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Re: [O] [PATCH] New feature: Use dvisvgm to preview latex formular
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From: |
Feng Shu |
|
Subject: |
Re: [O] [PATCH] New feature: Use dvisvgm to preview latex formular |
|
Date: |
Sun, 15 May 2016 10:27:00 +0800 |
|
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.92 (gnu/linux) |
"Feng Shu" <address@hidden> writes:
I will refactor the latex previewing code, this patch should be delay
reviewd.
> "Feng Shu" <address@hidden> writes:
>
> This is version 2, make diff more easy read.
>
> From 66804cf5642256a38beb0b84ad8194562f34bfce Mon Sep 17 00:00:00 2001
> From: Feng Shu <address@hidden>
> Date: Sat, 14 May 2016 22:42:53 +0800
> Subject: [PATCH] New feature: Use dvisvgm to preview latex formular
>
> Tester should set like below:
>
> (setq org-latex-create-formula-image-program 'dvisvgm)
> (setq org-latex-pdf-process
> '(:fetcher my-org-latex-pdf-process-format))
> (defun my-org-latex-pdf-process-format (&optional texfile snippet
> caller-info)
> (cond
> (snippet '("latex -interaction nonstopmode -output-directory %o %f"))
> (t '("%latex -interaction nonstopmode -output-directory %o %f"
> "%latex -interaction nonstopmode -output-directory %o %f"
> "%latex -interaction nonstopmode -output-directory %o %f"))))
>
> * ox-latex.el (org-latex-pdf-process): Add a new config method, :fetcher.
> (org-latex-compile): Add a new optional argument: caller-info,
> which used to record the caller's info
>
> * ox-html.el (org-html-with-latex): Add dvisvgm support.
> (org-html-with-latex): Add dvisvgm support.
> (org-html-format-latex): "ltxpng" -> "ltximg".
> (org-html-latex-environment): Add dvisvgm support.
> (org-html-latex-fragment): Add dvisvgm support.
>
> * org.el (org-latex-create-formula-image-program): Add dvisvgm.
> (org-latex-preview-ltximg-directory): Rename from
> `org-latex-preview-ltximg-directory'.
> (org--format-latex-make-overlay): Add optional image-type, which used to deal
> with svg.
> (org-toggle-latex-fragment): "org-ltxpng" -> "org-ltximg".
> (org-format-latex): Add dvisvgm support.
> (org-create-formula-image): Add dvisvgm case.
> (org-create-formula-image-with-dvisvgm): New function, deal with latex
> formula with dvisvgm command.
>
> * org.texi (@LaTeX{} fragments): Add dvisvgm information.
> (Previewing @LaTeX{} fragments): Add dvisvgm information.
> (Math formatting in HTML export): Add dvisvgm information.
> (Working with @LaTeX{} math snippets): Add dvisvgm information.
> ---
> doc/org.texi | 39 +++++++++-----
> lisp/org.el | 101 ++++++++++++++++++++++++++++------
> lisp/ox-html.el | 19 ++++---
> lisp/ox-latex.el | 161
> +++++++++++++++++++++++++++++++++++--------------------
> 4 files changed, 225 insertions(+), 95 deletions(-)
>
> diff --git a/doc/org.texi b/doc/org.texi
> index 17b01c2..286fabb 100644
> --- a/doc/org.texi
> +++ b/doc/org.texi
> @@ -10393,10 +10393,10 @@ snippets will be identified as @LaTeX{} source code:
> @item
> Environments of any address@hidden MathJax is used, only the
> environments recognized by MathJax will be processed. When
> address@hidden program or @file{imagemagick} suite is used to create images,
> -any @LaTeX{} environment will be handled.}. The only requirement is that the
> address@hidden statement appears on a new line, at the beginning of the line
> -or after whitespaces only.
> address@hidden program, @file{dvisvgm} program or @file{imagemagick} suite is
> +used to create images, any @LaTeX{} environment will be handled.}. The only
> +requirement is that the @code{\begin} statement appears on a new line, at the
> +beginning of the line or after whitespaces only.
