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/* ev-transition-effect.c
* this file is part of evince, a gnome document viewer
*
* Copyright (C) 2007 Carlos Garnacho <carlos@imendio.com>
*
* Evince is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Evince 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include "ev-transition-effect.h"
#include "ev-document-type-builtins.h"
typedef struct EvTransitionEffectPrivate EvTransitionEffectPrivate;
struct EvTransitionEffectPrivate {
EvTransitionEffectType type;
EvTransitionEffectAlignment alignment;
EvTransitionEffectDirection direction;
gint duration;
gint angle;
gdouble scale;
gdouble duration_real;
guint rectangular : 1;
};
enum {
PROP_0,
PROP_TYPE,
PROP_ALIGNMENT,
PROP_DIRECTION,
PROP_DURATION,
PROP_DURATION_REAL,
PROP_ANGLE,
PROP_SCALE,
PROP_RECTANGULAR
};
G_DEFINE_TYPE_WITH_PRIVATE (EvTransitionEffect, ev_transition_effect, G_TYPE_OBJECT)
static void
ev_transition_effect_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EvTransitionEffectPrivate *priv;
priv = ev_transition_effect_get_instance_private (EV_TRANSITION_EFFECT (object));
switch (prop_id) {
case PROP_TYPE:
priv->type = g_value_get_enum (value);
break;
case PROP_ALIGNMENT:
priv->alignment = g_value_get_enum (value);
break;
case PROP_DIRECTION:
priv->direction = g_value_get_enum (value);
break;
case PROP_DURATION:
priv->duration = g_value_get_int (value);
break;
case PROP_DURATION_REAL:
priv->duration_real = g_value_get_double (value);
break;
case PROP_ANGLE:
priv->angle = g_value_get_int (value);
break;
case PROP_SCALE:
priv->scale = g_value_get_double (value);
break;
case PROP_RECTANGULAR:
priv->rectangular = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
ev_transition_effect_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
EvTransitionEffectPrivate *priv;
priv = ev_transition_effect_get_instance_private (EV_TRANSITION_EFFECT (object));
switch (prop_id) {
case PROP_TYPE:
g_value_set_enum (value, priv->type);
break;
case PROP_ALIGNMENT:
g_value_set_enum (value, priv->alignment);
break;
case PROP_DIRECTION:
g_value_set_enum (value, priv->direction);
break;
case PROP_DURATION:
g_value_set_int (value, priv->duration);
break;
case PROP_DURATION_REAL:
g_value_set_double (value, priv->duration_real);
break;
case PROP_ANGLE:
g_value_set_int (value, priv->angle);
break;
case PROP_SCALE:
g_value_set_double (value, priv->scale);
break;
case PROP_RECTANGULAR:
g_value_set_enum (value, priv->rectangular);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
ev_transition_effect_init (EvTransitionEffect *effect)
{
EvTransitionEffectPrivate *priv;
priv = ev_transition_effect_get_instance_private (effect);
priv->scale = 1.;
}
static void
ev_transition_effect_class_init (EvTransitionEffectClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = ev_transition_effect_set_property;
object_class->get_property = ev_transition_effect_get_property;
g_object_class_install_property (object_class,
PROP_TYPE,
g_param_spec_enum ("type",
"Effect type",
"Page transition effect type",
EV_TYPE_TRANSITION_EFFECT_TYPE,
EV_TRANSITION_EFFECT_REPLACE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_ALIGNMENT,
g_param_spec_enum ("alignment",
"Effect alignment",
"Alignment for the effect",
EV_TYPE_TRANSITION_EFFECT_ALIGNMENT,
EV_TRANSITION_ALIGNMENT_HORIZONTAL,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_DIRECTION,
g_param_spec_enum ("direction",
"Effect direction",
"Direction for the effect",
EV_TYPE_TRANSITION_EFFECT_DIRECTION,
EV_TRANSITION_DIRECTION_INWARD,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_DURATION,
g_param_spec_int ("duration",
"Effect duration",
"Effect duration in seconds",
0, G_MAXINT, 0,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS |
G_PARAM_DEPRECATED));
g_object_class_install_property (object_class,
PROP_DURATION_REAL,
g_param_spec_double ("duration-real",
"Effect duration in seconds (expressed as decimal number)",
"Effect duration in seconds (expressed as decimal number)",
0., 86400., 0., /* Arbitrary 1 day max value */
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_ANGLE,
g_param_spec_int ("angle",
"Effect angle",
"Effect angle in degrees, counted "
"counterclockwise from left to right",
0, 360, 0,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_SCALE,
g_param_spec_double ("scale",
"Effect scale",
"Scale at which the effect is applied",
0., 1., 1.,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_RECTANGULAR,
g_param_spec_boolean ("rectangular",
"Rectangular area",
"Whether the covered area is rectangular",
FALSE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
}
EvTransitionEffect *
ev_transition_effect_new (EvTransitionEffectType type,
const gchar *first_property_name,
...)
{
GObject *object;
va_list args;
object = g_object_new (EV_TYPE_TRANSITION_EFFECT,
"type", type,
NULL);
va_start (args, first_property_name);
g_object_set_valist (object, first_property_name, args);
va_end (args);
return EV_TRANSITION_EFFECT (object);
}
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