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1 /*
2  * empathy-rounded-actor.c - Source for EmpathyRoundedActor
3  * Copyright (C) 2011 Collabora Ltd.
4  * @author Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
19  */
20
21 #include "config.h"
22
23 #include "empathy-rounded-actor.h"
24
25 G_DEFINE_TYPE(EmpathyRoundedActor, empathy_rounded_actor, GTK_CLUTTER_TYPE_ACTOR)
26
27 struct _EmpathyRoundedActorPriv
28 {
29   guint round_factor;
30 };
31
32 static void
33 empathy_rounded_actor_paint (ClutterActor *actor)
34 {
35   EmpathyRoundedActor *self = EMPATHY_ROUNDED_ACTOR (actor);
36   ClutterActorBox allocation = { 0, };
37   gfloat width, height;
38
39   clutter_actor_get_allocation_box (actor, &allocation);
40   clutter_actor_box_get_size (&allocation, &width, &height);
41
42   cogl_path_new ();
43
44   /* create and store a path describing a rounded rectangle */
45   cogl_path_round_rectangle (0, 0, width, height,
46       height / self->priv->round_factor, 0.1);
47
48   cogl_clip_push_from_path ();
49
50   CLUTTER_ACTOR_CLASS (empathy_rounded_actor_parent_class)->paint (actor);
51
52   cogl_clip_pop ();
53 }
54
55 static void
56 empathy_rounded_actor_init (EmpathyRoundedActor *self)
57 {
58   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
59       EMPATHY_TYPE_ROUNDED_ACTOR, EmpathyRoundedActorPriv);
60
61   self->priv->round_factor = 2;
62 }
63
64 static void
65 empathy_rounded_actor_class_init (EmpathyRoundedActorClass *klass)
66 {
67   ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
68
69   actor_class->paint = empathy_rounded_actor_paint;
70
71   g_type_class_add_private (klass, sizeof (EmpathyRoundedActorPriv));
72 }
73
74 ClutterActor *
75 empathy_rounded_actor_new (guint round_factor)
76 {
77   EmpathyRoundedActor *self = EMPATHY_ROUNDED_ACTOR (
78     g_object_new (EMPATHY_TYPE_ROUNDED_ACTOR, NULL));
79
80   self->priv->round_factor = round_factor;
81
82   return CLUTTER_ACTOR (self);
83 }