Already implemented. :-) I "borrowed" the code from Batik. See the 
parameter in the config file (documented in the Javadocs of BatchDiffer)
which allows to switch the generation of diff images on and off.

On 02.09.2005 10:01:25 Luca Furini wrote:
> Jeremias Maerki wrote:
> > For those who don't want to run BatchDiffer themselves, I've uploaded a
> > ZIP full of PNGs, one per layout engine test case combined from output
> > from the PDF, PS and Java2D renderers.
> Just an idea ... what about an option to have the output from two 
> renderers and the XOR between the two? It could help noticing small 
> differences, in the order of a few points, that could otherwise pass 
> unnoticed.
> Regards
>      Luca

Jeremias Maerki

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