[webkit-dev] InlineBox::m_isSVG

Roland Steiner rolandsteiner at google.com
Thu Jun 25 02:32:54 PDT 2009

Hi Dave,

thanks again for the feedback! I've now submitted a patch to bug #3749 with
a basic ruby implementation with all the changes discussed on the list.
(including the flag). Would be great if you could take time to review the
patch whenever you can spare the time.



On Tue, Jun 23, 2009 at 2:12 AM, David Hyatt <hyatt at apple.com> wrote:

> On Jun 21, 2009, at 11:18 PM, Roland Steiner wrote:
>  Hi Dave,
>> as I will probably need to special-case height() for ruby InlineBox
>> objects in the same way as is done for SVG boxes (still ironing out the
>> details, though), making height() virtual was exactly my intent. I would
>> have thought that the performance cost of a virtual call to height() would
>> be offset by being able to remove the isSVG() condition inside (and later a
>> potential isRuby() condition as well).
>> Now if there are actual performance reasons for that bit and/or for having
>> height() be non-virtual, then I may need to find another solution.
>> Thanks,
>> Roland
> You could probably just rename the m_isSVG bit to be something like
> m_calculatesHeight, and then the virtual method that height() calls when
> that is true could be renamed to be more general.
> dave
> (hyatt at apple.com)
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