[webkit-dev] Subpixel Layout Update

[Adam Barth]

On Fri, Feb 10, 2012 at 5:49 PM, Levi Weintraub <leviw at google.com> wrote:
> WebKittens,
>
> We're planning to wrap up our conversion of the RenderTree to subpixel units
> next week. We've created a the following wiki page to help explain the
> changes we are making: https://trac.webkit.org/wiki/LayoutUnit If you work
> on the rendering code, please take a look and talk to Emil and me if you
> have any questions.
>
> This will effect a large number of layout test expectations as well as some
> platform interfaces. If you are working on or maintaining a port other than
> Apple, Qt, and Chromium, please touch bases with us.

We've been talking about turning on mock scroll bars for Chromium.
Would it make sense to do that at the same time to minimize the number
of baseline updates?

Adam


> On Fri, Oct 28, 2011 at 1:43 PM, Levi Weintraub <leviw at chromium.org> wrote:
>>
>> WebKittens,
>>
>> As you may know, Emil and I have been diligently working on getting
>> subpixel layout up and running in WebKit. After much testing, we
>> settled on a fixed point implementation instead of floats; we're happy
>> to discuss how we arrived at this decision. We're currently in a state
>> where we pass most of the layout tests and many (but not all) of the
>> remaining failures are due to rounding differences that are desirable.
>>
>> As such, we've moved our efforts to a public branch on the WebKit.org
>> svn server, and would love early feedback and advice. Our branch
>> currently runs the following ports: Mac, Qt, Chromium-Linux, and
>> Chromium-Mac. Any advice or help bringing up other platforms would be
>> greatly appreciated.
>>
>> You can check our work out here:
>> http://svn.webkit.org/repository/webkit/branches/subpixellayout
>> (currently branched from r98654 and we'll continue to track head by a
>> day or two)
>>
>> Thanks,
>> Emil and Levi
>
>
>
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