[NTG-context] MKIV strange results in Adobe Reader

Hans Hagen pragma at wxs.nl
Thu Sep 8 11:31:58 CEST 2011

On 8-9-2011 11:19, Otso Helenius wrote:
> Hello,
> I recently made a SimpleSlides presentation with MKIV (2011.08.27
> 13:24). It looks ok on numerous PDF readers including Okular, Google
> Docs, Sumatra PDF. Whenever I open it on Adobe Reader, the results are
> rather puzzling:
> 1) The fifth page background is not black but grey, also some later
> pages have grey background
> 2) The RGB and CMYK swatch colours are all messed up
> The picture on page four has been intentionally corrupted with a hex
> editor and then opened and saved again in Gimp to remove the errors in
> the file.
> You can view the source here: https://pi-xi.net/share/colorlecture.tex
> and the finished PDF here: https://pi-xi.net/share/colorlecture.pdf
> The only modifications I've made to the simpleslides-s-BottomSquares.tex
> is replacing the background color, contrast color and variant color with
> different values ([s=.0], [r=.8,g=.2,b=.2], [s=.15]).
> I would appreciate if someone could explain if there are bugs in my tex
> sources, in MKIV or in the Adobe Reader – and in any case how can I fix
> the erroneous output on Adobe Reader to match it on Sumatra, Google
> Docs, etc.

Do you use transparencies? On pages where they are used, a different 
color rendered seems to kick in (in acrobat).


                                           Hans Hagen | PRAGMA ADE
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