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:
GCancellableOptional
GCancellableobject,NULLto ignore.The argument can be NULL.The data is owned by the caller of the function. callback-
Type:
GAsyncReadyCallbackA
GAsyncReadyCallbackto call when the file info is available. user_data-
Type:
gpointerThe data to pass to the callback function.
The argument can be NULL.The data is owned by the caller of the function.