gdkPixbufGetFromDrawable but gets the pixbuf from
an image.gdkPixbufGetFromImage(src, cmap, src.x, src.y, dest.x, dest.y, width, height)srcGdkImage.cmapNULL to use the one for src. [ allow-none ]src.xsrc.ydest.xdest is NULL.dest.ydest is NULL.widthheightGdkPixbuf] dest, newly-created pixbuf if dest was NULL, NULL on errordestNULL if a new pixbuf should be created. [ allow-none ]