
|
|
ClutterEvent *event);
|
|
|
|
CLUTTER_EXPORT
|
|
ClutterActor * clutter_stage_get_actor_at_pos (ClutterStage *stage,
|
|
ClutterPickMode pick_mode,
|
|
float x,
|
|
float y);
|
|
CLUTTER_EXPORT
|
|
guchar * clutter_stage_read_pixels (ClutterStage *stage,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height);
|
|
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_ensure_viewport (ClutterStage *stage);
|
|
|
|
CLUTTER_EXPORT
|
|
gboolean clutter_stage_is_redraw_queued_on_view (ClutterStage *stage,
|
|
ClutterStageView *view);
|
|
|
|
#ifdef CLUTTER_ENABLE_EXPERIMENTAL_API
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_set_sync_delay (ClutterStage *stage,
|
|
gint sync_delay);
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_skip_sync_delay (ClutterStage *stage);
|
|
#endif
|
|
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_schedule_update (ClutterStage *stage);
|
|
|
|
CLUTTER_EXPORT
|
|
gboolean clutter_stage_get_capture_final_size (ClutterStage *stage,
|
|
cairo_rectangle_int_t *rect,
|
|
int *width,
|
|
int *height,
|
|
float *scale);
|
|
|
|
CLUTTER_EXPORT
|
|
void clutter_stage_paint_to_framebuffer (ClutterStage *stage,
|
|
CoglFramebuffer *framebuffer,
|
|
const cairo_rectangle_int_t *rect,
|
|
float scale,
|
|
ClutterPaintFlag paint_flags);
|
|
|
|
CLUTTER_EXPORT
|
|
gboolean clutter_stage_paint_to_buffer (ClutterStage *stage,
|
|
const cairo_rectangle_int_t *rect,
|
|
float scale,
|
|
uint8_t *data,
|
|
int stride,
|
|
CoglPixelFormat format,
|
|
ClutterPaintFlag paint_flags,
|
|
GError **error);
|
|
|
|
CLUTTER_EXPORT
|
|
ClutterStageView * clutter_stage_get_view_at (ClutterStage *stage,
|
|
float x,
|
|
float y);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __CLUTTER_STAGE_H__ */
|