Re: [Gnuplot-developers] [ gnuplot-Bugs-1194516 ] [postscript] default font override

[Juergen W. <wie...@fr...>]

On Tuesday 03 May 2005 18:13, Ethan Merritt wrote:
> This is an example of a more general bug that I have not yet been
> able squelch in a satisfactory manner.  In enhanced mode, the first
> font output to the device in a plot sometimes gets "stuck" as the
> default font. Usually this is whatever font is used for the plot title.
> But in your example there is no title, so the first font used is for
> the tics.

The title is not the first text output in the postscript file in
this case.

>
> Trivial work-around:
>
>  set title " "      # Single space force invocation of default font
>
> Fix:
>
> I don't know.  I haven't pinned down exactly when/why this occurs.
> There is not *supposed* to be any difference in the PostScript
> enhanced text processing between version 3.7 and 4.0/4.1
> Obviously some difference has crept in.  The bug crops up in other
> terminal drivers also; it's not just PostScript.

I looked into the postscript output file and played with the
switches.  The problem only occurs if "Blacktext" is false.  It
seems the gsave-grestore pair is missing in this case.  And
ENHPS_put_text does not explicitly set the font.  The attached patch
fixes this at least for the postscript terminal.  There might be a
deeper problem behind this, though ...


Juergen