ev-transition-animation.h File Reference

#include <evince-document.h>
#include "ev-timeline.h"
#include "ev-transition-effect.h"

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Data Structures
struct	_EvTransitionAnimation
struct	_EvTransitionAnimationClass

Macros
#define	EV_TYPE_TRANSITION_ANIMATION   (ev_transition_animation_get_type ())
#define	EV_TRANSITION_ANIMATION(obj)   (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimation))
#define	EV_TRANSITION_ANIMATION_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationClass))
#define	EV_IS_TRANSITION_ANIMATION(obj)   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_TRANSITION_ANIMATION))
#define	EV_IS_TRANSITION_ANIMATION_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_TRANSITION_ANIMATION))
#define	EV_TRANSITION_ANIMATION_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationClass))

Typedefs
typedef struct _EvTransitionAnimation	EvTransitionAnimation
typedef struct _EvTransitionAnimationClass	EvTransitionAnimationClass

Functions
GType	ev_transition_animation_get_type (void) G_GNUC_CONST
EvTransitionAnimation *	ev_transition_animation_new (EvTransitionEffect *effect)
void	ev_transition_animation_set_origin_surface (EvTransitionAnimation *animation, cairo_surface_t *origin_surface)
void	ev_transition_animation_set_dest_surface (EvTransitionAnimation *animation, cairo_surface_t *origin_surface)
gint	ev_transition_animation_get_page_from (EvTransitionAnimation *animation)
gint	ev_transition_animation_get_page_to (EvTransitionAnimation *animation)
void	ev_transition_animation_paint (EvTransitionAnimation *animation, cairo_t *cr, GdkRectangle page_area)
gboolean	ev_transition_animation_ready (EvTransitionAnimation *animation)

Macro Definition Documentation

#define EV_IS_TRANSITION_ANIMATION

(

obj)

(G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_TRANSITION_ANIMATION))

Definition at line 38 of file ev-transition-animation.h.

#define EV_IS_TRANSITION_ANIMATION_CLASS

(

klass)

(G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_TRANSITION_ANIMATION))

Definition at line 39 of file ev-transition-animation.h.

#define EV_TRANSITION_ANIMATION

(

obj)

(G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimation))

Definition at line 36 of file ev-transition-animation.h.

#define EV_TRANSITION_ANIMATION_CLASS

(

klass)

(G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationClass))

Definition at line 37 of file ev-transition-animation.h.

#define EV_TRANSITION_ANIMATION_GET_CLASS

(

obj)

(G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationClass))

Definition at line 40 of file ev-transition-animation.h.

#define EV_TYPE_TRANSITION_ANIMATION   (ev_transition_animation_get_type ())

Definition at line 35 of file ev-transition-animation.h.

Typedef Documentation

typedef struct _EvTransitionAnimation EvTransitionAnimation

Definition at line 42 of file ev-transition-animation.h.

typedef struct _EvTransitionAnimationClass EvTransitionAnimationClass

Definition at line 43 of file ev-transition-animation.h.

Function Documentation

gint ev_transition_animation_get_page_from

(

EvTransitionAnimation *

animation)

gint ev_transition_animation_get_page_to

(

EvTransitionAnimation *

animation)

GType ev_transition_animation_get_type

(

void

)

EvTransitionAnimation* ev_transition_animation_new

(

EvTransitionEffect *

effect)

Definition at line 608 of file ev-transition-animation.c.

{
    g_return_val_if_fail (EV_IS_TRANSITION_EFFECT (effect), NULL);

    return g_object_new (EV_TYPE_TRANSITION_ANIMATION,
                 "effect", effect,
                 NULL);
}

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void ev_transition_animation_paint	(	EvTransitionAnimation *	animation,
		cairo_t *	cr,
		GdkRectangle	page_area
	)

Definition at line 538 of file ev-transition-animation.c.

