Some time ago, Mojca Miklavec <[EMAIL PROTECTED]> wrote:
> Uau! Thanks a lot for a very nice hint. So you can make something like that:
>
--------------------------------------------------
\setupcolors[state=start]
\starttext
\setupMPvariables[CircleSomething][dimension={(100,100)},center={(50,50)},r=10]
\startuseMPgraphic{CircleSomething}
pair dimension, center;
% TODO: this also has to be passed as parameter!!!
% now it stands for: width=10cm
scale := 10cm/(xpart \MPvar{dimension});
picture bboxpicture;
dimension := \MPvar{dimension} scaled scale;
center := \MPvar{center} scaled scale;
r := \MPvar{r}*scale;
pickup pencircle scaled 2pt;
% proper bounding box
fill unitsquare xyscaled dimension;
bboxpicture := currentpicture;
currentpicture := nullpicture;
draw fullcircle scaled (2*r) shifted center withcolor red;
setbounds currentpicture to boundingbox bboxpicture;
\stopuseMPgraphic
\defineoverlay[CircleBlueTulip][\uniqueMPgraphic{CircleSomething}{dimension={(400,460)},center={(222,460-330)},r=25}]
\defineoverlay[CircleRedTulip][\useMPgraphic{CircleSomething}{dimension={(400,460)},center={(148,460-330)},r=25}]
\framed[background={foreground,CircleBlueTulip},offset=0pt,strut=no]{\externalfigure[Kochloewe_c][width=10cm]}
\framed[background={foreground,CircleRedTulip},offset=0pt,strut=no]{\externalfigure[Kochloewe_c][width=10cm]}
\stoptext
--------------------------------------------------
So, do you get any real output (besides the image)? I cannot see any
circles in the pdf.
ConTeXt ver: 2005.06.07 fmt: 2005.6.7 int: english mes: english
Patrick
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