ev-timeline.h File Reference

#include <glib-object.h>

Include dependency graph for ev-timeline.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	_EvTimeline
struct	_EvTimelineClass

Macros
#define	EV_TYPE_TIMELINE   (ev_timeline_get_type ())
#define	EV_TIMELINE(obj)   (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_TIMELINE, EvTimeline))
#define	EV_TIMELINE_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_TIMELINE, EvTimelineClass))
#define	EV_IS_TIMELINE(obj)   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_TIMELINE))
#define	EV_IS_TIMELINE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_TIMELINE))
#define	EV_TIMELINE_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_TIMELINE, EvTimelineClass))

Typedefs
typedef struct _EvTimeline	EvTimeline
typedef struct _EvTimelineClass	EvTimelineClass

Functions
GType	ev_timeline_get_type (void) G_GNUC_CONST
EvTimeline *	ev_timeline_new (guint duration)
void	ev_timeline_start (EvTimeline *timeline)
void	ev_timeline_pause (EvTimeline *timeline)
void	ev_timeline_rewind (EvTimeline *timeline)
gboolean	ev_timeline_is_running (EvTimeline *timeline)
guint	ev_timeline_get_fps (EvTimeline *timeline)
void	ev_timeline_set_fps (EvTimeline *timeline, guint fps)
gboolean	ev_timeline_get_loop (EvTimeline *timeline)
void	ev_timeline_set_loop (EvTimeline *timeline, gboolean loop)
guint	ev_timeline_get_duration (EvTimeline *timeline)
void	ev_timeline_set_duration (EvTimeline *timeline, guint duration)
gdouble	ev_timeline_get_progress (EvTimeline *timeline)

Macro Definition Documentation

#define EV_IS_TIMELINE

(

obj)

(G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_TIMELINE))

Definition at line 36 of file ev-timeline.h.

#define EV_IS_TIMELINE_CLASS

(

klass)

(G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_TIMELINE))

Definition at line 37 of file ev-timeline.h.

#define EV_TIMELINE

(

obj)

(G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_TIMELINE, EvTimeline))

Definition at line 34 of file ev-timeline.h.

#define EV_TIMELINE_CLASS

(

klass)

(G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_TIMELINE, EvTimelineClass))

Definition at line 35 of file ev-timeline.h.

#define EV_TIMELINE_GET_CLASS

(

obj)

(G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_TIMELINE, EvTimelineClass))

Definition at line 38 of file ev-timeline.h.

#define EV_TYPE_TIMELINE   (ev_timeline_get_type ())

Definition at line 33 of file ev-timeline.h.

Typedef Documentation

typedef struct _EvTimeline EvTimeline

Definition at line 40 of file ev-timeline.h.

typedef struct _EvTimelineClass EvTimelineClass

Definition at line 41 of file ev-timeline.h.

Function Documentation

guint ev_timeline_get_duration

(

EvTimeline *

timeline)

Definition at line 424 of file ev-timeline.c.

{
    EvTimelinePriv *priv;

    g_return_val_if_fail (EV_IS_TIMELINE (timeline), 0);

    priv = EV_TIMELINE_GET_PRIV (timeline);

    return priv->duration;
}

guint ev_timeline_get_fps

(

EvTimeline *

timeline)

Definition at line 351 of file ev-timeline.c.

{
    EvTimelinePriv *priv;

    g_return_val_if_fail (EV_IS_TIMELINE (timeline), 1);

    priv = EV_TIMELINE_GET_PRIV (timeline);
    return priv->fps;
}

gboolean ev_timeline_get_loop

(

EvTimeline *

timeline)

Definition at line 384 of file ev-timeline.c.

{
    EvTimelinePriv *priv;

    g_return_val_if_fail (EV_IS_TIMELINE (timeline), FALSE);

    priv = EV_TIMELINE_GET_PRIV (timeline);
    return priv->loop;
}

gdouble ev_timeline_get_progress

(

EvTimeline *

timeline)

Definition at line 436 of file ev-timeline.c.