> @item
> Text within the usual @LaTeX{} math delimiters. To avoid conflicts with
> currency specifications, single @samp{$} characters are only recognized as
> @@ -10444,10 +10444,10 @@ lines:
> @cindex @LaTeX{} fragments, preview
>
> @vindex org-latex-create-formula-image-program
> -If you have a working @LaTeX{} installation and either @file{dvipng} or
> address@hidden address@hidden are respectively available at
> address@hidden://sourceforge.net/projects/dvipng/} and from the
> @file{imagemagick}
> -suite. Choose the converter by setting the variable
> +If you have a working @LaTeX{} installation and @file{dvipng}, @file{dvisvgm}
> +or @file{convert} address@hidden are respectively available at
> address@hidden://sourceforge.net/projects/dvipng/},
> @url{http://dvisvgm.bplaced.net/}
> +and from the @file{imagemagick} suite. Choose the converter by setting the
> variable
> @code{org-latex-create-formula-image-program} accordingly.}, @LaTeX{}
> fragments can be processed to produce images of the typeset expressions to be
> used for inclusion while exporting to HTML (see @address@hidden fragments}),
> @@ -11713,6 +11713,7 @@ You could use @code{http} addresses just as well.
> @subsection Math formatting in HTML export
> @cindex MathJax
> @cindex dvipng
> address@hidden dvisvgm
> @cindex imagemagick
>
> @LaTeX{} math snippets (@address@hidden fragments}) can be displayed in two
> @@ -11737,13 +11738,18 @@ template can be configure via
> @code{org-html-mathjax-template}.
> If you prefer, you can also request that @LaTeX{} fragments are processed
> into small images that will be inserted into the browser page. Before the
> availability of MathJax, this was the default method for Org files. This
> -method requires that the @file{dvipng} program or @file{imagemagick} suite is
> -available on your system. You can still get this processing with
> +method requires that the @file{dvipng} program, @file{dvisvgm} or
> address@hidden suite is available on your system. You can still get
> +this processing with
>
> @example
> #+OPTIONS: tex:dvipng
> @end example
>
> address@hidden
> +#+OPTIONS: tex:dvisvgm
> address@hidden example
> +
> or:
>
> @example
> @@ -12908,6 +12914,7 @@ and open the formula file with the system-registered
> application.
> @end table
>
> @cindex dvipng
> address@hidden dvisvgm
> @cindex imagemagick
> @item PNG images
>
> @@ -12917,16 +12924,20 @@ This option is activated on a per-file basis with
> #+OPTIONS: tex:dvipng
> @end example
>
> address@hidden
> +#+OPTIONS: tex:dvisvgm
> address@hidden example
> +
> or:
>
> @example
> #+OPTIONS: tex:imagemagick
> @end example
>
> -With this option, @LaTeX{} fragments are processed into PNG images and the
> -resulting images are embedded in the exported document. This method requires
> -that the @file{dvipng} program or @file{imagemagick} suite be available on
> -your system.
> +With this option, @LaTeX{} fragments are processed into PNG or SVG images and
> +the resulting images are embedded in the exported document. This method
> requires
> +that the @file{dvipng} program, @file{dvisvgm} or @file{imagemagick} suite be
> +available on your system.
> @end enumerate
>
> @node Working with MathML or OpenDocument formula files
> diff --git a/lisp/org.el b/lisp/org.el
> index f45d5d0..d86042c 100644
> --- a/lisp/org.el
> +++ b/lisp/org.el
> @@ -3985,15 +3985,22 @@ When using LaTeXML set this option to
> dvipng Process the LaTeX fragments to dvi file, then convert
> dvi files to png files using dvipng.
> This will also include processing of non-math environments.
> +dvisvgm Process the LaTeX fragments to dvi/xdv file, then convert
> + dvi/xdv files to svg files using dvipng.
