@accepts(GdkPixbuf.Pixbuf, Gtk.IconSize) @returns(GdkPixbuf.Pixbuf) def scale_pixbuf_to_size(pixbuf, size)
Creates a new GdkPixbuf from the original one, for a target of size, respecting the aspect ratio of the image.
pixbuf :
the GdkPixbuf containing the original image
size :
a stock icon size
Returns :
scaled GdkPixbuf