[cairo] Serious concerns about cairo
spitzak at d2.com
Thu Oct 5 10:47:31 PDT 2006
Behdad Esfahbod wrote:
> On Tue, 2006-09-26 at 17:04 -0700, Bill Spitzak wrote:
>> Behdad Esfahbod wrote:
>>> Can you elaborate? What is the area-preserving box? What we currently
>>> return is the bounding box of the rotated glyph bounding box.
>> The returned box has the same area as the transformed bounding box, and
>> should circumscribe the ellipse that results from transforming an
>> ellipse inscribed in the input bounding box.
> This is very interesting, but, it does result in ink out of the bounding
> box for letters as simple as a capital T, right?
Yes. However I still feel this is better than a seriously over-sized
box. If you use the bounding box of the transformed corners of the
straight bounding box, it is *much* larger. This may mean it can never
be changed to the actual area, as code will exist that relies on this
very large box.
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