Function

GdkPixbuf.Pixbuf.new_from_stream_at_scale_async

Declaration [src]

void
gdk_pixbuf_new_from_stream_at_scale_async (
  GInputStream* stream,
  gint width,
  gint height,
  gboolean preserve_aspect_ratio,
  GCancellable* cancellable,
  GAsyncReadyCallback callback,
  gpointer user_data
)

Description [src]

Creates a new pixbuf by asynchronously loading an image from an input stream.

For more details see gdk_pixbuf_new_from_stream_at_scale(), 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_new_from_stream_finish() to get the result of the operation.

Available since:2.24

Parameters

stream GInputStream*
 

a GInputStream from which to load the pixbuf

 The data is owned by the caller of the function
width gint
 

the width the image should have or -1 to not constrain the width

height gint
 

the height the image should have or -1 to not constrain the height

preserve_aspect_ratio gboolean
 

TRUE to preserve the image’s aspect ratio

cancellable GCancellable*
 

optional GCancellable object, NULL to ignore

 Can be NULL
 The data is owned by the caller of the function
callback GAsyncReadyCallback
 

a GAsyncReadyCallback to call when the pixbuf is loaded

user_data gpointer
 

the data to pass to the callback function