Function

GdkPixbufPixbufget_file_info_async

since: 2.32

Declaration [src]

void
gdk_pixbuf_get_file_info_async (
  const gchar* filename,
  GCancellable* cancellable,
  GAsyncReadyCallback callback,
  gpointer user_data
)

Description [src]

Asynchronously parses an image file far enough to determine its format and size.

For more details see gdk_pixbuf_get_file_info(), which is the synchronous version of this function.

When the operation is finished, callback will be called in the main thread. You can then call gdk_pixbuf_get_file_info_finish() to get the result of the operation.

Available since: 2.32

This function completes asynchronously. Use gdk_pixbuf_get_file_info_finish() inside the GAsyncReadyCallback to obtain the result of the operation.

Parameters

filename

Type: const gchar*

The name of the file to identify.

The data is owned by the caller of the function.

The value is a platform-native string, using the preferred OS encoding on Unix and UTF-8 on Windows.

cancellable

Type: GCancellable

Optional GCancellable object, NULL to ignore.

The argument can be NULL.

The data is owned by the caller of the function.

callback

Type: GAsyncReadyCallback

A GAsyncReadyCallback to call when the file info is available.

user_data

Type: gpointer

The data to pass to the callback function.

The argument can be NULL.

The data is owned by the caller of the function.