[NTG-context] Re: Fwd: Re: how to apply gradient color to a piece of text?

[Hans Hagen <j.hagen@xs4all.nl>]

On 4/10/2024 5:22 AM, seyal zavira wrote:
> seams this code means to put a hidden text with same size behind 
> metapost shape.
> but it does not work properly for me (current version: 2024.04.01 08:59) 
> and produce empty page but with searchable hidden text.

as mentioned kind = "outline" will be in the next upload so with the 
current one you need to use the also posted here for ... endfor variant

> also when i edit the code and replace metapost part like this:
> 
> \startMPcode
>       draw lmt_outline [
>           kind = "outline",
>           text = "\getbuffer[MyText]",
>        ]
>           withcolor red
>        ;
> \stopMPcode
> 
> it produces a selectable hidden text on top of body and red text that 
> drawn by metapost below of that.
> 
> How can this problem be solved?
> 
> i attached the codes and pdf results.
> 
> On Mon, Apr 8, 2024 at 4:37 AM Hans Hagen <j.hagen@xs4all.nl 
> <mailto:j.hagen@xs4all.nl>> wrote:
> 
>     On 4/8/2024 8:22 AM, seyal zavira wrote:
>      > thank you Harban and Keith McKay.
>      >
>      >     \startMPpage
>      >            picture tt ; tt := lmt_outline [
>      >                kind = "path",
>      >                text =
>     "\definedfont[name:texgyrepagellabold*default]foo
>      >     f o o",
>      >            ] ;
>      >
>      >            fill
>      >               for i within tt : pathpart i && endfor cycle
>      >               withshademethod "linear"
>      >               withshadedirection down
>      >               withshadecolors (red, blue) ;
>      >     \stopMPpage
>      >
>      >     I'll add this:
>      >
>      >     \startMPpage
>      >           draw lmt_outline [
>      >               kind = "outline",
>      >               text =
>     "\definedfont[name:texgyrepagellabold*default]foo f
>      >     o o",
>      >           ]
>      >               withshademethod "linear"
>      >               withshadedirection down
>      >               withshadecolors (red, blue)
>      >           ;
>      >     \stopMPpage
>      >
>      >     so a single path option (no picture)
>      >
>      >     Hans
>      >
>      >
>      > Thank you so much for the sample examples
>      > it would be great to also make text select able in output pdf
>      > the third example currently does not work. did you mean you will add
>      > this feature for next updates?
>     we're talking outlines so that is paths which implies no search but you
>     can do this (Keith and/or Hraban will explain and/or wikify it)
> 
>     \starttext
> 
>     \startbuffer[MyText]
>           \definedfont[name:texgyrepagellabold*default]foo f o o%
>     \stopbuffer
> 
>     \startbuffer[MyText]
>           \framed[align=normal,frame=off]{\input{tufte}}%
>     \stopbuffer
> 
>     \setbox\scratchbox\hbox\bgroup
>           \startMPcode
>                draw lmt_outline [
>                    kind = "outline",
>                    text = "\getbuffer[MyText]",
>                ]
>                    withshademethod "linear"
>                    withshadedirection down
>                    withshadecolors (red, blue)
>                ;
>           \stopMPcode
>     \egroup
> 
>     \startoverlay
> 
>     {\scale[height=\htdp\scratchbox,width=\wd\scratchbox]{\effect[hidden]{\getbuffer[MyText]}}}
>           {\box\scratchbox}
>     \stopoverlay
> 
>     \stoptext
> 
> 
> 
> 
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                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
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