\setupoutput[pdftex] \starttext \setupcolors[state=start]
\startuseMPgraphic{tBG}
path p ;
p := unitsquare xscaled \overlaywidth yscaled \overlayheight ;
fill p withcolor \MPcolor{white}; % With normal colors, everything is fine (blue is really RGB(0,0,1)
% fill p withcolor transparent("normal",.5,\MPcolor{white}); % This however results in fading of ALL of the colors...
\stopuseMPgraphic
\defineoverlay[textBG][\useMPgraphic{tBG}]
\setupbackgrounds[page][background=color,backgroundcolor=blue] \setupbackgrounds[text][background=textBG]
\input tufte \stoptext
Looks like an acrobat bug to me; if you use gsview, it works ok; there are more problems with acrobat and transparencies, like
- no smoothing when a vector graphic is on top of a transparency - disappearing characters (esp very big ones) - funny flattener preview colors
One of the reasons for such problems is that there is no 'reset graphics state' operator and i guess that occasionally the acrobat graphic state stack gets messed up.
Hans
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Hans Hagen | PRAGMA ADE | [EMAIL PROTECTED]
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: +31 (0)38 477 53 69 | fax: +31 (0)38 477 53 74 | www.pragma-ade.com
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