> + This will also include processing of non-math environments.
> imagemagick Convert the LaTeX fragments to pdf files and use imagemagick
> to convert pdf files to png files"
> :group 'org-latex
> :version "24.1"
> :type '(choice
> (const :tag "dvipng" dvipng)
> + (const :tag "dvisvgm" dvisvgm)
> (const :tag "imagemagick" imagemagick)))
>
> -(defcustom org-latex-preview-ltxpng-directory "ltxpng/"
> +(defalias 'org-latex-preview-ltxpng-directory
> 'org-latex-preview-ltximg-directory)
> +(make-obsolete 'org-latex-preview-ltxpng-directory
> 'org-latex-preview-ltximg-directory
> + "Org mode version 9.0")
> +(defcustom org-latex-preview-ltximg-directory "ltximg/"
> "Path to store latex preview images.
> A relative path here creates many directories relative to the
> processed org files paths. An absolute path puts all preview
> @@ -18996,9 +19003,10 @@ looks only before point, not after."
> (org-in-regexp
> "\\\\[a-zA-Z]+\\*?\\(\\(\\[[^][\n{}]*\\]\\)\\|\\({[^{}\n]*}\\)\\)*")))
>
> -(defun org--format-latex-make-overlay (beg end image)
> +(defun org--format-latex-make-overlay (beg end image &optional imagetype)
> "Build an overlay between BEG and END using IMAGE file."
> - (let ((ov (make-overlay beg end)))
> + (let ((ov (make-overlay beg end))
> + (imagetype (or imagetype 'png)))
> (overlay-put ov 'org-overlay-type 'org-latex-overlay)
> (overlay-put ov 'evaporate t)
> (overlay-put ov
> @@ -19008,10 +19016,10 @@ looks only before point, not after."
> (if (featurep 'xemacs)
> (progn
> (overlay-put ov 'invisible t)
> - (overlay-put ov 'end-glyph (make-glyph (vector 'png :file image))))
> + (overlay-put ov 'end-glyph (make-glyph (vector imagetype :file
> image))))
> (overlay-put ov
> 'display
> - (list 'image :type 'png :file image :ascent 'center)))))
> + (list 'image :type imagetype :file image :ascent 'center)))))
>
> (defun org--list-latex-overlays (&optional beg end)
> "List all Org LaTeX overlays in current buffer.
> @@ -19092,7 +19100,7 @@ for all fragments in the buffer."
> (narrow-to-region beg end))))))
> (let ((file (buffer-file-name (buffer-base-buffer))))
> (org-format-latex
> - (concat org-latex-preview-ltxpng-directory "org-ltxpng")
> + (concat org-latex-preview-ltximg-directory "org-ltximg")
> ;; Emacs cannot overlay images from remote hosts.
> ;; Create it in `temporary-file-directory' instead.
> (if (or (not file) (file-remote-p file))
> @@ -19123,7 +19131,7 @@ Some of the options can be changed using the variable
> checkdir-flag)
> (goto-char (point-min))
> ;; Optimize overlay creation: (info "(elisp) Managing Overlays").
> - (when (and overlays (memq processing-type '(dvipng imagemagick)))
> + (when (and overlays (memq processing-type '(dvipng dvisvgm
> imagemagick)))
> (overlay-recenter (point-max)))
> (while (re-search-forward math-regexp nil t)
> (unless (and overlays
> @@ -19148,7 +19156,7 @@ Some of the options can be changed using the variable
> (if (string= (match-string 0 value) "$$")
> (insert "\\[" (substring value 2 -2) "\\]")
> (insert "\\(" (substring value 1 -1) "\\)"))))
> - ((dvipng imagemagick)
> + ((dvipng dvisvgm imagemagick)
> ;; Process to an image.
