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【转帖】rasterize a dwg to an existing bitmap
rasterize a dwg to an existing bitmap
rasterize a dwg to an existing bitmap
hi,
i need to be able to rasterize the contents of a dwg
to a bitmap wich may or may not already contain other
information, so i need to control wether or not the bitmap
is cleared before the rasterisation.
i have been looking into the examples wingdi, winbitmap
odvectorizeex and so on, but i am afraid i get a bit lost
in all the classes used. i can see it is being used in the
odamfcapp sample, but then it is used in the context of
a view, which i will not have. i will just have a hdc from
createcompatibledc() with a hbitmap selected into it
from createcompatblebitmap(). i will draw some things
into this hdc/hbitmap, and then want to rasterize the
contents of a dwg over this information without first
clearing the background. in addition to this i use my
own world to pixel (device) transformation, so i will
have to be able to tell the rasteriser what transformation
to use.
suggestions would be very welcome!!!
kind regards,
jeroen posch.
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