Hi,
I know quite well about the differences between embedding and
subsetting and I do have the font ready for subsetting. By scanning and
analyzing the document with iText, I also know quite well what
characters will be needed in the subsetting process.
For example,
now I have a PDF document which uses an external font, FontA for
instance, which is already installed on my computer. So, the document
looks OK, but on other computers without FontA, it is unreadable.
The
PDF document uses 10,000 characters and the FontA has 30,000 characters
available. Embedding the whole FontA is uneconomic, since the other
20,000 characters are not used by the document. Therefore, I want to
extract the needed 10,000 character data from FontA and subset them to
that PDF document. Afterward, the document is portable to
other computers which do not have FontA installed.
I just wonder
whether there's a way to extract the needed character data from the
existing font and inject them into existing PDF files.
Embedding is well explained in the book iText in Action. Could you please tell
me if there are APIs available for subsetting?
>________________________________
> From: Leonard Rosenthol <lrose...@adobe.com>
>To: WMJ <sd_...@yahoo.com>; Post all your questions about iText here
><itext-questions@lists.sourceforge.net>
>Sent: Thursday, September 6, 2012 7:33 PM
>Subject: RE: [iText-questions] How to subset fonts into an existing PDF file
>
>
>I think you are confusing EMBEDDED (where some/all of the font data lives
>inside of the PDF) with SUBSETTED (where the font is embedded BUT only part of
>it). If the fonts aren’t installed and you have problems, that EMBEDDED.
>
>So forget about subsetting, you just need to embed.
>
>And in order to do that, you will need to have the fonts and then it it’s
>fairly straightforward to embed them into a PDF.
>
>Leonard
>
>From:WMJ [mailto:sd_...@yahoo.com]
>Sent: Wednesday, September 05, 2012 11:34 PM
>To: iTextQuestions
>Subject: [iText-questions] How to subset fonts into an existing PDF file
>
>I've gotten an existing PDF file which contains fonts that is not subsetted.
>If the fonts are not installed in the system, the document can't be displayed
>correctly. I definitely know what fonts are suitable for those document. How
>can I subset those fonts into the PDF file?
>
>
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