[NTG-context] SVG text alignment issue
Hans Hagen
j.hagen at xs4all.nl
Wed Jun 29 09:03:03 CEST 2022
On 6/29/2022 4:35 AM, Aditya Mahajan via ntg-context wrote:
> On Mon, 27 Jun 2022, Thangalin via ntg-context wrote:
>
>> In the following example, the line and text should be aligned to the
>> middle when LMTX converts the SVG figure using MP. (Note that you may have
>> to install Roboto, but the font isn't the issue.)
>>
>> % SOF
>> \startbuffer[svg]
>> <svg
>> width="25mm"
>> height="70mm"
>> viewBox="0 0 25 70"
>> xmlns="http://www.w3.org/2000/svg"
>> xmlns:svg="http://www.w3.org/2000/svg">
>> <path
>> d="m 12.500001,63.971412 v -12.4787"
>> id="path2"
>> style="fill:none;fill-opacity:1;stroke:#000000;stroke-opacity:1" />
>> <text
>> x="-48.831322"
>> y="15.60547"
>> id="text4933-8-6"
>> transform="rotate(-90)"
>>
>> style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:12px;font-family:Roboto;-inkscape-font-specification:'Roboto,
>> Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal"><tspan
>> id="tspan159594-1"
>> x="-48.831322"
>> y="15.60547"
>>
>> style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:12px;font-family:Roboto;-inkscape-font-specification:'Roboto,
>> Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal">16p13.3</tspan></text>
>> </svg>
>> \stopbuffer
>>
>> \starttext
>> \placefigure[]{}{\includesvgbuffer[svg][conversion=mp]}
>> \stoptext
>> % EOF
>
> This has nothing to do with SVG. Looking at the definition of \includesvgbuffer, here is a simpler example illustrating the issue:
>
> \starttext
> \startplacefigure[location=here, title={Test}]
> \dontleavehmode\begingroup
> \startMPcode
> draw fullcircle scaled 2cm;
> \stopMPcode\endgroup
> \stopplacefigure
> \stoptext
>
> One way to "fix" the alignment is to wrap everything in an hbox:
>
>
> \placefigure[]{}{\hbox{\includesvgbuffer[svg][conversion=mp]}}
>
> Maybe there is a simple way to modify the definition of includesvgbuffer so that an \hbox is not needed.
Thanks for checking it. Can you test with
\pushoverloadmode \unprotect
\permanent\tolerant\protected\def\includesvgfile[#1]#*[#2]%
{\hbox\bgroup % no \dontleavehmode
\getdummyparameters[\c!offset=\zeropoint,#2]%
\clf_includesvgfile{#1}\dimexpr\dummyparameter\c!offset\relax
\egroup}
\permanent\tolerant\protected\def\includesvgbuffer[#1]#*[#2]%
{\hbox\bgroup % no \dontleavehmode
\getdummyparameters[\c!offset=\zeropoint,#2]%
\clf_includesvgbuffer{#1}\dimexpr\dummyparameter\c!offset\relax
\egroup}
\protect \popoverloadmode
Hans
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