Method
ShumateDataSourceget_tile_data_async
Declaration [src]
void
shumate_data_source_get_tile_data_async (
ShumateDataSource* self,
int x,
int y,
int zoom_level,
GCancellable* cancellable,
GAsyncReadyCallback callback,
gpointer user_data
)
Description [src]
Gets the data for the tile at the given coordinates.
Some data sources may return data multiple times. For example,
ShumateTileDownloader may return data from a cache, then return updated
data from the network. ShumateDataSource::received-data is emitted
each time data is received, then callback is called after the last update.
Parameters
x-
Type:
intThe X coordinate to fetch.
y-
Type:
intThe Y coordinate to fetch.
zoom_level-
Type:
intThe Z coordinate to fetch.
cancellable-
Type:
GCancellableA
GCancellable.The argument can be NULL.The data is owned by the caller of the function. callback-
Type:
GAsyncReadyCallbackA
GAsyncReadyCallbackto execute upon completion.The argument can be NULL. user_data-
Type:
gpointerClosure data for
callback.The argument can be NULL.The data is owned by the caller of the function.