[poppler] pdftohtml : enhancing it to use embedded fonts
Leonard Rosenthol
lrosenth at adobe.com
Tue Jun 7 03:52:54 PDT 2011
The PDF standard says that there are a set of tables that are REQUIRED in the PDF - OS/2 isn't one of them.
Otherwise, everything else you saw is correct.
Leonard
-----Original Message-----
From: poppler-bounces+leonardr=adobe.com at lists.freedesktop.org [mailto:poppler-bounces+leonardr=adobe.com at lists.freedesktop.org] On Behalf Of suzuki toshiya
Sent: Tuesday, June 07, 2011 4:14 AM
To: poppler at lists.freedesktop.org
Subject: Re: [poppler] pdftohtml : enhancing it to use embedded fonts
I guess, what Leonard said would be: Type42 font format does not require to preserve "OS/2" table, so PDF or Type42 embedded font cannot convey the permission info. Although PDF is new technology and I wish if it can hold such info, the lack of such info in
Type42 is reasonable, because it might have been designed when most TrueType didn't have OS/2 table.
I will check if there is more appropriate way to convey the info.
Albert Astals Cid wrote:
> A Tuesday, June 07, 2011, Leonard Rosenthol va escriure:
>> If the flags are there, you can use them - the problem is that many
>> PDF creators remove them :(.
>
> If the flags are not there, it means we are allowed to use the font, right?
> The specification says so.
>
> I wonder why all that font copyright holders are not sueing those many
> PDF creators that strip the protection from their files.
>
> Albert
>
>
>
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