On Mon, 10 Nov 2014, Wolfgang Schuster wrote:
Am 10.11.2014 um 19:18 schrieb Fabrice Couvreur <fabrice1.couvr...@gmail.com>: Hi, With the book Metafun I created a marker with metapost. How to add a counter ? Best regards, Fabrice \startuseMPgraphic{itemize:fuzzy} numeric u; u:=0.5cm; save p; path p; p := fullcircle xyscaled (u,u) randomized 2pt; pickup pencircle scaled 1pt; fill p withcolor green; draw p withcolor blue; \stopuseMPgraphic \definesymbol[itemize:fuzzy][\useMPgraphic{itemize:fuzzy}] \setupitemize[1][symbol=itemize:fuzzy] \starttext \startitemize \item \input knuth \item \input knuth \stopitemize \stoptextYou can use the visualcounter module, the documentation is included in the package or you download it from the github [1] page. [1] https://github.com/adityam/visualcounter <https://github.com/adityam/visualcounter>
Complete example attached. You can easily make the fill color and draw color to be configurable by a key-value interface.
The counter corresponding to itemgroups is called \v_strc_itemgroups_counter.
Aditya
\usemodule[visualcounter] \unprotect \definevisualcounter [randomcircle] [ mp=visualcounter::randomcircle, rulethickness=1pt, ] \startuseMPgraphic{visualcounter::randomcircle} begingroup; \includeMPgraphic{visualcounter::initialization} if (last_counter > 0) and (current_counter > 0) : newpicture countertext ; countertext := textext("\visualcounterparameter\c!text"); newpicture max_countertext ; max_countertext := textext("\visualcounterparameter{\c!max\c!text}"); newnumeric diameter; diameter := 1.75 * max(bbwidth(max_countertext), bbheight(max_countertext)); newpath randomcircle; randomcircle := fullcircle xyscaled(diameter, diameter) randomized (diameter/20); pickup pencircle scaled \visualcounterparameter\c!rulethickness ; fill randomcircle withcolor green; % Can be made configurable draw randomcircle withcolor blue; % Can be made configurable label (countertext, origin); fi; endgroup; \stopuseMPgraphic \protect \definevisualcounter [fuzzyitem] [randomcircle] [counter=\getvalue{v_strc_itemgroups_counter}] \definesymbol[fuzzy][{\framed[location=depth, frame=off, strut=no]{\usevisualcounter{fuzzyitem}}}] \starttext \startitemize[fuzzy] \startitem \input knuth \stopitem \startitem \input knuth \stopitem \stopitemize \stoptext
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