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From Tilman Hausherr <THaush...@t-online.de>
Subject Re: pdfbox warnings
Date Mon, 06 Apr 2015 19:23:17 GMT
Am 06.04.2015 um 21:16 schrieb Eric Douglas:
> Adobe provides the AFM...
> http://www.adobe.com/devnet/font.html
> http://wwwimages.adobe.com/content/dam/Adobe/en/devnet/font/pdfs/Core14_AFMs.zip
>
> Their 14 fonts are supposed to always work on every device.
> http://www.verypdf.com/document/pdf-format-reference/pg_0416.htm

Yes, because the viewer must have the font available. I found the font 
in a very old installation of Acrobat Reader. I can't find it in the 
current one, I assume it is hidden somehow.

Tilman

>
> On Mon, Apr 6, 2015 at 12:49 PM, Peter Murray-Rust <pm286@cam.ac.uk> wrote:
>
>> [Please correct me if I'm wrong...]
>>
>> ZapfDingbats (http://en.wikipedia.org/wiki/Zapf_Dingbats ) is a
>> copyrighted
>> font. Therefore it breaks copyright to copy it without permission. Since
>> PDFBox is Open (has a distribution compatible with the Open Definition (
>> http://opendefinition.org/ ) which allows anyone to copy, modify and
>> re-use
>> it), it cannot include materials which have restrictive licences (and may
>> require purchase).
>>
>> PDFBox relies on the target OS distribution to include some of the 14
>> fonts. Since Windows doesn't have ZapfDingbats it is missing by default and
>> PDFBox cannot rectify this.
>>
>> This will also mean that anyone who has separately licensed ZapfDingbats
>> (or an equivalent with a restrictive licence) cannot include them in
>> derivative works of PDFBox.
>>
>> The problem would appear to arise from the PDF standard requiring a
>> copyrighted font.
>>
>> P.
>>
>>
>> P.
>>
>>
>> On Mon, Apr 6, 2015 at 5:31 PM, John Hewson <john@jahewson.com> wrote:
>>
>>>> On 6 Apr 2015, at 08:59, Eric Douglas <edouglas@blockhouse.com> wrote:
>>>>
>>>> ZapfDingbats should be there, shouldn't have to substitute, as you
>>>> mentioned.
>>> No, these are not the same issues. PDFBox should always be able to
>> provide
>>> ZapfDingbats but that font doesn't ship with Windows, so we need to
>>> substitute it for Windings on that platform. On the Mac this isn't a
>>> problem.
>>>
>>>> https://issues.apache.org/jira/browse/PDFBOX-1900
>>>> John Hewson
>>>> <https://issues.apache.org/jira/secure/ViewProfile.jspa?name=jahewson>
>>> added
>>>> a comment - 11/Feb/14 00:55
>>>>
>>>> This is a PDFBox bug. Zapf Dingbats is one of the standard 14 fonts
>> that
>>>> should always work without being embedded.
>>>> ‚Äč
>>>> As mentioned on that bug report, I had actually created this PDF using
>>>> iText, which doesn't appear to give any way to embed the font.
>>>> I got a rendering problem on pdfbox trying to read this PDF back in,
>>>> because this font is not embedded or installed, though Adobe renders it
>>>> just fine.
>>>> This will likely come up again someday, though I worked around this for
>>>> now, since as I mentioned this is a PDF I'm creating.  I changed this
>>>> instance to render to the Graphics using the original object I created
>> it
>>>> from instead of reading the PDF after it's created.
>>>>
>>>> I will test that ExternalFonts.addSubstitute when I get time, as
>> another
>>>> workaround.
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: users-unsubscribe@pdfbox.apache.org
>>> For additional commands, e-mail: users-help@pdfbox.apache.org
>>>
>>>
>>
>> --
>> Peter Murray-Rust
>> Reader in Molecular Informatics
>> Unilever Centre, Dep. Of Chemistry
>> University of Cambridge
>> CB2 1EW, UK
>> +44-1223-763069
>>


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