swriter drawing

[meilin]

Hi!
we can draw some shapes in writer doc such as rect, line, circle and so on.
now i want to know how to draw these shapes to a virtual device.
i have already saw some code about drawing,but it's too hard for me to
understand.
so i ask you for help, if you have some documents about drawing? please
send me,thank you!

another problem
i want to draw some shapes in printpreview window, whether it's reasonable?

waiting for you help, thank you!
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