Re: [Gnuplot-info] a patch of pdf.trm

[shuhua <shu...@gm...>]

Here I attached a gnuplot script (
http://old.nabble.com/file/p28495517/test_font.plt test_font.plt ) thats
draws a letter table using a computer modern font from LaTeX and the
generated table in pdf format (
http://old.nabble.com/file/p28495517/test_font.pdf test_font.pdf ). 

Enjory:)



shuhua wrote:
> 
> The pdf terminal, which depends on libpdf, was great to me because I
> regularly produce vector plots in the pdf format to be included in my
> papers generated by pdflatex. 
> 
> However, one thing was frustrating me all the time: I was not able to
> select fonts using the pdf term and I needed to use the latex fonts in my
> plots for consistency with the rest of my papers. The font selection
> method for the pdf term seemed to be radically different to that for, say,
> the png term. 
> 
> After a long time of frustration and found the newly released gnuplot
> 4.4.0 did not advance in this respect, I decided to tackle this problem
> myself. With the help of the documentations of the pdflib (Lite, version
> 7.0.4p4, free), I modified a small part of the file 'pdf.trm' and now the
> modified gnuplot supports font selection like that of the png term. 
> 
> With this patch (attached, 'patch pdf.trm < pdf.trm.patch'), you can
> select a font by an absolute path, for example, 'font
> "/usr/local/share/gnuplot/fonts/Vera.ttf, 12" or set the environmental
> variable PDFFONTPATH, export PDFFONTPATH=/usr/local/share/gnuplot/fonts,
> then use 'font "Vera.ttf, 12"'. But due to the restriction of pdflib Lite,
> Unicode is not supported.  
> 
> Hope this patch http://old.nabble.com/file/p28495448/pdf.trm.patch
> pdf.trm.patch  helpful:)
> 
> 
> The following is the font part of the modified pdf term online help, for
> your convienience:   
>  where  is the name of the default font to use (default Helvetica)
>  and <fontsize> is the font size (in points, default 12). Currently,
>  The general form of  is `[fontname][:encoding][:option]`, in which
>  `fontname` may be the name of a font or font file; `encoding` may be
>  "host", "builtin", empty (equivalent to "host"), or other
>  encodings ("unicode" is not supported due to the restriction of pdflib
>  lite); `option` may be "embedding" and empty (no embedding).
> 
>  OpenType, TrueType and Type1 fonts are supported, but CJK fonts are not
>  supported. Subsetting is not supported, and embedding is always set for
>  custom fonts. There are 14 Latin core fonts directly supported by the
>  pdflib:
>      Courier, Courier-Bold, Courier-Oblique, Courier-BoldOblique,
>      Helvetica, Helvetica-Bold, Helvetica-Oblique, Helvetica-BoldOblique,
>      Times-Roman, Times-Bold, Times-Italic, Times-BoldItalic,
>      Symbol, ZapfDingbats.
>  To support custom fonts, you may define the environment variable
>  PDFFONTPATH for font search or use a full path, for example,
>      font "/usr/local/share/gnuplot/fonts/Vera.ttf, 12",
>  Within `fontname`, the following font file suffixes can be omitted:
>      .ttf .otf .afm .pfm .ttc .tte .pfa .pfb.
> 
> 
>      
> 
> 
> 

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