[Octave-bug-tracker] [bug #53737] printing to svg gives error and no plot with gnuplot 5.2

[Rik]

Follow-up Comment #14, bug #53737 (project octave):

It doesn't need to be provided by all terminals.


grep -Prn '\bfsize\b' *
plot/util/private/__gnuplot_print__.m:268:        f = sprintf ('fname "%s"
fsize %d', opts.font, fontsize);
plot/util/private/__gnuplot_print__.m:273:        f = sprintf ("fsize %d",
fontsize);
plot/util/private/__gnuplot_print__.m:324:        f = sprintf ("fsize %d",
opts.fontsize);


And if you look at the code around lines 268 and 273


    case "svg"
      ## FIXME: Why does svg format use round on the fontsize while
      ##        other terminals don't?
      if (! isempty (opts.font) && ! isempty (opts.fontsize))
        fontsize = round (opts.fontsize * 0.75);
        f = sprintf ('fname "%s" fsize %d', opts.font, fontsize);
      elseif (! isempty (opts.font))
        f = sprintf ('fname "%s"', opts.font);
      elseif (! isempty (opts.fontsize))
        fontsize = round (opts.fontsize * 0.75);
        f = sprintf ("fsize %d", fontsize);
      endif


So it may be that replacing fsize with fontscale just for the svg terminal is
the correct thing to do.

The other occurrence is for the Canvas terminal at line 324


    case "canvas"
      if (! isempty (opts.fontsize))
        f = sprintf ("fsize %d", opts.fontsize);
      endif






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