static void
champlain_tile_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
ChamplainTile *self = CHAMPLAIN_TILE (object);
switch (property_id)
{
case PROP_X:
champlain_tile_set_x (self, g_value_get_uint (value));
break;
case PROP_Y:
champlain_tile_set_y (self, g_value_get_uint (value));
break;
case PROP_ZOOM_LEVEL:
champlain_tile_set_zoom_level (self, g_value_get_uint (value));
break;
case PROP_SIZE:
champlain_tile_set_size (self, g_value_get_uint (value));
break;
case PROP_STATE:
champlain_tile_set_state (self, g_value_get_enum (value));
break;
case PROP_CONTENT:
champlain_tile_set_content (self, g_value_get_object (value));
break;
case PROP_ETAG:
champlain_tile_set_etag (self, g_value_get_string (value));
break;
case PROP_FADE_IN:
champlain_tile_set_fade_in (self, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
render (ChamplainRenderer *renderer, ChamplainTile *tile)
{
ChamplainImageRendererPrivate *priv = GET_PRIVATE (renderer);
gboolean error = TRUE;
GdkPixbufLoader *loader = NULL;
GError *gerror = NULL;
ClutterActor *actor = NULL;
GdkPixbuf *pixbuf;
if (!priv->data || priv->size == 0)
goto finish;
loader = gdk_pixbuf_loader_new ();
if (!gdk_pixbuf_loader_write (loader,
(const guchar *) priv->data,
priv->size,
&gerror))
{
if (gerror)
{
g_warning ("Unable to load the pixbuf: %s", gerror->message);
g_error_free (gerror);
}
goto finish;
}
gdk_pixbuf_loader_close (loader, &gerror);
if (gerror)
{
g_warning ("Unable to close the pixbuf loader: %s", gerror->message);
g_error_free (gerror);
goto finish;
}
/* Load the image into clutter */
pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
actor = clutter_texture_new ();
if (!clutter_texture_set_from_rgb_data (CLUTTER_TEXTURE (actor),
gdk_pixbuf_get_pixels (pixbuf),
gdk_pixbuf_get_has_alpha (pixbuf),
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
gdk_pixbuf_get_rowstride (pixbuf),
gdk_pixbuf_get_bits_per_sample (pixbuf) *
gdk_pixbuf_get_n_channels (pixbuf) / 8,
0, &gerror))
{
if (gerror)
{
g_warning ("Unable to transfer to clutter: %s", gerror->message);
g_error_free (gerror);
}
g_object_unref (actor);
actor = NULL;
goto finish;
}
error = FALSE;
finish:
if (actor)
champlain_tile_set_content (tile, actor);
g_signal_emit_by_name (tile, "render-complete", priv->data, priv->size, error);
if (loader)
g_object_unref (loader);
}
static void
image_rendered_cb (GInputStream *stream, GAsyncResult *res, RendererData *data)
{
ChamplainTile *tile = data->tile;
gboolean error = TRUE;
GError *gerror = NULL;
ClutterActor *actor = NULL;
GdkPixbuf *pixbuf;
ClutterContent *content;
gfloat width, height;
pixbuf = gdk_pixbuf_new_from_stream_finish (res, NULL);
if (!pixbuf)
{
g_warning ("NULL pixbuf");
goto finish;
}
/* Load the image into clutter */
content = clutter_image_new ();
if (!clutter_image_set_data (CLUTTER_IMAGE (content),
gdk_pixbuf_get_pixels (pixbuf),
gdk_pixbuf_get_has_alpha (pixbuf)
? COGL_PIXEL_FORMAT_RGBA_8888
: COGL_PIXEL_FORMAT_RGB_888,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
gdk_pixbuf_get_rowstride (pixbuf),
&gerror))
{
if (gerror)
{
g_warning ("Unable to transfer to clutter: %s", gerror->message);
g_error_free (gerror);
}
g_object_unref (content);
goto finish;
}
clutter_content_get_preferred_size (content, &width, &height);
actor = clutter_actor_new ();
clutter_actor_set_size (actor, width, height);
clutter_actor_set_content (actor, content);
g_object_unref (content);
/* has to be set for proper opacity */
clutter_actor_set_offscreen_redirect (actor, CLUTTER_OFFSCREEN_REDIRECT_AUTOMATIC_FOR_OPACITY);
error = FALSE;
finish:
if (actor)
champlain_tile_set_content (tile, actor);
g_signal_emit_by_name (tile, "render-complete", data->data, data->size, error);
if (pixbuf)
g_object_unref (pixbuf);
g_object_unref (data->renderer);
g_object_unref (tile);
g_object_unref (stream);
g_free (data->data);
g_slice_free (RendererData, data);
}
