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`	`int`
	The X coordinate to fetch.
`y`	`int`
	The Y coordinate to fetch.
`zoom_level`	`int`
	The Z coordinate to fetch.
`cancellable`	`GCancellable`
	A `GCancellable`.
	The argument can be `NULL`.
	The data is owned by the caller of the function.
`callback`	`GAsyncReadyCallback`
	A `GAsyncReadyCallback` to execute upon completion.
	The argument can be `NULL`.
`user_data`	`gpointer`
	Closure data for `callback`.
	The argument can be `NULL`.
	The data is owned by the caller of the function.