{
    EvTransitionAnimationPriv *priv;
    EvTransitionEffectType type;
    gdouble progress;

    g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation));

    priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);

    if (!priv->dest_surface) {
        /* animation is still not ready, paint the origin surface */
        paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
        return;
    }

    g_object_get (priv->effect, "type", &type, NULL);
    progress = ev_timeline_get_progress (EV_TIMELINE (animation));

    switch (type) {
    case EV_TRANSITION_EFFECT_REPLACE:
        /* just paint the destination slide */
        paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
        break;
    case EV_TRANSITION_EFFECT_SPLIT:
        ev_transition_animation_split (cr, animation, priv->effect, progress, page_area);
        break;
    case EV_TRANSITION_EFFECT_BLINDS:
        ev_transition_animation_blinds (cr, animation, priv->effect, progress, page_area);
        break;
    case EV_TRANSITION_EFFECT_BOX:
        ev_transition_animation_box (cr, animation, priv->effect, progress, page_area);
        break;
    case EV_TRANSITION_EFFECT_WIPE:
        ev_transition_animation_wipe (cr, animation, priv->effect, progress, page_area);
        break;
    case EV_TRANSITION_EFFECT_DISSOLVE:
        ev_transition_animation_dissolve (cr, animation, priv->effect, progress, page_area);
        break;
    case EV_TRANSITION_EFFECT_PUSH:
        ev_transition_animation_push (cr, animation, priv->effect, progress, page_area);
        break;
    case EV_TRANSITION_EFFECT_COVER:
        ev_transition_animation_cover (cr, animation, priv->effect, progress, page_area);
        break;
    case EV_TRANSITION_EFFECT_UNCOVER:
        ev_transition_animation_uncover (cr, animation, priv->effect, progress, page_area);
        break;
    case EV_TRANSITION_EFFECT_FADE:
        ev_transition_animation_fade (cr, animation, priv->effect, progress, page_area);
        break;
    default: {
        GEnumValue *enum_value;

        enum_value = g_enum_get_value (g_type_class_peek (EV_TYPE_TRANSITION_EFFECT_TYPE), type);

        g_warning ("Unimplemented transition animation: '%s', "
               "please post a bug report in Evince bugzilla "
               "(http://bugzilla.gnome.org) with a testcase.",
               enum_value->value_nick);

        /* just paint the destination slide */
        paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
        }
    }
}

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gboolean ev_transition_animation_ready

(

EvTransitionAnimation *

animation)

Definition at line 670 of file ev-transition-animation.c.

{
    EvTransitionAnimationPriv *priv;

    g_return_val_if_fail (EV_IS_TRANSITION_ANIMATION (animation), FALSE);

    priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);

    return (priv->origin_surface != NULL);
}

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void ev_transition_animation_set_dest_surface	(	EvTransitionAnimation *	animation,
		cairo_surface_t *	origin_surface
	)

Definition at line 644 of file ev-transition-animation.c.

{
    EvTransitionAnimationPriv *priv;
    cairo_surface_t *surface;

    g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation));

    priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);

    if (priv->dest_surface == dest_surface)
        return;

    surface = cairo_surface_reference (dest_surface);

    if (priv->dest_surface)
        cairo_surface_destroy (priv->dest_surface);

    priv->dest_surface = surface;
    g_object_notify (G_OBJECT (animation), "dest-surface");

    if (priv->origin_surface && priv->dest_surface)
        ev_timeline_start (EV_TIMELINE (animation));
}

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void ev_transition_animation_set_origin_surface	(	EvTransitionAnimation *	animation,
		cairo_surface_t *	origin_surface
	)

Definition at line 618 of file ev-transition-animation.c.

{
    EvTransitionAnimationPriv *priv;
    cairo_surface_t *surface;

    g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation));

    priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);

    if (priv->origin_surface == origin_surface)
        return;

    surface = cairo_surface_reference (origin_surface);

    if (priv->origin_surface)
        cairo_surface_destroy (priv->origin_surface);

    priv->origin_surface = surface;
    g_object_notify (G_OBJECT (animation), "origin-surface");

    if (priv->origin_surface && priv->dest_surface)
        ev_timeline_start (EV_TIMELINE (animation));
}

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