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Re: [O] [PATCH] Added possibility of overriding PGF inclusion command

From: Nicolas Goaziou
Subject: Re: [O] [PATCH] Added possibility of overriding PGF inclusion command
Date: Sat, 30 Jul 2016 21:57:12 +0200


Stefanos Carlström <address@hidden> writes:

> * ox-latex.el (org-latex--inline-image): The user can now customize the
>   way PGF images are included by changing the (new) variable
>   `org-latex-inline-pgf-command'.
> If the PGF file is stored in a subdirectory and references an external
> image file in the same directory, LaTeX will complain about not finding
> it.  A workaround could be to define a function like this in the
> preamble:
> \newcommand\inputpgf[2]{{
>     \let\pgfimageWithoutPath\pgfimage
>     \renewcommand{\pgfimage}[2][]{\pgfimageWithoutPath[##1]{#1/##2}}
>     \input{#1/#2}
>   }}
> and customizing `org-latex-inline-pgf-command' to hold this function:
> (lambda (path)
>   (let ((dir-name (substring (file-name-directory path) 0 -1))
>         (file-name (file-name-nondirectory path)))
>     (format "\\inputpgf{%s}{%s}" dir-name file-name)))
> This way, LaTeX will be able to find the external images.  The idea came
> from here: http://tex.stackexchange.com/a/282110/9742

Thank you for your patch.

However, you can easily achieve the same using a filter, can't you?

If a function needs to be introduced, it would be better to factor out
the whole "tikz" and "pgf" handling, i.e.,

    (setq image-code (format "\\input{%s}" path))
    (when (org-string-nw-p options)
      (setq image-code
            (format "\\begin{tikzpicture}[%s]\n%s\n\\end{tikzpicture}"
    (when (or (org-string-nw-p width) (org-string-nw-p height))
      (setq image-code (format "\\resizebox{%s}{%s}{%s}"
                               (if (org-string-nw-p width) width "!")
                               (if (org-string-nw-p height) height "!")

and have a variable holding a function to handle this such extensions,
and doing the above as a default.

Anyway, that's just an idea and people more knowledgeable on the subject
may want to chime in.


Nicolas Goaziou

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