RE: Masking fixes

On 2016-12-21 Jan Tosovsky wrote:
> 
> I've just uploaded patch for:
> 
> BATIK-1170 - Workaround for incorrect ColorConvertOp alpha handling
> breaks masking https://issues.apache.org/jira/browse/BATIK-1170
> 
> I created this 'umbrela' issue as I found this is the root cause of
> various symptoms reported in following issues:
> 
> BATIK-1080 - mask Element broken
> BATIK-1105 - Incorrect mask rendering
> BATIK-1131 - Mask cuts inappropriate region
> BATIK-1156 - Batik 1.8 fails to rasterize SVG with mask/url
> BATIK-1158 - <mask> using <filter> not rendered correctly
> BATIK-1164 - Coordinates shift when filter is applied
> 
> Briefly, a specific workaround had to be applied for proper alpha
> processing in old JDKs, however, since JDK8, which fixed the original
problem, 
> on the contrary this workaround produced weird artefacts.

There are recurring issues reported via mailing list or bug tracker, which
can be linked to the same root cause. 

Could anybody review/integrate the proposed patch?

Thanks,

Jan