All the painting functions
defined by class qt.QtLuaPainter
can be called directly using the
Lua method syntax
on the table returned by the functions
qtwidget.newwindow
,
qtwidget.newimage
,
qtwidget.newps
,
qtwidget.newpdf
, and
qtwidget.newprint
.
These calls are simply forwarded to the underlying
qt.QtLuaPainter
object.