[Bug 13801] Very slow text rendering in AutoCAD

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=13801





--- Comment #2 from max at veneto.com  2008-06-17 03:52:01 ---
(In reply to comment #1)
> Created an attachment (id=13840)
 --> (http://bugs.winehq.org/attachment.cgi?id=13840) [details]
> Sample to reproduce slow text render
> 
> Here a sample drawing to show the problem.
> It doesn't appear at first.
> First try panning the image a bit (mid mouse button).
> If it pans smoothly, then try to zoom in and out (mouse wheel).
> At a moment on zooming the program seems to hang. That's the right zoom
> position to reproduce the bug, or a step inner/outer from it.
> 
> The strange stuff is that the bugf appears only at a certain zoom factor, if
> bigger or smalle it doesn't. It seems to me that autocad changes output data
> (or function) depending on text zoom factor.
> 
> I really don't know which trace/relay should I output to locate the bug.
> 
> Ciao
> 
> Max
> 

As an update to that one, I noticed that the problem is in truetype fonts
filling.
Disabling font filling in Autocad (must choose 3d wireframe mode) the speed is
good enough.

Max


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