[NTG-context] Loop and graphictext (Metafun)

Fabrice Couvreur fabrice1.couvreur at gmail.com
Mon Oct 5 20:11:18 CEST 2015


Hi Hans,
In fact, as the loop does not work, I have not added to the code.
It's true that your solution is simple !
Thank you,
Fabrice

2015-10-05 19:48 GMT+02:00 Hans Hagen <pragma at wxs.nl>:

> On 10/5/2015 6:28 PM, Fabrice Couvreur wrote:
>
>> Hi,
>> I tried to write a loop to display the title, but it does not. How to do ?
>> Thank you,
>> Fabrice
>>
>> \setuppagenumbering[location=]
>>
>> \setupcolors
>>    [state=start]
>>
>> \definecolor[pagecolor][s=.6]
>> \definecolor[textcolor][r=.6]
>>
>>
>> \startMPinclusions
>>    color pagecolor ; pagecolor := \MPcolor{pagecolor} ;
>>    color textcolor ; textcolor := \MPcolor{textcolor} ;
>> \stopMPinclusions
>>
>> \setMPtext{title}{Serie statistiques à deux variables}
>>
>> \startuseMPgraphic{Title}
>>
>>    path p ; p := OverlayBox  ;
>>    fill OverlayBox withcolor pagecolor ;
>>    setbounds currentpicture to OverlayBox ;
>>
>> \stopuseMPgraphic
>>
>> \defineoverlay[Title][\useMPgraphic{Title}]
>>
>> \defineframedtext
>>    [MyTitle]
>>    [before={\blank[line,halfline]},
>>     after={\blank},
>>     frame=off,
>>     background=Title,
>>     width=\textwidth,
>>     height=fit,
>>     ]
>>
>> \starttext
>>
>> \startMyTitle
>>
>> \startMPcode
>>
>> numeric k ; k :=0 ;
>> string s ; s := \MPstring{title} ;
>> picture r ;
>> r := image (graphictext
>>          substring (k,k+1) of s
>>          randomized .5pt
>>          scaled 5pt
>>          withfillcolor textcolor
>>          withpen pencircle scaled 1pt ; ) ;
>>    draw r ;
>>
>> \stopMPcode
>>
>> \stopMyTitle
>>
>> \stoptext
>>
>
> i see no loop, why not just
>
> r := image (graphictext
>         s
>        ....
>
>
> -----------------------------------------------------------------
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