emacs-orgmode@gnu.org archives
 help / color / mirror / code / Atom feed
From: Matt Huszagh <huszaghmatt@gmail.com>
To: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>
Subject: Re: [PATCH] babel latex headers and image generation commands
Date: Wed, 02 Sep 2020 10:32:07 -0700	[thread overview]
Message-ID: <87zh685bl4.fsf@gmail.com> (raw)
In-Reply-To: <CA+X8ke6eM+7REUUXiBAxZ-dV_hr9DdABv2ZTZoOjNXf_vHJeQg@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 624 bytes --]

Matt Huszagh <huszaghmatt@gmail.com> writes:

> Ok, I've finally gotten around to taking a crack at this. The patch is
> attached. Basically, it allows a lot more control when converting a
> latex source block into an svg image file.

I've added a few changes to the patch that additionally allow custom the
begin and end document environments. The purpose here is to allow latex
code within the document environment that is ignored by the body
export. For instance, I can set the page color with
{\color{some-color}...} and this doesn't mess up latex exports.

Please comment with any questions/concerns/thoughts.


[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: 0001-ob-latex.el-Make-latex-to-svg-compilation-very-custo.patch --]
[-- Type: text/x-patch, Size: 3827 bytes --]

From 6dbd5ae840f02333f83d40a9c27be06968279563 Mon Sep 17 00:00:00 2001
From: Matt Huszagh <huszaghmatt@gmail.com>
Date: Fri, 28 Aug 2020 22:26:05 -0700
Subject: [PATCH] ob-latex.el: Make latex to svg compilation very customizable

* lisp/ob-latex.el (org-babel-latex-preamble): Add latex preamble
(org-babel-latex-begin-env): Add latex document environment begin
(org-babel-latex-end-env): Add latex document environment end
(org-babel-latex-pdf-svg-process): Add customization for converting a
pdf to svg.
(org-babel-execute:latex): Add specific case for svg generation from
latex block.
 lisp/ob-latex.el | 57 ++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 55 insertions(+), 2 deletions(-)

diff --git a/lisp/ob-latex.el b/lisp/ob-latex.el
index 4b343dd14..359179476 100644
--- a/lisp/ob-latex.el
+++ b/lisp/ob-latex.el
@@ -70,6 +70,45 @@
   :group 'org-babel
   :type 'string)
+(defcustom org-babel-latex-preamble
+  (lambda (_)
+    "\\documentclass[preview]{standalone}
+  "Closure which evaluates at runtime to the latex preamble.  It
+takes 1 argument which is the parameters of the source block."
+  :group 'org-babel
+  :type 'function)
+(defcustom org-babel-latex-begin-env
+  (lambda (_)
+    "\\begin{document}")
+  "Closure which evaluates at runtime to the begin part of the
+document environment.  It takes 1 argument which is the
+parameters of the source block.  This allows adding additional
+code that will be ignored when exporting the literal latex
+  :group 'org-babel
+  :type 'function)
+(defcustom org-babel-latex-end-env
+  (lambda (_)
+    "\\end{document}")
+  "Closure which evaluates at runtime to the end part of the
+document environment.  It takes 1 argument which is the
+parameters of the source block.  This allows adding additional
+code that will be ignored when exporting the literal latex
+  :group 'org-babel
+  :type 'function)
+(defcustom org-babel-latex-pdf-svg-process
+  "inkscape --pdf-poppler %f -T -l -o %O"
+  "Command used to convert a PDF file to an SVG file when
+executing a latex source block."
+  :group 'org-babel
+  :type 'string)
 (defcustom org-babel-latex-htlatex-packages
   '("[usenames]{color}" "{tikz}" "{color}" "{listings}" "{amsmath}")
   "Packages to use for htlatex export."
@@ -114,12 +153,26 @@ This function is called by `org-babel-execute-src-block'."
 			 (mapconcat #'identity headers "\n"))))
             body out-file org-format-latex-options in-buffer)))
+	 ((string= "svg" extension)
+	  (with-temp-file tex-file
+		 (insert (concat (funcall org-babel-latex-preamble params)
+			 (mapconcat #'identity headers "\n")
+			 (funcall org-babel-latex-begin-env)
+			 body
+			 (funcall org-babel-latex-end-env))))
+	  (let ((tmp-pdf (org-babel-latex-tex-to-pdf tex-file)))
+                  (let* ((log-buf (get-buffer-create "*Org Babel LaTeX Output*"))
+                         (err-msg "org babel latex failed")
+                         (img-out (org-compile-file
+	                           tmp-pdf
+                                   (list org-babel-latex-pdf-svg-process)
+                                   extension err-msg log-buf)))
+                    (shell-command (format "mv %s %s" img-out out-file)))))
          ((string-suffix-p ".tikz" out-file)
 	  (when (file-exists-p out-file) (delete-file out-file))
 	  (with-temp-file out-file
 	    (insert body)))
-	 ((and (or (string= "svg" extension)
-		   (string= "html" extension))
+	 ((and (string= "html" extension)
 	       (executable-find org-babel-latex-htlatex))
 	  ;; TODO: this is a very different way of generating the
 	  ;; frame latex document than in the pdf case.  Ideally, both

  reply	other threads:[~2020-09-02 17:32 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-04  7:39 Matt Huszagh
2020-02-04 21:19 ` Matt Huszagh
2020-02-04 23:38   ` Matt Huszagh
2020-02-10  7:21     ` Bastien
     [not found]       ` <87y2lynft3.fsf@gmail.com>
2020-08-29  7:02         ` Matt Huszagh
2020-09-02 17:32           ` Matt Huszagh [this message]
2020-09-02 18:53             ` [PATCH] " Matt Huszagh
2020-09-06  6:18               ` Bastien
2020-09-09 19:43                 ` Matt Huszagh
2020-10-24 12:30                   ` Bastien
2020-10-24 16:39                     ` Matt Huszagh
2020-12-14  8:19                       ` Bastien
2020-09-06  5:59             ` Bastien

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

  List information: https://www.orgmode.org/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87zh685bl4.fsf@gmail.com \
    --to=huszaghmatt@gmail.com \
    --cc=emacs-orgmode@gnu.org \
    --subject='Re: [PATCH] babel latex headers and image generation commands' \


* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Code repositories for project(s) associated with this inbox:


This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).