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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2010. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GDK_FRAME_CLOCK_H__
#define __GDK_FRAME_CLOCK_H__
#if !defined (__GDK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#include <gdk/gdkframetimings.h>
G_BEGIN_DECLS
#define GDK_TYPE_FRAME_CLOCK (gdk_frame_clock_get_type ())
#define GDK_FRAME_CLOCK(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_FRAME_CLOCK, GdkFrameClock))
#define GDK_FRAME_CLOCK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_FRAME_CLOCK, GdkFrameClockClass))
#define GDK_IS_FRAME_CLOCK(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_FRAME_CLOCK))
#define GDK_IS_FRAME_CLOCK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_FRAME_CLOCK))
#define GDK_FRAME_CLOCK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_FRAME_CLOCK, GdkFrameClockClass))
typedef struct _GdkFrameClock GdkFrameClock;
typedef struct _GdkFrameClockPrivate GdkFrameClockPrivate;
typedef struct _GdkFrameClockClass GdkFrameClockClass;
/**
* GdkFrameClockPhase:
* @GDK_FRAME_CLOCK_PHASE_NONE: no phase
* @GDK_FRAME_CLOCK_PHASE_FLUSH_EVENTS: corresponds to GdkFrameClock::flush-events. Should not be handled by applications.
* @GDK_FRAME_CLOCK_PHASE_BEFORE_PAINT: corresponds to GdkFrameClock::before-paint. Should not be handled by applications.
* @GDK_FRAME_CLOCK_PHASE_UPDATE: corresponds to GdkFrameClock::update.
* @GDK_FRAME_CLOCK_PHASE_LAYOUT: corresponds to GdkFrameClock::layout.
* @GDK_FRAME_CLOCK_PHASE_PAINT: corresponds to GdkFrameClock::paint.
* @GDK_FRAME_CLOCK_PHASE_RESUME_EVENTS: corresponds to GdkFrameClock::resume-events. Should not be handled by applications.
* @GDK_FRAME_CLOCK_PHASE_AFTER_PAINT: corresponds to GdkFrameClock::after-paint. Should not be handled by applications.
*
* #GdkFrameClockPhase is used to represent the different paint clock
* phases that can be requested. The elements of the enumeration
* correspond to the signals of #GdkFrameClock.
**/
typedef enum {
GDK_FRAME_CLOCK_PHASE_NONE = 0,
GDK_FRAME_CLOCK_PHASE_FLUSH_EVENTS = 1 << 0,
GDK_FRAME_CLOCK_PHASE_BEFORE_PAINT = 1 << 1,
GDK_FRAME_CLOCK_PHASE_UPDATE = 1 << 2,
GDK_FRAME_CLOCK_PHASE_LAYOUT = 1 << 3,
GDK_FRAME_CLOCK_PHASE_PAINT = 1 << 4,
GDK_FRAME_CLOCK_PHASE_RESUME_EVENTS = 1 << 5,
GDK_FRAME_CLOCK_PHASE_AFTER_PAINT = 1 << 6
} GdkFrameClockPhase;
GDK_AVAILABLE_IN_ALL
GType gdk_frame_clock_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
gint64 gdk_frame_clock_get_frame_time (GdkFrameClock *frame_clock);
GDK_AVAILABLE_IN_ALL
void gdk_frame_clock_request_phase (GdkFrameClock *frame_clock,
GdkFrameClockPhase phase);
GDK_AVAILABLE_IN_ALL
void gdk_frame_clock_begin_updating (GdkFrameClock *frame_clock);
GDK_AVAILABLE_IN_ALL
void gdk_frame_clock_end_updating (GdkFrameClock *frame_clock);
/* Frame history */
GDK_AVAILABLE_IN_ALL
gint64 gdk_frame_clock_get_frame_counter (GdkFrameClock *frame_clock);
GDK_AVAILABLE_IN_ALL
gint64 gdk_frame_clock_get_history_start (GdkFrameClock *frame_clock);
GDK_AVAILABLE_IN_ALL
GdkFrameTimings *gdk_frame_clock_get_timings (GdkFrameClock *frame_clock,
gint64 frame_counter);
GDK_AVAILABLE_IN_ALL
GdkFrameTimings *gdk_frame_clock_get_current_timings (GdkFrameClock *frame_clock);
GDK_AVAILABLE_IN_ALL
void gdk_frame_clock_get_refresh_info (GdkFrameClock *frame_clock,
gint64 base_time,
gint64 *refresh_interval_return,
gint64 *presentation_time_return);
GDK_AVAILABLE_IN_ALL
double gdk_frame_clock_get_fps (GdkFrameClock *frame_clock);
G_END_DECLS
#endif /* __GDK_FRAME_CLOCK_H__ */
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