> (cl-incf cnt)
> (goto-char beg)
> @@ -19172,9 +19180,10 @@ Some of the options can be changed using the variable
> org-latex-packages-alist
> org-format-latex-options
> forbuffer value fg bg))))
> + (imagetype (if (eq processing-type 'dvisvgm) 'svg
> 'png))
> (absprefix (expand-file-name prefix dir))
> - (linkfile (format "%s_%s.png" prefix hash))
> - (movefile (format "%s_%s.png" absprefix hash))
> + (linkfile (format "%s_%s.%s" prefix hash imagetype))
> + (movefile (format "%s_%s.%s" absprefix hash
> imagetype))
> (sep (and block-type "\n\n"))
> (link (concat sep "[[file:" linkfile "]]" sep))
> (options
> @@ -19196,7 +19205,7 @@ Some of the options can be changed using the variable
> (when (eq (overlay-get o 'org-overlay-type)
> 'org-latex-overlay)
> (delete-overlay o)))
> - (org--format-latex-make-overlay beg end movefile)
> + (org--format-latex-make-overlay beg end movefile
> imagetype)
> (goto-char end))
> (delete-region beg end)
> (insert
> @@ -19315,10 +19324,10 @@ inspection."
>
> (defun org-create-formula-image (string tofile options buffer &optional type)
> "Create an image from LaTeX source using dvipng or convert.
> -This function calls either `org-create-formula-image-with-dvipng'
> -or `org-create-formula-image-with-imagemagick' depending on the
> -value of `org-latex-create-formula-image-program' or on the value
> -of the optional TYPE variable.
> +This function calls `org-create-formula-image-with-dvipng'
> +`org-create-formula-image-with-dvisvgm' or
> `org-create-formula-image-with-imagemagick'
> +depending on the value of `org-latex-create-formula-image-program' or
> +on the value of the optional TYPE variable.
>
> Note: ultimately these two function should be combined as they
> share a good deal of logic."
> @@ -19330,6 +19339,10 @@ share a good deal of logic."
> (org-check-external-command
> "dvipng" "needed to convert LaTeX fragments to images")
> #'org-create-formula-image-with-dvipng)
> + (dvisvgm
> + (org-check-external-command
> + "dvisvgm" "needed to convert LaTeX fragments to images")
> + #'org-create-formula-image-with-dvisvgm)
> (imagemagick
> (org-check-external-command
> "convert" "you need to install imagemagick")
> @@ -19429,6 +19442,64 @@ horizontal and vertical directions."
> (delete-file (concat texfilebase e))))
> pngfile))))
>
> +(defun org-create-formula-image-with-dvisvgm (string tofile options buffer)
> + "This calls dvisvgm."
> + (require 'ox-latex)
> + (let* ((tmpdir (if (featurep 'xemacs)
> + (temp-directory)
> + temporary-file-directory))
> + (texfilebase (make-temp-name
> + (expand-file-name "orgtex" tmpdir)))
> + (texfile (concat texfilebase ".tex"))
> + (dvifile (concat texfilebase ".dvi"))
> + (xdvfile (concat texfilebase ".xdv"))
> + (svgfile (concat texfilebase ".svg"))
> + (scale (number-to-string (or (plist-get options (if buffer :scale
> :html-scale)) 2.0)))
> + (fg (or (plist-get options (if buffer :foreground :html-foreground))
> + "Black"))
> + (bg (or (plist-get options (if buffer :background :html-background))
> + "Transparent")))
> + (if (eq fg 'default) (setq fg (org-latex-color :foreground))
> + (setq fg (org-latex-color-format fg)))
> + (if (eq bg 'default) (setq bg (org-latex-color :background))
> + (setq bg (org-latex-color-format
> + (if (string= bg "Transparent") "white" bg))))
> + (let ((latex-header (org-create-formula--latex-header)))
> + (with-temp-file texfile
> + (insert latex-header)
> + (insert "\n\\begin{document}\n"
> + "\\definecolor{fg}{rgb}{" fg "}\n"
