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From: Michal Mocny <mmocny@chromium.org>
Date: Fri, 6 Dec 2013 11:40:39 -0500
Message-ID: 
 <CAEeF2Te3TB3_Qj6XUDwb41Kmp1KwAFBBjqr1d53v22zEc=O2qw@mail.gmail.com>
Subject: Re: iOS webview size
To: dev <dev@cordova.apache.org>
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Yeah if you don't have correct viewport, and are using the 3.5 inch retina
iphone simulator, you will get 2 device pixels per css pixel, and thus see
the resolution you claim.

Also, even if you fix the viewport, I think that for efficiency reasons
some web renderers will specifically treat the canvas element as lowdpi
even on a highdpi device.  I do not know the details of safari webview, but
thats worth exploring if viewport doesn't fix the issue.  One quick article
I found that generally explains things to consider when working with canvas
on highdpi is: http://www.html5rocks.com/en/tutorials/canvas/hidpi/


On Fri, Dec 6, 2013 at 10:54 AM, Andrew Grieve <agrieve@chromium.org> wrote=
:

> Problem with viewport <meta> tag?
>
>
> On Fri, Dec 6, 2013 at 10:07 AM, James Jong <wjamesjong@gmail.com> wrote:
>
> > Are you targeting prior to iOS 5?
> > -James Jong
> >
> > On Dec 6, 2013, at 9:49 AM, Maxime LUCE <Maxime@somatic.fr> wrote:
> >
> > > By default, Cordova ios project targets iOS 5+, could it be blocking =
??
> > >
> > >
> > > Cordialement.
> > >
> > >
> > > Maxime LUCE
> > >
> > >
> > > maxime@touchit.fr
> > > 06 28 60 72 34
> > > http://touchit.fr
> > >
> > >
> > > -----Original Message-----
> > > From: mmocny@google.com [mailto:mmocny@google.com] On Behalf Of Micha=
l
> > Mocny
> > > Sent: vendredi 6 d=E9cembre 2013 15:45
> > > To: dev
> > > Subject: Re: iOS webview size
> > >
> > > 320 sounds like the width of the first three generations of iphone
> > (though the height is not 240 but 480).  Perhaps you are emulating an
> older
> > device?
> > >
> > >
> > > On Fri, Dec 6, 2013 at 9:28 AM, Maxime LUCE <Maxime@somatic.fr> wrote=
:
> > >
> > >> Frame is fullscreen but frame content is sized
> > >>
> > >>
> > >> Cordialement.
> > >>
> > >>
> > >> Maxime LUCE
> > >>
> > >>
> > >> maxime@touchit.fr
> > >> 06 28 60 72 34
> > >> http://touchit.fr
> > >>
> > >>
> > >> -----Original Message-----
> > >> From: James Jong [mailto:wjamesjong@gmail.com]
> > >> Sent: vendredi 6 d=E9cembre 2013 14:47
> > >> To: dev@cordova.apache.org
> > >> Subject: Re: iOS webview size
> > >>
> > >> Sounds like you have some customization in obj-c or the nib files.
> > >> The frame should be fullscreen by default.
> > >> -James Jong
> > >>
> > >> On Dec 6, 2013, at 8:25 AM, Maxime LUCE <Maxime@somatic.fr> wrote:
> > >>
> > >>> Hi,
> > >>>
> > >>> I will try to explain the issue more precisely.
> > >>> When I launch my app using XCode in the iOS emulator, I can see tha=
t
> > >>> my
> > >> app is resized in a 320x240 frame. This behavior force iOS to resize
> > >> every DOM elements to adjust to an arbitrary 320x240.
> > >>>
> > >>> I checked the behavior by putting a "alert(document.width) on start
> > up".
> > >>>
> > >>> Someone could help me override this behavior ? I'm not an iOS nor
> > >> objective C expert.
> > >>>
> > >>>
> > >>> Cordialement.
> > >>> ----------------------------
> > >>> Maxime LUCE
> > >>> maxime@touchit.fr
> > >>> 06 28 60 72 34
> > >>> http://touchit.fr
> > >>>
> > >>>
> > >>> Not sure what you mean.
> > >>>
> > >>> Are you saying you can only have a canvas with a max size of
> > >>> 320x240? I
> > >> have an app with a larger canvas than that.
> > >>>
> > >>> If that is what you are saying, be sure you are not trying to set
> > >>> the
> > >> canvas size just using CSS.
> > >>>
> > >>> For an example maybe have a look at my canvas demo:
> > >>>
> > >>> https://github.com/devgeeks/Canvas2ImageDemo
> > >>> On 06/12/2013 12:06 pm, "Maxime LUCE" <Maxime@somatic.fr> wrote:
> > >>>
> > >>>> Hi everyone,
> > >>>>
> > >>>> It appears that on iOS, webview is restricted to a 320x240 canvas.
> > >>>>
> > >>>> Is it possible to automatically set canvas size using device
> > >>>> screen's
> > >> one ?
> > >>>>
> > >>>> Why is it not the default scenario ?
> > >>>>
> > >>>> Cordialement.
> > >>>> -------------------------------
> > >>>> Maxime LUCE - Somatic
> > >>>> maxime.luce@somatic.fr
> > >>>> 06 28 60 72 34
> > >>>>
> > >>
> > >>
> >
> >
>

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