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http://www.openoffice.org/issues/show_bug.cgi?id=101921
User fs changed the following:
What |Old value |New value
================================================================================
Assigned to|fs |pl
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------- Additional comments from f...@openoffice.org Mon Jun 22 09:53:04 +0000
2009 -------
fs->pl: Saving the document paints its content into a meta file, which is then
played to generate the document thunmbnail.
Painting controls is done via Window::PaintToDevice. Therein, a normal paint is
done, capturing the output in a meta file. This meta file is played onto a
virtual device, whose content is subsequently retrieved as BitmapEx via
GetBitmapEx. Now this bitmap is painted onto the target device (of the
PaintToDevice call) via an DrawBitmapEx call. This target device itself has a
meta file, onto which the DrawBitmapEx call is recorded (via a MetaBmpExAction).
Finally, when the thumbnail of the document is generated, this latter meta file
is played - and in GDIMetaFile::ImplExchangeColors, it effectively says that
MetaBmpExActions are not supported.
So, I think that either PaintToDevice is wrong in using DrawBitmapEx, or
ImplExchangeColors is wrong in not supporting this kind of meta file actions.
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