Re: [Orgmode] Export ascii-images using ditaa when targeting HTML?

[Carsten Dominik]

On Nov 12, 2008, at 2:54 PM, Sebastian Rose wrote:

> Hi Eric,
>
>
> this is - hey - WOWEEEEEE, GREAT!
>
>
> But I ran into to problems:
>
> * Background color
>
>  The background of the resulting images is black, and I don't know how
>  to change that. Black lines on black background... I tried with
>  leading colons and without.
>
>  ditaa has no option to adjust the background color, but if I use  
> ditaa
>  from the commandline, the background color is white.

For what it is worth, I have no problems with the background, it is  
white all right.  Maybe it is transparent?

- Carsten

> * Existing images
>
>  If the image already exists in the target directory of the export,  
> org
>  refuses to overwrite it. Is there an option somewhere I should  
> adjust?
>  I don't think it's a general problem in org-export, since I never
>  ecnountered this error.
>
>
>
>
> Thanks for org-exp-blocks.el!!
>
>
> Best,
>
>   Sebastian
>
>
>
> "Eric Schulte" <address@hidden> writes:
>
> > Hi Mac,
> >
> > That's an interesting utility.
> >
> > I have been working on an org-mode add-on for the specialized  
> > processing
> > of #+begin_* blocks.  Since this is very similar to the need you
> > expressed below, I implemented ditaa processing as one of the  
> > examples
> > in the initial implementation of this add-on.
> >
> > If you want to grab the org-exp-block.el file from
> >
> > http://github.com/eschulte/org-contrib/tree/master/org-exp-blocks.el
> >
> > you can use it to export ditaa blocks to images when exporting an org
> > file to html.  There are instruction in the top of the elisp file,
> > mainly you just need to load the file, and set `ditaa-jar-path' to  
> > the
> > path to ditaa.jar on your system.  Then if you setup a block like the
> > following
> >
> > #+begin_ditaa blue.png -r -S
> > +---------+
> > | cBLU    |
> > |         |
> > |    +----+
> > |    |cPNK|
> > |    |    |
> > +----+----+
> > #+end_ditaa
> >
> > The ascii inside the block will be exported to an image in blue.png
> > passing any following options as command line options to ditaa.jar.
> >
> > Hope this is helpful.
> >
> > Cheers -- Eric
> >
> > Mac <address@hidden> writes:
> >
> > > I would like to convert my ASCII-images inside my document.org  
> > > before exporting
> > > the document to HTML.
> > >
> > > I've found this converter, ditaa, which is a java program that  
> > > takes an ASCII
> > > text file and creates a png file (http://ditaa.sourceforge.net/).
> > >
> > > I intend to find my ASCII figure, save it as a separate text file,  
> > > and run ditaa
> > > on it. In my document.org I'll comment the ASCII-art so it won't  
> > > be exported and
> > > add a link so the image will be included in the html file.
> > >
> > > [[file:figure_1.png]]
> > > #+BEGIN_COMMENT
> > >                 V,mA
> > >                  |
> > >               +-----+
> > >               |40140|
> > >               +-----+
> > >                  |
> > >                  |    +----+
> > >              +--------|4561|----------> PC
> > >              |        +----+
> > >           +----+
> > >           |4060|
> > >           +----+
> > >              |
> > >           Relay Out
> > > #+END_COMMENT
> > >
> > > Before reinventing the wheel, anyone done anything similar, or  
> > > have ideas?
> > >
> > >
> > >
> > >
> > > _______________________________________________
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> > > http://lists.gnu.org/mailman/listinfo/emacs-orgmode
> >
> >
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>
> --
> Sebastian Rose, EMMA STIL - mediendesign, Niemeyerstr.6, 30449  
> Hannover
>
> Tel.:  +49 (0)511 - 36 58 472
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> Email: s.rose emma-stil de, sebastian_rose gmx de
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>
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