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d4ab3574d1
Property 'duration' of EvTransitionEffect was of int type, so when passing a 0.5 value it would cast to zero. So let's add a new 'duration_real' property to hold the duration in decimal format, and use it for the effect's duration. Fixes #637
245 lines
7.1 KiB
C
245 lines
7.1 KiB
C
/* ev-transition-effect.c
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* this file is part of evince, a gnome document viewer
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*
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* Copyright (C) 2007 Carlos Garnacho <carlos@imendio.com>
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*
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* Evince is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Evince is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include "ev-transition-effect.h"
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#include "ev-document-type-builtins.h"
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typedef struct EvTransitionEffectPrivate EvTransitionEffectPrivate;
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struct EvTransitionEffectPrivate {
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EvTransitionEffectType type;
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EvTransitionEffectAlignment alignment;
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EvTransitionEffectDirection direction;
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gint duration;
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gint angle;
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gdouble scale;
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gdouble duration_real;
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guint rectangular : 1;
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};
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enum {
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PROP_0,
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PROP_TYPE,
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PROP_ALIGNMENT,
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PROP_DIRECTION,
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PROP_DURATION,
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PROP_DURATION_REAL,
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PROP_ANGLE,
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PROP_SCALE,
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PROP_RECTANGULAR
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};
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G_DEFINE_TYPE_WITH_PRIVATE (EvTransitionEffect, ev_transition_effect, G_TYPE_OBJECT)
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static void
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ev_transition_effect_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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EvTransitionEffectPrivate *priv;
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priv = ev_transition_effect_get_instance_private (EV_TRANSITION_EFFECT (object));
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switch (prop_id) {
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case PROP_TYPE:
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priv->type = g_value_get_enum (value);
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break;
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case PROP_ALIGNMENT:
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priv->alignment = g_value_get_enum (value);
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break;
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case PROP_DIRECTION:
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priv->direction = g_value_get_enum (value);
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break;
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case PROP_DURATION:
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priv->duration = g_value_get_int (value);
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break;
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case PROP_DURATION_REAL:
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priv->duration_real = g_value_get_double (value);
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break;
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case PROP_ANGLE:
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priv->angle = g_value_get_int (value);
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break;
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case PROP_SCALE:
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priv->scale = g_value_get_double (value);
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break;
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case PROP_RECTANGULAR:
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priv->rectangular = g_value_get_boolean (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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ev_transition_effect_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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EvTransitionEffectPrivate *priv;
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priv = ev_transition_effect_get_instance_private (EV_TRANSITION_EFFECT (object));
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switch (prop_id) {
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case PROP_TYPE:
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g_value_set_enum (value, priv->type);
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break;
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case PROP_ALIGNMENT:
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g_value_set_enum (value, priv->alignment);
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break;
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case PROP_DIRECTION:
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g_value_set_enum (value, priv->direction);
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break;
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case PROP_DURATION:
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g_value_set_int (value, priv->duration);
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break;
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case PROP_DURATION_REAL:
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g_value_set_double (value, priv->duration_real);
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break;
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case PROP_ANGLE:
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g_value_set_int (value, priv->angle);
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break;
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case PROP_SCALE:
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g_value_set_double (value, priv->scale);
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break;
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case PROP_RECTANGULAR:
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g_value_set_enum (value, priv->rectangular);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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ev_transition_effect_init (EvTransitionEffect *effect)
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{
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EvTransitionEffectPrivate *priv;
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priv = ev_transition_effect_get_instance_private (effect);
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priv->scale = 1.;
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}
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static void
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ev_transition_effect_class_init (EvTransitionEffectClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->set_property = ev_transition_effect_set_property;
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object_class->get_property = ev_transition_effect_get_property;
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g_object_class_install_property (object_class,
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PROP_TYPE,
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g_param_spec_enum ("type",
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"Effect type",
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"Page transition effect type",
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EV_TYPE_TRANSITION_EFFECT_TYPE,
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EV_TRANSITION_EFFECT_REPLACE,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_ALIGNMENT,
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g_param_spec_enum ("alignment",
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"Effect alignment",
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"Alignment for the effect",
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EV_TYPE_TRANSITION_EFFECT_ALIGNMENT,
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EV_TRANSITION_ALIGNMENT_HORIZONTAL,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_DIRECTION,
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g_param_spec_enum ("direction",
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"Effect direction",
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"Direction for the effect",
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EV_TYPE_TRANSITION_EFFECT_DIRECTION,
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EV_TRANSITION_DIRECTION_INWARD,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_DURATION,
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g_param_spec_int ("duration",
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"Effect duration",
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"Effect duration in seconds",
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0, G_MAXINT, 0,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS |
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G_PARAM_DEPRECATED));
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g_object_class_install_property (object_class,
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PROP_DURATION_REAL,
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g_param_spec_double ("duration-real",
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"Effect duration in seconds (expressed as decimal number)",
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"Effect duration in seconds (expressed as decimal number)",
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0., 86400., 0., /* Arbitrary 1 day max value */
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_ANGLE,
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g_param_spec_int ("angle",
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"Effect angle",
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"Effect angle in degrees, counted "
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"counterclockwise from left to right",
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0, 360, 0,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_SCALE,
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g_param_spec_double ("scale",
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"Effect scale",
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"Scale at which the effect is applied",
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0., 1., 1.,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_RECTANGULAR,
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g_param_spec_boolean ("rectangular",
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"Rectangular area",
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"Whether the covered area is rectangular",
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FALSE,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_STRINGS));
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}
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EvTransitionEffect *
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ev_transition_effect_new (EvTransitionEffectType type,
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const gchar *first_property_name,
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...)
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{
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GObject *object;
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va_list args;
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object = g_object_new (EV_TYPE_TRANSITION_EFFECT,
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"type", type,
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NULL);
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va_start (args, first_property_name);
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g_object_set_valist (object, first_property_name, args);
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va_end (args);
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return EV_TRANSITION_EFFECT (object);
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}
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