>> I also don’t get it. What’s the problem? FreeType always does it from
>> outlines. It allocates the bitmap memory. It happens to be tight in most
>> cases because there is usually on-points at the extreme. Otherwise it is a
>> bit larger.
>
> Well, the same goes for most SVG rendering libraries. They provide functions
> that can do this. The bounding box will be tight unless "clipping" has been
> used in which case it will be bigger. That's the problem.
Also the render module interface has a function pointer that should return the
bounding box from outside.
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