Function

GdkPixbufPixbufnew_from_stream_at_scale_async

since: 2.24

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

Type: GInputStream

A GInputStream from which to load the pixbuf.

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

Type: gint

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

height

Type: gint

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

preserve_aspect_ratio

Type: gboolean

TRUE to preserve the image’s aspect ratio.

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 pixbuf is loaded.

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.