[NTG-context] About graphictext macro (Metafun)

Fabrice Couvreur fabrice1.couvreur at gmail.com
Thu Aug 27 10:23:02 CEST 2015


Hi Hans,

Do you have pstoedit installed ?


root at debian:/home/fab# apt-cache search pstoedit
libpstoedit0c2a - PostScript to editable vector graphics library (runtime
files)
root at debian:/home/fab#

I compile the file test.tex  with  context test.tex
Fabrice

2015-08-27 9:39 GMT+02:00 Hans Hagen <pragma at wxs.nl>:

> On 8/26/2015 7:12 PM, Fabrice Couvreur wrote:
>
>> Hi,
>> I try to understand how this macro by testing a simple example. Why pdf
>> file is empty?
>> This question follows my question Cover page (Metafun)
>> http://www.ntg.nl/pipermail/ntg-context/2015/083078.html
>> Thank you.
>>
>> \setuppagenumbering[location=]
>>
>> \setupcolors
>>    [state=start]
>>
>> \setMPtext{text}{MATHEMATIQUES}
>>
>>
>> \starttext
>> \startuseMPgraphic{test}
>> picture pic ;
>> pic := image(graphictext \MPstring{text}
>> withdrawcolor red
>> withpen pencircle scaled 1pt ; ) ;
>> addto currentpicture also pic ;
>> \stopuseMPgraphic
>> \stoptext
>>
>
> Do you have pstoedit installed?
>
> Anyway, there is a new mechanism that doesn't depend on additional
> programs:
>
> % outlinetext   (text) transformations ;
> % outlinetext.d (text) (draw options) transformations ;
> % outlinetext.f (text) (fill options) transformations ;
> % outlinetext.b (text) (draw options) (fill options) transformations ;
> % outlinetext.r (text) (fill options) (draw options) transformations ;
>
> \starttext
>
> \startMPdefinitions
>     let graphictext = new_graphictext ;
> \stopMPdefinitions
>
> \startMPpage
>
>     draw outlinetext.b
>         ("\framed[align=normal]{\input{tufte}}")
>         (withcolor .5white)
>         (withcolor red withpen pencircle scaled 1/10)
>         xsized 10cm ;
>
> \stopMPpage
>
> \startMPpage
>
>     draw outlinetext.r
>         ("\framed[align=normal]{\input{tufte}}")
>         (withcolor red withpen pencircle scaled 1/10)
>         (withcolor .5white)
>         xsized 10cm ;
>
> \stopMPpage
>
> \startMPpage
>
>     draw outlinetext.d
>         ("\framed[align=normal]{\input{tufte}}")
>         (withcolor .5white)
>         xsized 10cm ;
>
> \stopMPpage
>
> \startMPpage
>
>     picture p ; p := outlinetext.p("PX") ;
>
>     for i within p :
>         draw i withcolor red withpen pencircle scaled 1/10 ;
>     endfor ;
>
> \stopMPpage
>
> \stoptext
>
>
>
> -----------------------------------------------------------------
>                                           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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