> + "\\definecolor{bg}{rgb}{" bg "}\n"
> + "\n\\pagecolor{bg}\n"
> + "\n{\\color{fg}\n"
> + string
> + "\n}\n"
> + "\n\\end{document}\n")))
> + (org-latex-compile texfile t '(:name dvisvgm :need dvi))
> + (if (not (or (file-exists-p dvifile)
> + (file-exists-p xdvfile)))
> + (progn (message "Failed to create dvi or xdv file from %s" texfile) nil)
> + (ignore-errors
> + (call-process "dvisvgm" nil nil nil
> + (if (file-exists-p dvifile)
> + dvifile
> + xdvfile)
> + "-n"
> + "-b" "min"
> + "-c" scale
> + "-o" svgfile))
> + (if (not (file-exists-p svgfile))
> + (if org-format-latex-signal-error
> + (error "Failed to create svg file from %s" texfile)
> + (message "Failed to create svg file from %s" texfile)
> + nil)
> + ;; Use the requested file name and clean up
> + (copy-file svgfile tofile 'replace)
> + (dolist (e '(".dvi" ".xdv" ".tex" ".aux" ".log" ".svg" ".out"))
> + (when (file-exists-p (concat texfilebase e))
> + (delete-file (concat texfilebase e))))
> + svgfile))))
> +
> (declare-function org-latex-compile "ox-latex" (texfile &optional snippet))
> (defun org-create-formula-image-with-imagemagick (string tofile options
> buffer)
> "This calls convert, which is included into imagemagick."
> diff --git a/lisp/ox-html.el b/lisp/ox-html.el
> index b188c38..2c1fa4a 100644
> --- a/lisp/ox-html.el
> +++ b/lisp/ox-html.el
> @@ -818,7 +818,9 @@ e.g. \"tex:mathjax\". Allowed values are:
>
> nil Ignore math snippets.
> `verbatim' Keep everything in verbatim
> -`dvipng' Process the LaTeX fragments to images. This will also
> +`dvipng' Process the LaTeX fragments to png images. This will also
> + include processing of non-math environments.
> +`dvisvgm' Process the LaTeX fragments to svg images. This will also
> include processing of non-math environments.
> `imagemagick' Convert the LaTeX fragments to pdf files and use
> imagemagick to convert pdf files to png files.
> @@ -830,7 +832,8 @@ t Synonym for `mathjax'."
> :package-version '(Org . "8.0")
> :type '(choice
> (const :tag "Do not process math in any way" nil)
> - (const :tag "Use dvipng to make images" dvipng)
> + (const :tag "Use dvipng to make png images" dvipng)
> + (const :tag "Use dvisvgm to make svg images" dvisvgm)
> (const :tag "Use imagemagick to make images" imagemagick)
> (const :tag "Use MathJax to display math" mathjax)
> (const :tag "Leave math verbatim" verbatim)))
> @@ -2760,9 +2763,9 @@ CONTENTS is nil. INFO is a plist holding contextual
> information."
> (defun org-html-format-latex (latex-frag processing-type info)
> "Format a LaTeX fragment LATEX-FRAG into HTML.
> PROCESSING-TYPE designates the tool used for conversion. It is
> -a symbol among `mathjax', `dvipng', `imagemagick', `verbatim' nil
> -and t. See `org-html-with-latex' for more information. INFO is
> -a plist containing export properties."
> +a symbol among `mathjax', `dvipng', `dvisvgm', `imagemagick',
> +`verbatim' nil and t. See `org-html-with-latex' for more information.
> +INFO is a plist containing export properties."
> (let ((cache-relpath "") (cache-dir ""))
> (unless (eq processing-type 'mathjax)
> (let ((bfn (or (buffer-file-name)
> @@ -2777,7 +2780,7 @@ a plist containing export properties."
> "\n")
> "\n")))))
> (setq cache-relpath
> - (concat "ltxpng/"
> + (concat "ltximg/"
> (file-name-sans-extension
> (file-name-nondirectory bfn)))
> cache-dir (file-name-directory bfn))
> @@ -2801,7 +2804,7 @@ CONTENTS is nil. INFO is a plist holding contextual
> information."
