[PATCH] export correct alpha information to xlsx

[Radek Doulik]

Hi Markus,

could you please send me the document you use to test you patch so that
I can look at it? I have checked tools/color.hxx and the transparency is
indeed 255 for full transparency, so if the method you fixed outputs
alpha then your patch looks correct.

Cheers
Radek

On Sun, 2012-05-13 at 13:44 +0200, Markus Mohrhard wrote:
> Hey,
> 
> while investigating some problems around color scale export to xlsx I
> came across a difference between an original excel document and our
> exported version of the document. It seems that we are always missing
> to export the right alpha information or I'm just not understanding
> the file correctly. It seems that excel opens both versions correctly
> but that makes it even more mysterious for me.
> 
> Does anyone have an idea if this patch is correct? At least the color
> information looks the same between both versions.
> 
> Regards,
> Markus
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