[Octave-patch-tracker] [patch #8696] Use unicode utf-8 rather than Symbol font for gnuplot when possible

[Dan Sebald]

Follow-up Comment #1, patch #8696 (project octave):

Attached is a patch that will use UTF-8 encoding of symbols in all gnuplot
terminal cases except the PostScript class of terminals, 'postscript' and
'epscairo'.  This appears to work well on my system.  There may be some
terminals like 'png' that don't function exactly right, and if that is the
case I'll investigate the issue in the gnuplot code.

Here's a reference to the TeX utf-8 glyphs:

http://www.w3.org/2001/06/utf-8-test/TeX.html

I was tempted to write a little script that creates the sym structure
automatically so that all of the entries on that page are accounted for, but I
just added the utf-8 characters that were present along side the 'Symbol'
definitions in a cell.

Here's a test sequence:


setenv('GNUTERM', 'qt')
graphics_toolkit gnuplot
h = text (0.5,0.6, 'H   Gamma aleph I')
set(h,'fontweight', 'bold')



(file #34373)
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File name: octave-gnuplot_unicode_text-djs2015jul03.patch Size:20 KB


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