Obtains the available information about the image formats supported
by GdkPixbuf.
Return: A list of
#GdkPixbufFormats describing the supported image formats. The list should
be freed when it is no longer needed, but the structures themselves are
owned by #GdkPixbuf and should not be freed.
Obtains the available information about the image formats supported by GdkPixbuf.
Return: A list of #GdkPixbufFormats describing the supported image formats. The list should be freed when it is no longer needed, but the structures themselves are owned by #GdkPixbuf and should not be freed.