{
    EvTimelinePriv *priv;
    gdouble         progress;
    guint           elapsed_time;

    g_return_val_if_fail (EV_IS_TIMELINE (timeline), 0.0);

    priv = EV_TIMELINE_GET_PRIV (timeline);

    if (!priv->timer)
        return 0.;

    elapsed_time = (guint) (g_timer_elapsed (priv->timer, NULL) * 1000);
    progress = (gdouble) elapsed_time / priv->duration;

    return CLAMP (progress, 0., 1.);
}

Here is the caller graph for this function:

GType ev_timeline_get_type

(

void

)

gboolean ev_timeline_is_running

(

EvTimeline *

timeline)

Definition at line 339 of file ev-timeline.c.

{
    EvTimelinePriv *priv;

    g_return_val_if_fail (EV_IS_TIMELINE (timeline), FALSE);

    priv = EV_TIMELINE_GET_PRIV (timeline);

    return (priv->source_id != 0);
}

Here is the caller graph for this function:

EvTimeline* ev_timeline_new

(

guint

duration)

Definition at line 286 of file ev-timeline.c.

{
    return g_object_new (EV_TYPE_TIMELINE,
                 "duration", duration,
                 NULL);
}

void ev_timeline_pause

(

EvTimeline *

timeline)

Definition at line 302 of file ev-timeline.c.

{
    EvTimelinePriv *priv;

    g_return_if_fail (EV_IS_TIMELINE (timeline));

    priv = EV_TIMELINE_GET_PRIV (timeline);

    if (priv->source_id) {
        g_source_remove (priv->source_id);
        priv->source_id = 0;
        g_timer_stop (priv->timer);
        g_signal_emit (timeline, signals [PAUSED], 0);
    }
}

void ev_timeline_rewind

(

EvTimeline *

timeline)

Definition at line 319 of file ev-timeline.c.

{
    EvTimelinePriv *priv;

    g_return_if_fail (EV_IS_TIMELINE (timeline));

    priv = EV_TIMELINE_GET_PRIV (timeline);

    /* destroy and re-create timer if neccesary  */
    if (priv->timer) {
        g_timer_destroy (priv->timer);

        if (ev_timeline_is_running (timeline))
            priv->timer = g_timer_new ();
        else
            priv->timer = NULL;
    }
}

Here is the caller graph for this function:

void ev_timeline_set_duration	(	EvTimeline *	timeline,
		guint	duration
	)

Definition at line 409 of file ev-timeline.c.

{
    EvTimelinePriv *priv;

    g_return_if_fail (EV_IS_TIMELINE (timeline));

    priv = EV_TIMELINE_GET_PRIV (timeline);

    priv->duration = duration;

    g_object_notify (G_OBJECT (timeline), "duration");
}

Here is the caller graph for this function:

void ev_timeline_set_fps	(	EvTimeline *	timeline,
		guint	fps
	)

Definition at line 362 of file ev-timeline.c.

{
    EvTimelinePriv *priv;

    g_return_if_fail (EV_IS_TIMELINE (timeline));

    priv = EV_TIMELINE_GET_PRIV (timeline);

    priv->fps = fps;

    if (ev_timeline_is_running (timeline)) {
        g_source_remove (priv->source_id);
        priv->source_id = g_timeout_add (FRAME_INTERVAL (priv->fps),
                         (GSourceFunc) ev_timeline_run_frame,
                         timeline);
    }

    g_object_notify (G_OBJECT (timeline), "fps");
}

Here is the caller graph for this function:

void ev_timeline_set_loop	(	EvTimeline *	timeline,
		gboolean	loop
	)

Definition at line 395 of file ev-timeline.c.

{
    EvTimelinePriv *priv;

    g_return_if_fail (EV_IS_TIMELINE (timeline));

    priv = EV_TIMELINE_GET_PRIV (timeline);
    priv->loop = loop;

    g_object_notify (G_OBJECT (timeline), "loop");
}

Here is the caller graph for this function:

void ev_timeline_start

(

EvTimeline *

timeline)

Definition at line 294 of file ev-timeline.c.

{
    g_return_if_fail (EV_IS_TIMELINE (timeline));

    EV_TIMELINE_GET_CLASS (timeline)->start (timeline);
}

Here is the caller graph for this function: