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[clutter-texture] add option to not block on size for loaded images

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Added a construct time property to indicate that we do not want
to block on loading images.
This commit is contained in:
Øyvind Kolås
2009-03-12 10:14:40 +00:00
parent 5d3d971389
commit d3b68298ac
2 changed files with 122 additions and 63 deletions
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86
clutter/clutter-texture.c
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@ -99,9 +99,10 @@ struct _ClutterTexturePrivate
guint repeat_y : 1;
guint in_dispose : 1;
guint keep_aspect_ratio : 1;
guint load_async : 1;
guint load_size_async : 1;
guint load_data_async : 1;
guint load_async_set : 1; /* used to make load_async
possible */
ClutterTextureAsyncData *async_data;
};
@ -840,13 +841,26 @@ clutter_texture_set_property (GObject *object,
priv->keep_aspect_ratio = g_value_get_boolean (value);
break;
case PROP_LOAD_ASYNC:
priv->load_async = g_value_get_boolean (value);
if (g_value_get_boolean (value))
{
priv->load_data_async = TRUE;
priv->load_async_set = TRUE;
priv->load_size_async = TRUE;
}
break;
case PROP_LOAD_DATA_ASYNC:
priv->load_data_async = g_value_get_boolean (value);
if (g_value_get_boolean (value))
{
priv->load_async_set = TRUE;
priv->load_data_async = TRUE;
}
break;
case PROP_LOAD_SIZE_ASYNC:
priv->load_size_async = g_value_get_boolean (value);
if (g_value_get_boolean (value))
{
priv->load_async_set = TRUE;
priv->load_size_async = TRUE;
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -903,9 +917,6 @@ clutter_texture_get_property (GObject *object,
case PROP_KEEP_ASPECT_RATIO:
g_value_set_boolean (value, priv->keep_aspect_ratio);
break;
case PROP_LOAD_ASYNC:
g_value_set_boolean (value, priv->load_async);
break;
case PROP_LOAD_DATA_ASYNC:
g_value_set_boolean (value, priv->load_data_async);
break;
@ -1047,26 +1058,10 @@ clutter_texture_class_init (ClutterTextureClass *klass)
FALSE,
CLUTTER_PARAM_READWRITE));
/**
* ClutterTexture:load-size-sync:
*
* When set to TRUE clutter will not block loading the size initially,
* when used in this manner the size of the actor will change (and the
* load-size-complete signal will be fired when the size is available).
*
* Since: 1.0
*/
g_object_class_install_property
(gobject_class, PROP_LOAD_SIZE_ASYNC,
g_param_spec_boolean ("load-size-async",
"Load size asynchronously",
"If set to TRUE clutter will not block until it has "
"loaded the size of the file.",
FALSE,
CLUTTER_PARAM_READWRITE));
/**
* ClutterTexture:load-async:
* ClutterTexture:load-data-async:
*
* Tries to load a texture from a filename by using a local thread
* to perform the read operations. Threading is only enabled if
@ -1080,20 +1075,39 @@ clutter_texture_class_init (ClutterTextureClass *klass)
* Since: 1.0
*/
g_object_class_install_property
(gobject_class, PROP_LOAD_ASYNC,
(gobject_class, PROP_LOAD_DATA_ASYNC,
g_param_spec_boolean ("load-data-async",
"Load data asynchronously",
"Load files inside a thread to avoid blocking when "
"loading images.",
FALSE,
CLUTTER_PARAM_READWRITE));
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT));
/**
* ClutterTexture:load-size-sync:
*
* When set to TRUE clutter will not block loading the size initially,
* when used in this manner the size of the texture will initially be
* 0x0 when the size is available a "size-change" signal will be emitted.
*
* Since: 1.0
*/
g_object_class_install_property
(gobject_class, PROP_LOAD_SIZE_ASYNC,
g_param_spec_boolean ("load-size-async",
"Load size asynchronously",
"If set to TRUE clutter will not block until it has "
"loaded the size of the file.",
FALSE,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT));
/**
* ClutterTexture:load-async:
*
* Load texture fully asynchronosuly, loading both the size and data
* in a separate thread.
* in a separate thread. Setting this to TRUE is equivalent of setting
* both load-data-async and load-size-async.
*
* Since: 1.0
*/
@ -1104,7 +1118,7 @@ clutter_texture_class_init (ClutterTextureClass *klass)
"Load files inside a thread to avoid blocking when "
"loading images.",
FALSE,
CLUTTER_PARAM_WRITABLE));
CLUTTER_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
/**
* ClutterTexture::size-change:
@ -1690,9 +1704,11 @@ clutter_texture_async_load_complete (ClutterTexture *self,
waste, flags,
COGL_PIXEL_FORMAT_ANY);
clutter_texture_set_cogl_texture (self, handle);
/*clutter_actor_set_size (self, cogl_texture_get_width (handle),
cogl_texture_get_height (handle));*/
cogl_texture_unref (handle);
if (priv->load_size_async)
{
g_signal_emit (self, texture_signals[SIZE_CHANGE], 0, cogl_texture_get_width(handle), cogl_texture_get_height (handle));
clutter_actor_queue_redraw (self);
}
}
g_signal_emit (self, texture_signals[LOAD_FINISHED], 0, error);
@ -1760,7 +1776,7 @@ clutter_texture_thread_func (gpointer user_data, gpointer pool_data)
* idle handler now without the possibility of calling the
* callback after it is aborted */
data->load_idle =
clutter_threads_add_idle (clutter_texture_thread_idle_func, data);
clutter_threads_add_idle_full (G_PRIORITY_LOW, clutter_texture_thread_idle_func, data, NULL);
g_mutex_unlock (data->mutex);
}
@ -1830,6 +1846,8 @@ clutter_texture_async_load (ClutterTexture *self,
if (priv->load_size_async)
{
res = TRUE;
width = 0;
height = 0;
}
else
{
@ -1920,7 +1938,7 @@ clutter_texture_set_from_file (ClutterTexture *texture,
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if (priv->load_async)
if (priv->load_data_async)
return clutter_texture_async_load (texture, filename, error);
if (!priv->no_slice)