[OS X TeX] Distiller

[Gerben Wierda]

On 29 Jan 2006, at 14:24, Siep Kroonenberg wrote:

> On Sun, Jan 29, 2006 at 11:41:13AM +0100, Gerben Wierda wrote:
>> On 28 Jan 2006, at 22:14, Maarten Sneep wrote:
>>
>>> If you need the bounding box respected _and_ access to TeX fonts,
>>> you need epstopdf, unless the eps specifies the bounding box at the
>>> end of the file. Then you need to jump through hoops to get the
>>> conversion correct (I would advise to avoid tools that produce such
>>> output if possible).
>>
>> If someone sends me a recursive EPS with (atend) (that is, an EPS
>> which itself has the Bbox atend and which uses %%BeginDocument
>> inclusion of another EPS which has atend) I would like to try to see
>> if an idea that I have works.
>>
>> G
>
> Actually, I am writing a gui tool written in ruby/tk which should
> handle eps/ps/pdf conversions, using ghostscript and optionally the
> xpdf utilities.
>
> I hesitate to mention it here, since I am a slow worker, and OS X
> users are not the primary target. Nevertheless, I try to make it as
> portable as possible.
>
> ========= (Non-techies: close your eyes) ===============
>
> As to the mess of line endings:
>
> I read the entire eps file in one go, and split the string according
> to /\r?\n|\n/ and parse all resulting strings. If I see a
> %%BoundingBox: (atend) string then I scan from the end.
>
> I fix the boundingbox in the usual way. Ghostscript gets
> successively fed the fix, the eps file (which must be preview-less)
> and a parameter `-c grestore'.
>
> Of course, this algorithm will choke on very large eps files which
> might still be manageable in a purely line-by-line way.

Which exactly is why I had to abandon that approach. My first rewrite  
of epstopdf was along those "read in one go".

G
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