[cairo] Windows font rendering issue

Behdad Esfahbod behdad at behdad.org
Tue Oct 13 10:26:13 PDT 2009




On 10/13/2009 10:07 AM, cu wrote:
> Good day all!
> I seem to recall the issue discussed previously, but can't find what it
> was or whether there was a resolution.
> The Cairo version is 1.8.6 (which we'd like to keep, if possible, since
> it seems to perform a better for us). Essentially, when rendering text
> using Windows font backend and image surface, text sometimes gets cut
> off - usually on the bottom or right by what appears to be a line
> exactly one pixel wide. It would almost seem like there is a clip mask
> around it and it is a bit too small for the output. Examples would be
> trivial - simply create image surface, select a font ("arial") for
> example, and keep changing font and surface size, then repainting.
> As a side issue, windows font sizes seem to adjust much less gracefully
> than those on Mac/Linux (essentially in jumps, and also occasionally
> font appearance seems to change as size is increased/decreased by 1 unit).
> Same code does not exhibit this behavior on Mac/Linux using FreeType
> font backend.
> Any help/advice would be appreciated.
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