> (case processing-type
> ((t mathjax)
> (org-html-format-latex latex-frag 'mathjax info))
> - ((dvipng imagemagick)
> + ((dvipng dvisvgm imagemagick)
> (let ((formula-link
> (org-html-format-latex latex-frag processing-type info)))
> (when (and formula-link (string-match "file:\\([^]]*\\)" formula-link))
> @@ -2822,7 +2825,7 @@ CONTENTS is nil. INFO is a plist holding contextual
> information."
> (case processing-type
> ((t mathjax)
> (org-html-format-latex latex-frag 'mathjax info))
> - ((dvipng imagemagick)
> + ((dvipng dvisvgm imagemagick)
> (let ((formula-link
> (org-html-format-latex latex-frag processing-type info)))
> (when (and formula-link (string-match "file:\\([^]]*\\)" formula-link))
> diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
> index 7fa68c5..ccbd348 100644
> --- a/lisp/ox-latex.el
> +++ b/lisp/ox-latex.el
> @@ -1143,7 +1143,32 @@ which calls the \"correct\" combinations of auxiliary
> programs.
> Alternatively, this may be a Lisp function that does the
> processing, so you could use this to apply the machinery of
> AUCTeX or the Emacs LaTeX mode. This function should accept the
> -file name as its single argument."
> +file name as its single argument.
> +
> +User can set this variable to a plist, the first element of the
> +plist is :fetcher and the second is a function, for example:
> +
> + (setq org-latex-pdf-process
> + '(:fetcher my-org-latex-pdf-process-format))
> +
> + (defun my-org-late-pdf-process-formt (&optional texfile snippet
> caller-info)
> + (cond
> + (snippet '(\"latex -interaction nonstopmode -output-directory %o %f\"))
> + (t '(\"%latex -interaction nonstopmode -output-directory %o %f\"
> + \"%latex -interaction nonstopmode -output-directory %o %f\"
> + \"%latex -interaction nonstopmode -output-directory %o %f\"))))
> +
> +`org-latex-compile' will call the second function, then use the
> +returned command list.
> +
> +the function has three optional arguments: texfile, snippet and
> +caller-info, when `org-latex-compile' compile a tex snippet for
> +previewing, snippet will set to t and client-info argument will
> +record the infomation of org-latex-compile's caller, for example:
> +
> + (:name dvisvgm :need dvi)
> +
> +This information can be used to select tex command."
> :group 'org-export-pdf
> :type '(choice
> (repeat :tag "Shell command sequence"
> @@ -3515,7 +3540,7 @@ Return PDF file's name."
> async subtreep visible-only body-only ext-plist
> (lambda (file) (org-latex-compile file)))))
>
> -(defun org-latex-compile (texfile &optional snippet)
> +(defun org-latex-compile (texfile &optional snippet caller-info)
> "Compile a TeX file.
>
> TEXFILE is the name of the file being compiled. Processing is
> @@ -3525,6 +3550,16 @@ When optional argument SNIPPET is non-nil, TEXFILE is
> a temporary
> file used to preview a LaTeX snippet. In this case, do not
> create a log buffer and do not bother removing log files.
>
> +By default, `org-latex-compile' will compile `texfile' to a pdf
> +file, but when we compile a tex snippet, the desired output may
> +dvi or xdv file instead of pdf file, snippet-generate-function
> +can tell `org-latex-compile' the infomation with the argument
> +CALLER-INFO, then org-latex-compile can find proper commands
> +with this infomation, this argument is a property list, for
> +example:
> +
> + (:caller dvisvgm :need dvi)
> +
> Return PDF file name or an error if it couldn't be produced."
> (let* ((base-name (file-name-sans-extension (file-name-nondirectory
> texfile)))
> (full-name (file-truename texfile))
> @@ -3544,62 +3579,72 @@ Return PDF file name or an error if it couldn't be
> produced."
