Nobody?
> On 4 Apr 2020, at 22:58, Gerben Wierda <gerben.wie...@rna.nl> wrote:
>
> I have this METAPOST macro:
>
> vardef makeTeXLabel( expr w, h, name) =
> if debugProgram or debugLabels: show "NAME makeTeXLabel:", name, tostring
> 0.8w, tostring 0.8h; fi
> save p; picture p;
> p := textext( "\startframedtext[middle]" &
> "[align=middle,frame=on" &
> ",width=" & tostring 0.8w & "bp" &
> ",height=" & tostring 0.8h & "bp]" &
> name & "\stopframedtext");
> save b; path b; b := boundingbox p;
> save dim; pair dim;
> dim := (urcorner b) - (llcorner b);
> save width, height; numeric width, height;
> width := xpart dim;
> height = ypart dim;
> if debugLabels: show "PLACE:", w, h, width, height; fi
> if (width > 0.8w) or (height > 0.8h):
> if (width > height):
> if debugLabels: show "XSCALING:", (0.8w/width,0.8w/width); fi
> p:= p xyscaled (0.8w/width,0.8w/width);
> else:
> if debugLabels: show "YSCALING:", (0.8h/height,0.8h/height); fi
> p:= p xyscaled (0.8h/height,0.8h/height);
> fi
> fi
> p
> enddef;
>
> It gets called with w=133 and h=53 (I am working in METAPOST native units, so
> bp)
>
> So, the textext() command gets something like 106bp x 42bp, which seems to be
> the case:
>
> metapost log > >> "NAME makeTeXLabel:"
> metapost log > >> "My 'Application' Function"
> metapost log > >> "106.40000000000001"
> cld > tex > w : - : \MPLIBsetNtextX{1}{\startframedtext
> [middle][align=middle,frame=on,width=106.40000000000001bp,height=42.400000000000006bp]My
> 'Application' Function\stopframedtext }
> cld > tex > F : - : \startblankhandling
> cld > tex > w : - : \setblankcategory{6}
> cld > tex > F : - : \flushblankhandling
> cld > tex > F : - : \stopblankhandling
> metapost log > >> "42.400000000000006"
> metapost log > >> "PLACE:"
> metapost log > >> 133
> metapost log > >> 53
> metapost log > >> 511.08659908200002
> metapost log > >> 42.399990514000002
>
> But the bounding box is 511bp wide (something like 7in or 18cm, probably
> textwidth) but I’m asking for a box that is 106bp wide.
>
> What happens here? And how do I get it right?
>
> G
>
>
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