static VALUE
rbgio_ginitable_new_body(struct rbgio_ginitable_new_data *data)
{
rb_iterate(rb_each,
data->rbparameters,
rbgio_ginitiable_new_parameters_initialize,
(VALUE)data);
return (VALUE)g_initable_newv(G_TYPE_FROM_CLASS(data->gclass),
data->n_parameters,
data->parameters,
data->cancellable,
&data->error);
}
GObject *
rbgio_ginitable_new(GType type, VALUE parameters, VALUE cancellable)
{
static ID s_id_length;
GError *error = NULL;
GObject *object;
struct rbgio_ginitable_new_data data;
if (s_id_length == 0)
s_id_length = rb_intern("length");
if (!g_type_is_a(type, G_TYPE_OBJECT))
rb_raise(rb_eArgError,
"%s is not a descendant of GObject",
g_type_name(type));
if (NIL_P(parameters)) {
object = g_initable_newv(type,
0,
NULL,
RVAL2GCANCELLABLE(cancellable),
&error);
if (object == NULL)
rbgio_raise_error(error);
return object;
} else {
parameters = rb_convert_type(parameters,
T_HASH,
"Hash",
"to_hash");
}
data.gclass = G_OBJECT_CLASS(g_type_class_ref(type));
data.cancellable = RVAL2GCANCELLABLE(cancellable);
data.rbparameters = parameters;
data.index = 0;
data.n_parameters = RVAL2GUINT(rb_funcall(parameters, s_id_length, 0));
data.parameters = g_new(GParameter, data.n_parameters);
data.error = NULL;
object = (GObject *)rb_ensure(rbgio_ginitable_new_body, (VALUE)&data,
rbgio_ginitable_new_ensure, (VALUE)&data);
if (object == NULL)
rbgio_raise_error(data.error);
return object;
}
/**
* uca_plugin_manager_get_camerav:
* @manager: A #UcaPluginManager
* @name: Name of the camera module, that maps to libuca<name>.so
* @n_parameters: number of parameters in @parameters
* @parameters: (array length=n_parameters): the parameters to use to construct
* the camera
* @error: Location for a #GError or %NULL
*
* Create a new camera instance with camera @name.
*
* Returns: (transfer full): A new #UcaCamera object.
* Since: 1.2
*/
UcaCamera *
uca_plugin_manager_get_camerav (UcaPluginManager *manager,
const gchar *name,
guint n_parameters,
GParameter *parameters,
GError **error)
{
UcaPluginManagerPrivate *priv;
UcaCamera *camera;
GType type;
g_return_val_if_fail (UCA_IS_PLUGIN_MANAGER (manager) && (name != NULL), NULL);
priv = manager->priv;
type = get_camera_type (priv, name, error);
if (type == G_TYPE_NONE)
return NULL;
camera = (UcaCamera *) g_initable_newv (type, n_parameters, parameters,
NULL, error);
return camera;
}