> (time (current-time))
> warnings)
> (unless snippet (message "Processing LaTeX file %s..." texfile))
> - (save-window-excursion
> - (cond
> - ;; A function is provided: Apply it.
> - ((functionp org-latex-pdf-process)
> - (funcall org-latex-pdf-process (shell-quote-argument texfile)))
> - ;; A list is provided: Replace %b, %f and %o with appropriate
> - ;; values in each command before applying it. Note that while
> - ;; "%latex" and "%bibtex" is used in `org-latex-pdf-process',
> - ;; they are replaced with "%L" and "%B" to adhere to
> - ;; format-spec. Output is redirected to "*Org PDF LaTeX
> - ;; Output*" buffer.
> - ((consp org-latex-pdf-process)
> - (let ((outbuf (and (not snippet)
> - (get-buffer-create "*Org PDF LaTeX Output*")))
> - (spec (list (cons ?B (shell-quote-argument
> org-latex-bib-compiler))
> - (cons ?L (shell-quote-argument compiler))
> - (cons ?b (shell-quote-argument base-name))
> - (cons ?f (shell-quote-argument full-name))
> - (cons ?o (shell-quote-argument out-dir)))))
> - (dolist (command org-latex-pdf-process)
> - (let ((c (replace-regexp-in-string
> - "%\\(latex\\|bibtex\\)\\>"
> - (lambda (str) (upcase (substring str 0 2)))
> - command)))
> - (shell-command (format-spec c spec) outbuf)))
> - ;; Collect standard errors from output buffer.
> - (setq warnings (and (not snippet)
> - (org-latex--collect-warnings outbuf)))))
> - (t (error "No valid command to process to PDF")))
> - (let ((pdffile (concat out-dir base-name ".pdf")))
> - ;; Check for process failure. Provide collected errors if
> - ;; possible.
> - (if (or (not (file-exists-p pdffile))
> - ;; Only compare times up to whole seconds as some filesystems
> - ;; (e.g. HFS+) do not retain any finer granularity.
> - (time-less-p (cl-subseq (nth 5 (file-attributes pdffile)) 0 2)
> - (cl-subseq time 0 2)))
> - (error (format "PDF file %s wasn't produced" pdffile))
> - ;; Else remove log files, when specified, and signal end of
> - ;; process to user, along with any error encountered.
> - (unless snippet
> - (when org-latex-remove-logfiles
> - (dolist (file (directory-files
> - out-dir t
> - (concat (regexp-quote base-name)
> - "\\(?:\\.[0-9]+\\)?"
> - "\\."
> - (regexp-opt
> org-latex-logfiles-extensions))))
> - (delete-file file)))
> - (message (concat "PDF file produced"
> - (cond
> - ((eq warnings 'error) " with errors.")
> - (warnings (concat " with warnings: " warnings))
> - (t "."))))))
> - ;; Return output file name.
> - pdffile))))
> + (let* ((fetcher-function (plist-get org-latex-pdf-process :fetcher))
> + (latex-pdf-process
> + (if fetcher-function
> + (if (functionp fetcher-function)
> + (funcall fetcher-function
> + (shell-quote-argument texfile) snippet caller-info)
> + (error "`org-latex-pdf-process' set an invalid fetcher
> function."))
> + org-latex-pdf-process)))
> + (save-window-excursion
> + (cond
> + ;; A function is provided: Apply it.
> + ((functionp latex-pdf-process)
> + (funcall latex-pdf-process (shell-quote-argument texfile)))
> + ;; A list is provided: Replace %b, %f and %o with appropriate
> + ;; values in each command before applying it. Note that while
> + ;; "%latex" and "%bibtex" is used in `org-latex-pdf-process',
> + ;; they are replaced with "%L" and "%B" to adhere to
> + ;; format-spec. Output is redirected to "*Org PDF LaTeX
> + ;; Output*" buffer.
