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
|
#include <gtk/gtk.h>
#include "pixbufpaintable.h"
struct _PixbufPaintable {
GObject parent_instance;
char *resource_path;
GdkPixbufAnimation *anim;
GdkPixbufAnimationIter *iter;
guint timeout;
};
enum {
PROP_RESOURCE_PATH = 1,
NUM_PROPERTIES
};
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
static void
pixbuf_paintable_snapshot (GdkPaintable *paintable,
GdkSnapshot *snapshot,
double width,
double height)
{
PixbufPaintable *self = PIXBUF_PAINTABLE (paintable);
GTimeVal val;
GdkPixbuf *pixbuf;
GdkTexture *texture;
g_get_current_time (&val);
gdk_pixbuf_animation_iter_advance (self->iter, &val);
pixbuf = gdk_pixbuf_animation_iter_get_pixbuf (self->iter);
texture = gdk_texture_new_for_pixbuf (pixbuf);
gdk_paintable_snapshot (GDK_PAINTABLE (texture), snapshot, width, height);
g_object_unref (texture);
}
G_GNUC_END_IGNORE_DEPRECATIONS;
static int
pixbuf_paintable_get_intrinsic_width (GdkPaintable *paintable)
{
PixbufPaintable *self = PIXBUF_PAINTABLE (paintable);
return gdk_pixbuf_animation_get_width (self->anim);
}
static int
pixbuf_paintable_get_intrinsic_height (GdkPaintable *paintable)
{
PixbufPaintable *self = PIXBUF_PAINTABLE (paintable);
return gdk_pixbuf_animation_get_height (self->anim);
}
static void
pixbuf_paintable_init_interface (GdkPaintableInterface *iface)
{
iface->snapshot = pixbuf_paintable_snapshot;
iface->get_intrinsic_width = pixbuf_paintable_get_intrinsic_width;
iface->get_intrinsic_height = pixbuf_paintable_get_intrinsic_height;
}
G_DEFINE_TYPE_WITH_CODE(PixbufPaintable, pixbuf_paintable, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GDK_TYPE_PAINTABLE,
pixbuf_paintable_init_interface))
static void
pixbuf_paintable_init (PixbufPaintable *paintable)
{
}
static gboolean
delay_cb (gpointer data)
{
PixbufPaintable *self = data;
int delay;
delay = gdk_pixbuf_animation_iter_get_delay_time (self->iter);
self->timeout = g_timeout_add (delay, delay_cb, self);
gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
return G_SOURCE_REMOVE;
}
static void
pixbuf_paintable_set_resource_path (PixbufPaintable *self,
const char *resource_path)
{
int delay;
g_free (self->resource_path);
self->resource_path = g_strdup (resource_path);
g_clear_object (&self->anim);
self->anim = gdk_pixbuf_animation_new_from_resource (resource_path, NULL);
g_clear_object (&self->iter);
self->iter = gdk_pixbuf_animation_get_iter (self->anim, NULL);
delay = gdk_pixbuf_animation_iter_get_delay_time (self->iter);
self->timeout = g_timeout_add (delay, delay_cb, self);
gdk_paintable_invalidate_contents (GDK_PAINTABLE (self));
g_object_notify (G_OBJECT (self), "resource-path");
}
static void
pixbuf_paintable_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
PixbufPaintable *self = PIXBUF_PAINTABLE (object);
switch (prop_id)
{
case PROP_RESOURCE_PATH:
pixbuf_paintable_set_resource_path (self, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
pixbuf_paintable_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
PixbufPaintable *self = PIXBUF_PAINTABLE (object);
switch (prop_id)
{
case PROP_RESOURCE_PATH:
g_value_set_string (value, self->resource_path);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
pixbuf_paintable_dispose (GObject *object)
{
PixbufPaintable *self = PIXBUF_PAINTABLE (object);
g_clear_pointer (&self->resource_path, g_free);
g_clear_object (&self->anim);
g_clear_object (&self->iter);
if (self->timeout)
{
g_source_remove (self->timeout);
self->timeout = 0;
}
G_OBJECT_CLASS (pixbuf_paintable_parent_class)->dispose (object);
}
static void
pixbuf_paintable_class_init (PixbufPaintableClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->dispose = pixbuf_paintable_dispose;
object_class->get_property = pixbuf_paintable_get_property;
object_class->set_property = pixbuf_paintable_set_property;
g_object_class_install_property (object_class, PROP_RESOURCE_PATH,
g_param_spec_string ("resource-path", "Resource path", "Resource path",
NULL, G_PARAM_READWRITE));
}
GdkPaintable *
pixbuf_paintable_new_from_resource (const char *path)
{
return g_object_new (PIXBUF_TYPE_PAINTABLE,
"resource-path", path,
NULL);
}
|
