[NTG-context] Loop and graphictext (Metafun)

[Fabrice Couvreur]

How to center the title ?

2015-10-05 20:11 GMT+02:00 Fabrice Couvreur <fabrice1.couvreur at gmail.com>:

> 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
>>        ....
>>
>>
>> -----------------------------------------------------------------
>>                                           Hans Hagen | PRAGMA ADE
>>               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>>     tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
>>                                              | www.pragma-pod.nl
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>>
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