> + ((consp latex-pdf-process)
> + (let ((outbuf (and (not snippet)
> + (get-buffer-create "*Org PDF LaTeX Output*")))
> + (spec (list (cons ?B (shell-quote-argument
> org-latex-bib-compiler))
> + (cons ?L (shell-quote-argument compiler))
> + (cons ?b (shell-quote-argument base-name))
> + (cons ?f (shell-quote-argument full-name))
> + (cons ?o (shell-quote-argument out-dir)))))
> + (dolist (command latex-pdf-process)
> + (let ((c (replace-regexp-in-string
> + "%\\(latex\\|bibtex\\)\\>"
> + (lambda (str) (upcase (substring str 0 2)))
> + command)))
> + (shell-command (format-spec c spec) outbuf)))
> + ;; Collect standard errors from output buffer.
> + (setq warnings (and (not snippet)
> + (org-latex--collect-warnings outbuf)))))
> + (t (error "No valid command to process to PDF")))
> + (let ((pdffile (concat out-dir base-name ".pdf")))
> + ;; Check for process failure. Provide collected errors if
> + ;; possible.
> + (if (or (not (file-exists-p pdffile))
> + ;; Only compare times up to whole seconds as some filesystems
> + ;; (e.g. HFS+) do not retain any finer granularity.
> + (time-less-p (cl-subseq (nth 5 (file-attributes pdffile)) 0 2)
> + (cl-subseq time 0 2)))
> + ;; When compile a tex snippet, we may only need dvi file
> + (unless snippet
> + (error (format "PDF file %s wasn't produced" pdffile)))
> + ;; Else remove log files, when specified, and signal end of
> + ;; process to user, along with any error encountered.
> + (unless snippet
> + (when org-latex-remove-logfiles
> + (dolist (file (directory-files
> + out-dir t
> + (concat (regexp-quote base-name)
> + "\\(?:\\.[0-9]+\\)?"
> + "\\."
> + (regexp-opt
> org-latex-logfiles-extensions))))
> + (delete-file file)))
> + (message (concat "PDF file produced"
> + (cond
> + ((eq warnings 'error) " with errors.")
> + (warnings (concat " with warnings: " warnings))
> + (t "."))))))
> + ;; Return output file name.
> + pdffile)))))
>
> (defun org-latex--collect-warnings (buffer)
> "Collect some warnings from \"pdflatex\" command output.
> --
> 2.1.4
--
- Re: [O] (v6) [PATCH] New feature: Use dvisvgm to preview latex formular, (continued)
- Re: [O] (v6) [PATCH] New feature: Use dvisvgm to preview latex formular, tumashu, 2016/05/16
- Re: [O] (V8) [PATCH] New feature: Use dvisvgm to preview latex formular, Feng Shu, 2016/05/18
- Re: [O] (V8) [PATCH] New feature: Use dvisvgm to preview latex formular, Nicolas Goaziou, 2016/05/19
- Re: [O] (V8) [PATCH] New feature: Use dvisvgm to preview latex formular, tumashu, 2016/05/19
- Re: [O] (V8) [PATCH] New feature: Use dvisvgm to preview latex formular, Nicolas Goaziou, 2016/05/19
- Re: [O] (V9) [PATCH] New feature: Use dvisvgm to preview latex formular, Feng Shu, 2016/05/19
- Re: [O] (V9) [PATCH] New feature: Use dvisvgm to preview latex formular, Nicolas Goaziou, 2016/05/21
- Re: [O] (V9) [PATCH] New feature: Use dvisvgm to preview latex formular, Feng Shu, 2016/05/21
- Re: [O] (V9) [PATCH] New feature: Use dvisvgm to preview latex formular, Rasmus, 2016/05/21
- Re: [O] (version 4) [PATCH] New feature: Use dvisvgm to preview latex formular, Feng Shu, 2016/05/15
Re: [O] [PATCH] New feature: Use dvisvgm to preview latex formular,
Feng Shu <=