Re: BUG report [Was: computing the size of a tikz to png image during export]

[Fabrice Popineau <fabrice.popineau@supelec.fr>]

[-- Attachment #1.1: Type: text/plain, Size: 824 bytes --]

2018-01-29 0:24 GMT+01:00 Nicolas Goaziou <mail@nicolasgoaziou.fr>:

> Hello,
>
> Fabrice Popineau <fabrice.popineau@supelec.fr> writes:
>
> > Well, I think there is a problem with the current master
> > since commit 38be85124551083d269.
> >
> > The problem is that the by-backend trick which were tolerated before
> > does not work anymore.
> >
> > Tested between Org 9.1.6 as in current emacs-26.0.91 release versus
> current
> > Org master.
> >
> > More over, ignoring the no-eval parameter
> > in org-babel-parse-header-arguments
> > restores the previous behavior.
>
> Would you have an ECM? I don't know what is "the by-backend trick".
>
>
Example attached.
Actually, I wonder if you can avoid to evaluate arguments in
org-babel-parse-header-arguments
and continue to support the use of by-backend.

Regards,

Fabrice

[-- Attachment #1.2: Type: text/html, Size: 1435 bytes --]

[-- Attachment #2: test.org --]
[-- Type: application/octet-stream, Size: 2240 bytes --]

#+TITLE: Test
#+AUTHOR: Blah
#+LATEX_CLASS: article
#+LATEX_CLASS_OPTIONS: [american]
#
# Setup tikz package for both LaTeX and HTML export:
#
#+LATEX_HEADER: \usepackage{tikz}
#+PROPERTY: header-args:latex+ :packages '(("" "tikz"))
#+PROPERTY: header-args:latex+ :imagemagick yes :fit yes

* One Diamond

#+name: diamond
#+header: :iminoptions -density 600 -resample 100x100
#+header: :file (by-backend (latex "diamond.tikz") (t "diamond.png"))
#+begin_src latex :results raw graphics
  \begin{tikzpicture}
    \draw (1,0) -- (0,1) -- (-1,0) -- (0,-1) -- cycle;
  \end{tikzpicture}
#+end_src

#+name: CR2017-2018-fig1
#+header: :file (by-backend (html "CR2017-2018-fig1.svg") (t nil))
#+header: :imagemagick  (by-backend (latex nil) (t "yes")) :fit yes
#+header: :results (by-backend (html "file") (pdf "latex") (t "raw"))
#+header: :headers \usetikzlibrary{arrows,automata,quotes,graphs,shapes,intersections,mindmap,trees,shadows,fit,positioning,calc,matrix,decorations,chains,external}
#+header: :packages '(("" "tkz-graph"))
#+begin_src latex
  \begin{tikzpicture}
    [node distance=1cm,on grid,auto,%scale=0.7,%
    state/.style={draw,thick,circle,inner sep=3pt,minimum size=9mm,%scale=0.8,transform shape
    }]
    \foreach \l/\x/\y in {a/3/6, b/0/4, c/6/4, d/3/3, e/0/2, f/6/2, g/3/0}
    \node[state] (q\l) at(\x , \y) {\l};
    % \node[state,accepting ] (q4)[below=of q3] {4};
    \foreach \u/\v/\w in {a/b/11, a/c/12, a/e/10, b/c/0, b/d/4, b/e/3, c/f/8, d/f/7, d/g/2, d/e/9, e/f/5, e/g/6, f/g/1}
    \path [-, thick] (q\u) edge node {\w} (q\v);
    ;
    % (q4) edge [loop below] node {a} (q4) (q4) edge node[right]
    % {b} (q3);
    %\path[use as bounding box%, draw%
    %] (-3,-1) rectangle (10,14);
  \end{tikzpicture}
#+end_src


#+name: fig:diamond
#+caption: A diamond.
#+attr_latex: :float t :width ""
#+results: diamond

Figure [[fig:diamond]] is a diamond.

* Setup                                                            :noexport:
#+name: setup
#+begin_src emacs-lisp :exports none :results silent
  (defmacro by-backend (&rest body)
    `(cl-case org-export-current-backend ,@body))
#+end_src

# Local variables:
# eval: (org-sbe "setup")
# End: