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Re: hit testing and retained graphics

From: paniz alipour <alipourpaniz@gmail.com>
Date: Thu, 7 Jul 2011 18:27:36 +0430
Message-ID: <CADfq16gUdLZo22R50okGrseXieKVmsvRUk3VWZGHzzQD1VcMWA@mail.gmail.com>
To: Charles Pritchard <chuck@jumis.com>
Cc: Richard Schwerdtfeger <schwer@us.ibm.com>, cyns@exchange.microsoft.com, david.bolter@gmail.com, franko@microsoft.com, Mike@w3.org, public-canvas-api@w3.org, public-html@w3.org, public-html-a11y@w3.org
Hi Charles,

*They can be marked up with form elements or with general html elements
**and WAI-ARIA roles in the shadow dom.*

These can be implemented in IE9?

Also Can I see those widget type are they as web widget ,are they as usual
or no have some incredible design?

Thanks

On Thu, Jul 7, 2011 at 6:21 PM, Charles Pritchard <chuck@jumis.com> wrote:

> **
> Paniz,
>
> Along with my team, I've implemented all of these widget types in Canvas.
> They can be marked up with form elements or with general html elements
> and WAI-ARIA roles in the shadow dom.
>
> There is an issue, however: currently, ATs are not made aware of the
> bounding
> rectangles of such elements until/unless the element is in focus.
>
> Other than that, they work the same as other widgets, and supply the same
> information to the OS.
>
> -Charles
>
>
> On 7/7/2011 6:41 AM, paniz alipour wrote:
>
> Hi Richard,
>
>  I mean for example I have an interaction UI on canvas as like web pages,
>
>  textbox,radiobutton ,checkbox,.... .I want to know these elements that
> are drawn or are images on canvas
>
>  could be incredible,Of course they can but in your opinion how many
> percent it is possible(forexample checkbox with height 70 and width 70)
>
>  Best Regards
>
>  On Thu, Jul 7, 2011 at 6:02 PM, Richard Schwerdtfeger <schwer@us.ibm.com>wrote:
>
>>  Hi Paniz,
>>
>> I am not quite following you. Could you please provide more detail?
>>
>> Thanks,
>>
>> Rich
>>
>>
>> Rich Schwerdtfeger
>> CTO Accessibility Software Group
>>
>>  [image: Inactive hide details for paniz alipour ---07/07/2011 06:32:18
>> AM---Hello to all, Maybe you think that this question is not rel]paniz
>> alipour ---07/07/2011 06:32:18 AM---Hello to all, Maybe you think that this
>> question is not related to this discussion,
>>
>> From: paniz alipour <alipourpaniz@gmail.com>
>> To: Richard Schwerdtfeger/Austin/IBM@IBMUS
>> Cc: chuck@jumis.com, franko@microsoft.com, Mike@w3.org,
>> david.bolter@gmail.com, cyns@exchange.microsoft.com,
>> public-canvas-api@w3.org, public-html-a11y@w3.org, public-html@w3.org
>> Date: 07/07/2011 06:32 AM
>>
>> Subject: Re: hit testing and retained graphics
>>  ------------------------------
>>
>>
>>
>> Hello to all,
>>
>> Maybe you think that this question is not related to this discussion,
>>
>> But I want to know whether the web widget that are located on canvas,
>>
>> are they incredible .I mean a check box with height 70,weight 70,
>>
>> or no it will design as the common web widget on websites?
>>
>> Thanks
>>
>> On Fri, Jun 17, 2011 at 11:11 PM, Richard Schwerdtfeger <*
>> schwer@us.ibm.com* <schwer@us.ibm.com>> wrote:
>>
>>    Charles, Frank, Mike,
>>
>>    I am back from vacation. How far do we need to go with hit testing?
>>    Right now I am looking at associating a closed draw path with a DOM object
>>    in the canvas subtree. We would then need to address the routing of pointing
>>    device input events to the DOM object. The drawing path can be used to
>>    provide bound information to platform accessibility API.
>>
>>    Do we need to bind any other drawing properties to the canvas object -
>>    similar to the way device context's are handled on graphic subsystems like
>>    Windows?
>>
>>    Mike, I am including you as before I went on vacation you indicated
>>    that a number of developers desired this feature and wanted to be involved.
>>
>>    Rich
>>
>>
>>    Rich Schwerdtfeger
>>    CTO Accessibility Software Group
>>
>>
>>
>>
>>
>> --
>> Paniz Alipour
>>
>
>
>
> --
> Paniz Alipour
>
>
>


-- 
Paniz Alipour

picture
(image/gif attachment: 01-part)

Received on Thursday, 7 July 2011 13:58:06 UTC

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