objects/region.c: REGION_FrameRgn

[Filip Navara]

Alexandre Julliard wrote:

>Filip Navara <xnavara at volny.cz> writes:
>
>>Indeed Dimtry was right about the cause of the balloon tooltips
>>drawing issue. Here is the code for FrameRgn ported from ReactOS that
>>actaully does the right thing.
>>    
>>
>I don't think you should modify the source region at all, even
>temporarily; it could be in use somewhere else.
>
Well, I lived under the assumption that object locking works like in 
Windows (it's possible to lock object how many times you want from on 
thread, but only lock it from one thread at one time).

Anyway, here is the fixed version that uses temporary region for storing 
the changes and also produces more correct results.

Regards,
Filip

Changelog:
    Filip Navara <xnavara at volny.cz>
    New implementation of REGION_FrameRgn that returns the inner region
    instead of the outer one. Based on a work of Thomas Weidenmueller.


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