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From Shazron <shaz...@gmail.com>
Subject Re: Camera API
Date Wed, 28 Aug 2013 16:15:19 GMT
IMO first step would be that we find out what the existing implementations
actually do, and doc them
do our standard deprecation dance and implement the new shiny and correct
functionality


On Thu, Aug 29, 2013 at 12:04 AM, James Jong <wjamesjong@gmail.com> wrote:

> Several ways we could go here.  One is to improve the documentation.  iOS
> chooses the larger image size.  I'm not sure if all the platforms do it the
> same way.  I'd be happy to update the doc if it's all the same.  Second is
> to modify the implementation to only require either W or H.  Note that we
> would break backwards compatibility there.
>
> -James Jong
>
> On Aug 28, 2013, at 10:16 AM, Ray Camden <raycamde@adobe.com> wrote:
>
> > As a user though, that doesn't necessarily make sense. You are saying,
> > "You must give me a H and W, but I'm going to maintain the aspect ratio
> no
> > matter what." Given that, which side is "corrected" if I pass a H and W
> > that do not maintain the aspect ratio? Do we document it? I've worked on
> > another platform that provides a way to pass a H and W that act as a
> > bounding box, so if I use 150x150, my final result will be no bigger than
> > 150x150, but possibly smaller in order to maintain aspect ratio. If that
> > is what PG is doing, then the docs should clearly spell that out. Maybe
> it
> > is assumed by "Aspect ratio remains constant", but I think it could be
> > clearer.
> >
> > On 8/28/13 9:04 AM, "James Jong" <wjamesjong@gmail.com> wrote:
> >
> >> You're right that it could be calculated based on one or the other.  The
> >> code expects both today.  I think the point is to be clear that the
> >> aspect ratio is maintained, so that the user does not expect to be able
> >> to arbitrarily set both.
> >>
> >> -James Jong
> >>
> >> On Aug 28, 2013, at 7:15 AM, John Wargo <john@johnwargo.com> wrote:
> >>
> >>> I've got another silly question. In looking at the Camera API, I see
> >>> the following:
> >>>
> >>> targetWidth: Width in pixels to scale image. Must be used with
> >>> targetHeight. Aspect ratio remains constant. (Number)
> >>>
> >>> targetHeight: Height in pixels to scale image. Must be used with
> >>> targetWidth. Aspect ratio remains constant. (Number)
> >>>
> >>> I'm not getting why targetWidth MUST be used with targetHeight (and
> >>> visa versa) when aspect ratio remains constant. If aspect ratio remains
> >>> constant, then setting one automatically forces the other - that's the
> >>> whole point of maintaining aspect ratio, right? If the API is
> >>> maintaining aspect ratio while sizing the image, then forcing the
> >>> developer to specify both parameters is simply wasted work.
> >>>
> >>> What am I missing here?
> >>
> >
>
>

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