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

From: Carsten Dominik <dominik@science.uva.nl>
To: Sebastian Rose <sebastian_rose@gmx.de>
Cc: emacs-orgmode@gnu.org
Subject: Re: Export ascii-images using ditaa when targeting HTML?
Date: Wed, 12 Nov 2008 16:59:42 +0100	[thread overview]
Message-ID: <1BA2B74F-75F6-4176-A3D3-7CCD672B7520@uva.nl> (raw)
In-Reply-To: <874p2dgid4.fsf@kassiopeya.MSHEIMNETZ>

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" <schulte.eric@gmail.com> 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 <xmfrw8002@sneakemail.com> 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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>>
>>
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>
> -- 
> Sebastian Rose, EMMA STIL - mediendesign, Niemeyerstr.6, 30449  
> Hannover
>
> Tel.:  +49 (0)511 - 36 58 472
> Fax:   +49 (0)1805 - 233633 - 11044
> mobil: +49 (0)173 - 83 93 417
> Email: s.rose emma-stil de, sebastian_rose gmx de
> Http:  www.emma-stil.de
>
>
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