W3C home > Mailing lists > Public > www-style@w3.org > August 2010

Re: CSS Viewport proposal

From: Kenneth Rohde Christiansen <kenneth.christiansen@gmail.com>
Date: Tue, 17 Aug 2010 09:16:22 -0300
Message-ID: <AANLkTimjv3_YXu=g2wRA73He9wuc7KWyfWYoh3ab+eE_@mail.gmail.com>
To: Rune Lillesveen <rune@opera.com>
Cc: Kenneth Christiansen <kenneth.christiansen@openbossa.org>, www-style list <www-style@w3.org>, Eduardo Fleury <eduardo.fleury@openbossa.org>
Another issue:

12: If initial-scale is ‘auto’, set initial-scale = (available-width /
desktop-width)

Now initial-scale is no longer auto, so the following will never happen.

14. If the computed values of both width and initial-scale are ‘auto’,
set width = desktop-width

Kenneth

On Tue, Aug 17, 2010 at 9:03 AM, Kenneth Rohde Christiansen
<kenneth.christiansen@gmail.com> wrote:
> I guess what you want is the following:
>
> 10. If the computed value of initial-scale is ‘auto’ and width is not
> ‘auto’, set initial-scale = (available-width / width)
> 11. If the computed value of initial-scale is ‘auto’ and height is not
> ‘auto’, set initial-scale = MAX(initial-scale, (available-height /
> height))
> 12. If initial-scale is ‘auto’, set initial-scale = (available-width /
> desktop-width)
>
> swap 11 and 12.
>
> 10. If the computed value of initial-scale is ‘auto’ and width is not
> ‘auto’, set CALCULATED initial-scale = (available-width / width)
> 12.  If initial-scale is ‘auto’, set CALCULATED initial-scale =
> (available-width / desktop-width)
> 11.  If the computed value of initial-scale is ‘auto’ and height is
> not ‘auto’, set initial-scale = MAX(CALCULATED initial-scale,
> (available-height / height))
>
> Agree?
>
> Kenneth
>
> On Tue, Aug 17, 2010 at 8:54 AM, Kenneth Rohde Christiansen
> <kenneth.christiansen@gmail.com> wrote:
>> Hi Rune,
>>
>> This seems wrong:
>>
>> 11. If the computed value of initial-scale is ‘auto’ and height is not
>> ‘auto’, set initial-scale = MAX(initial-scale, (available-height /
>> height))
>>
>> How can you do max of something that is auto.
>>
>> I use the following in my code:
>> appliedScale = qMax(qreal(visibleWidth) / qreal(appliedWidth),
>> qreal(visibleHeight) / qreal(appliedHeight));
>>
>> Cheers,
>> Kenneth
>>
>> On Thu, Aug 12, 2010 at 3:55 AM, Rune Lillesveen <rune@opera.com> wrote:
>>> On Thu, 12 Aug 2010 01:42:53 +0200, Kenneth Rohde Christiansen
>>> <kenneth.christiansen@gmail.com> wrote:
>>>
>>>> Strange, maybe this changed between versions. Do you get overflow on
>>>> www.uol.com.br then? like 10 pixels in width?
>>>
>>> I get 988 for window.innerWidth for uol.com.br. The problem with my simple
>>> cases was that they didn't have enough height.
>>>
>>> In Safari, this case sets a scale factor that fits 980px in the viewport for
>>> the width:
>>>
>>>  <div style="width: 4000px; height: 10px; background: green;"></div>
>>>
>>> while this gives 1280px (limited by default minimum-scale of 0.25 - 320/0.25
>>> = 1280)
>>>
>>>  <div style="width: 4000px; height: 4000px; background: green;"></div>
>>>
>>>> On Wed, Aug 11, 2010 at 3:40 PM, Rune Lillesveen <rune@opera.com> wrote:
>>>>>
>>>>> On Mon, 09 Aug 2010 17:50:43 +0200, Kenneth Christiansen
>>>>> <kenneth.christiansen@openbossa.org> wrote:
>>>>>
>>>>>> Hi again,
>>>>>>
>>>>>> You seem to be missing the fit-to-contents part. Try opening
>>>>>> www.uol.com.br on the iPhone. As it has no viewport tag, 980 is
>>>>>> assumed as the layout width, but as the contents is 990 in width, the
>>>>>> iPhone actually modifies the scale value to fit to contents.
>>>>>
>>>>> I'm not able to get much sense out of this. It's not modifying the scale
>>>>> value to fit the contents in the simple cases for overflowing the initial
>>>>> containing block that I've tried.
>>>
>>> --
>>> Rune Lillesveen
>>> Senior Core Developer / Architect
>>> Opera Software ASA
>>>
>>
>>
>>
>> --
>> Kenneth Rohde Christiansen
>> Technical Lead / Senior Software Engineer
>> Qt Labs Americas, Nokia Technology Institute, INdT
>> Phone  +55 81 8895 6002 / E-mail kenneth.christiansen at openbossa.org
>>
>> http://codeposts.blogspot.com ﹆﹆﹆
>>
>
>
>
> --
> Kenneth Rohde Christiansen
> Technical Lead / Senior Software Engineer
> Qt Labs Americas, Nokia Technology Institute, INdT
> Phone  +55 81 8895 6002 / E-mail kenneth.christiansen at openbossa.org
>
> http://codeposts.blogspot.com ﹆﹆﹆
>



-- 
Kenneth Rohde Christiansen
Technical Lead / Senior Software Engineer
Qt Labs Americas, Nokia Technology Institute, INdT
Phone  +55 81 8895 6002 / E-mail kenneth.christiansen at openbossa.org

http://codeposts.blogspot.com ﹆﹆﹆
Received on Tuesday, 17 August 2010 12:17:10 GMT

This archive was generated by hypermail 2.3.1 : Tuesday, 26 March 2013 17:20:30 GMT