Web   ·   Wiki   ·   Activities   ·   Blog   ·   Lists   ·   Chat   ·   Meeting   ·   Bugs   ·   Git   ·   Translate   ·   Archive   ·   People   ·   Donate
summaryrefslogtreecommitdiffstats
path: root/libdocument/ev-transition-effect.c
blob: 96b6c1cb0e5c85136c5ee71f061af7b8984b289f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
/* 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"

#define EV_TRANSITION_EFFECT_GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EV_TYPE_TRANSITION_EFFECT, EvTransitionEffectPrivate))

typedef struct EvTransitionEffectPrivate EvTransitionEffectPrivate;

struct EvTransitionEffectPrivate {
	EvTransitionEffectType type;
	EvTransitionEffectAlignment alignment;
	EvTransitionEffectDirection direction;

	gint duration;
	gint angle;
	gdouble scale;

	guint rectangular : 1;
};

enum {
	PROP_0,
	PROP_TYPE,
	PROP_ALIGNMENT,
	PROP_DIRECTION,
	PROP_DURATION,
	PROP_ANGLE,
	PROP_SCALE,
	PROP_RECTANGULAR
};

G_DEFINE_TYPE (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_PRIV (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_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_PRIV (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_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_PRIV (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_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_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_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_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_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_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_type_class_add_private (klass, sizeof (EvTransitionEffectPrivate));
}

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);
}