Seems to be related to this bug:
https://bugs.adobe.com/jira/browse/SDK-25492

I have tried to use clip masking instead of alpha masking, mouse behavior is
correct, but there are problems with the masking in the stroke region!

Haykel Ben Jemia

Allmas
Web & RIA Development
http://www.allmas-tn.com




On Thu, Apr 29, 2010 at 7:16 PM, Haykel BEN JEMIA <hayke...@gmail.com>wrote:

> Same result. Actually the mask is correct, because if I add a Rect to fill
> the component, it is being masked correctly and only the portion under the
> Path is displayed. The only thing that's not working is the mouse
> interaction when the component is not at position (0,0).
>
> To summarize again:
> * At position (0,0), everything works correctly.
> * At any other position, display masking is correct but mouse behaves
> incorrectly.
>
> This sounds like a bug, any thoughts?
>
>
> Haykel Ben Jemia
>
> Allmas
> Web & RIA Development
> http://www.allmas-tn.com
>
>
>
>
> On Thu, Apr 29, 2010 at 6:07 PM, Alex Harui <aha...@adobe.com> wrote:
>
>>
>>
>> I don’ t think we support setting mask from MXML.  You may need to
>> addChild and size it.
>>
>>
>> On 4/29/10 1:40 AM, "Haykel BEN JEMIA" <hayke...@gmail.com> wrote:
>>
>>
>>
>>
>>
>>
>> Hi,
>>
>> I'm trying to create some sort of sprite using the Flex 4 'Path' graphic
>> element. The idea is to create the Path element that defines the visual look
>> of the sprite, then another one with the same properties in a Group but
>> using a black color with alpha set to 1. Then use this group as the mask for
>> the sprite and set the mask type to 'alpha'. This also works but only when
>> the sprite has the position (0, 0). When it is moved, it is displayed
>> correctly but mouse interaction is broken.
>>
>> Please find an example here:
>> http://www.allmas-tn.com/files/tests/fxgtests/FXGTests.html
>>
>> The application has 'view source' enabled.
>>
>> Any idea why even though the mask is correct (because the geometry is
>> displayed and not masked out), mouse interaction is broken when the object
>> is moved?
>>
>> Thanks,
>>
>> Haykel Ben Jemia
>>
>> Allmas
>> Web & RIA Development
>> http://www.allmas-tn.com
>>
>>
>>
>>
>>
>>
>>
>> --
>> Alex Harui
>> Flex SDK Team
>> Adobe System, Inc.
>> http://blogs.adobe.com/aharui
>>  
>>
>
>

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